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Block subspace expansions for eigenvalues and eigenvectors approximation
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2024
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Francisco Arrieta Zuccalli
Pedro Massey
Demetrio Stojanoff
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+
PDF
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Norm inequalities for the spectral spread of Hermitian operators
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2023
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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Optimal (α,d)-multi-completion of d-designs
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2022
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María José Benac
Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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Ergodic theorem in CAT(0) spaces in terms of inductive means
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2022
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Jorge Antezana
Eduardo Ghiglioni
Demetrio Stojanoff
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PDF
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The spectral spread of Hermitian matrices
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2021
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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PDF
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Absolute Variation of Ritz Values, Principal Angles, and Spectral Spread
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2021
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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Norm inequalities for the spectral spread of Hermitian operators
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2021
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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Absolute variation of Ritz values, principal angles and spectral spread
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2020
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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Spectral spread of Hermitian matrices
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2020
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
PDF
Chat
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Optimal frame designs for multitasking devices with weight restrictions
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2020
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María José Benac
Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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PDF
Chat
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Majorization Bounds for Ritz Values of Self-Adjoint Matrices
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2020
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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Absolute variation of Ritz values, principal angles and spectral spread
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2020
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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The spectral spread of Hermitian matrices
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2020
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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Minimal curves in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mi mathvariant="script">U</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>n</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.svg"><mml:mi mathvariant="script">G</mml:mi><mml:mi>l</mml:mi><mml:msup><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:mi>n</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mrow><mml:mo…
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2019
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Jorge Antezana
Eduardo Ghiglioni
Demetrio Stojanoff
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Minimal curves in U(n) and Gl(n)+ with respect to the spectral and the trace norms
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2019
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Jorge Antezana
Eduardo Ghiglioni
Demetrio Stojanoff
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+
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Generalized frame operator distance problems
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2019
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
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Majorization bounds for Ritz values of Rayleigh quotients of self-adjoint matrices
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2019
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Pedro Massey
Demetrio Stojanoff
Sebastián Zárate
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+
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Minimal curves in U(n) and Gl(n)+ with respect to the spectral and the trace norms
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2019
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Jorge Antezana
Eduardo Ghiglioni
Demetrio Stojanoff
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+
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Generalized frame operator distance problems.
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2018
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
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Local Lidskii's theorems for unitarily invariant norms
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2018
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
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Local Lidskii's theorems for unitarily invariant norms
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2018
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
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Ergodic theorem in Hadamard spaces in terms of inductive means
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2018
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Jorge Antezana
Eduardo Ghiglioni
Demetrio Stojanoff
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+
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Generalized frame operator distance problems
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2018
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
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Local Lidskii's theorems for unitarily invariant norms
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2018
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
PDF
Chat
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Frame completions with prescribed norms: local minimizers and applications
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2017
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
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Frame completions with prescribed norms: local minimizers and applications
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2016
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
PDF
Chat
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Frames of translates with prescribed fine structure in shift invariant spaces
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2016
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María José Benac
Pedro Massey
Demetrio Stojanoff
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PDF
Chat
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Convex Potentials and Optimal Shift Generated Oblique Duals in Shift Invariant Spaces
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2016
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
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Frame completions with prescribed norms: local minimizers and applications
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2016
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Pedro Massey
Noelia B. Rios
Demetrio Stojanoff
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+
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Frames of translates with prescribed fine structure in shift invariant spaces
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2015
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
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Aliasing and oblique dual pair designs for consistent sampling
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2015
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
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Convex potentials and optimal shift generated oblique duals in shift invariant spaces
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2015
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
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Convex potentials and optimal shift generated oblique duals in shift invariant spaces
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2015
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
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Frames of translates with prescribed fine structure in shift invariant spaces
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2015
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
PDF
Chat
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Multiplicative Lidskii's inequalities and optimal perturbations of frames
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2014
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Aliasing and oblique dual pair designs for consistent sampling
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2014
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
PDF
Chat
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Optimal Frame Completions with Prescribed Norms for Majorization
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2014
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Multiplicative Lidskii's inequalities and optimal perturbations of frames
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2014
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
PDF
Chat
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Optimal frame completions
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2014
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Aliasing and oblique dual pair designs for consistent sampling
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2014
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María José Benac
Pedro Massey
Demetrio Stojanoff
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+
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Multiplicative Lidskii's inequalities and optimal perturbations of frames
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2014
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Optimal frame completions with prescribed norms for majorization
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2013
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Optimal frame completions with prescribed norms for majorization
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2013
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
|
+
PDF
Chat
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Optimal dual frames and frame completions for majorization
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2012
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Pedro Massey
M.A. Ruiz
Demetrio Stojanoff
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+
PDF
Chat
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Robust Dual Reconstruction Systems and Fusion Frames
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2012
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Optimal completions of a frame
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2012
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Robust dual reconstruction systems and fusion frames
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2011
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Duality in reconstruction systems
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2011
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Optimal dual frames and frame completions for majorization
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2011
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Optimal dual frames and frame completions for majorization
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2011
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Robust dual reconstruction systems and fusion frames
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2011
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Pedro Massey
M. Ruíz
Demetrio Stojanoff
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+
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The iterated Aluthge transforms of a matrix converge
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2010
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
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+
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Duality in reconstruction systems
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2010
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Duality in reconstruction systems
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2010
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
PDF
Chat
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The Structure of Minimizers of the Frame Potential on Fusion Frames
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2009
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
PDF
Chat
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Convergence of the Iterated Aluthge Transform Sequence for Diagonalizable Matrices II: λ-Aluthge Transform
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2008
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
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+
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Minimizers of the fusion frame potential
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2008
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Iterated Aluthge transforms: a brief survey
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2008
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
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+
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Some properties of frames of subspaces obtained by operator theory methods
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2008
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Mariano Ruiz
Demetrio Stojanoff
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+
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The structure of minimizers of the frame potential on fusion frames
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2008
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Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Frames of subspaces and operators
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2007
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Mariano Ruiz
Demetrio Stojanoff
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+
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Convergence of iterated Aluthge transform sequence for diagonalizable matrices II: $\lambda$-Aluthge transform
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2007
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
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+
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Convergence of the iterated Aluthge transform sequence for diagonalizable matrices
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2007
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
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+
PDF
Chat
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The Schur-Horn theorem for operators and frames with prescribed norms and frame operator
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2007
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Jorge Antezana
Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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The iterated Aluthge transforms of a matrix converge
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2007
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
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+
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Frames of subspaces and operators
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2007
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Mariano Ruiz
Demetrio Stojanoff
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+
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Convergence of iterated Aluthge transform sequence for diagonalizable matrices II: $λ$-Aluthge transform
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2007
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
|
+
PDF
Chat
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Jensen's inequality for spectral order and submajorization
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2006
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Jorge Antezana
Pedro Massey
Demetrio Stojanoff
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+
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Convergence of iterated Aluthge transform sequence for diagonalizable matrices
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2006
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Jorge Antezana
Enrique Pujals
Demetrio Stojanoff
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+
PDF
Chat
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Bilateral shorted operators and parallel sums
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2005
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Jorge Antezana
Gustavo Corach
Demetrio Stojanoff
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+
PDF
Chat
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Spectral Shorted Operators
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2005
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Jorge Antezana
Gustavo Corach
Demetrio Stojanoff
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+
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Projections in operator ranges
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2005
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
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+
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Some operator inequalities for unitarily invariant norms
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2005
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Cristina Cano
Irene Mosconi
Demetrio Stojanoff
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+
PDF
Chat
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λ-Aluthge transforms and Schatten ideals
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2005
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Jorge Antezana
Pedro Massey
Demetrio Stojanoff
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+
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Weighted projections and Riesz frames
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2005
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Jorge Antezana
Gustavo Corach
Mariano Ruiz
Demetrio Stojanoff
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+
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A classification of projectors
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2005
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
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+
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The Schur-Horn theorem for operators and frames with prescribed norms and frame operator
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2005
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Jorge Antezana
Pedro Massey
Mariano Ruiz
Demetrio Stojanoff
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+
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Bilateral Shorted Operators and Parallel Sums
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2005
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Jorge Antezana
Gustavo Corach
Demetrio Stojanoff
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+
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Projections in operator ranges
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2005
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
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+
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Geometry of epimorphisms and frames
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2004
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Gustavo Corach
Miriam Pacheco
Demetrio Stojanoff
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+
PDF
Chat
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Spectral shorted matrices
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2004
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Jorge Antezana
Gustavo Corach
Demetrio Stojanoff
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+
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Jensen's Inequality and majorization
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2004
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Jorge Antezana
Pedro Massey
Demetrio Stojanoff
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+
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Spectral shorted operators
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2004
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Jorge Antezana
Gustavo Corach
Demetrio Stojanoff
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+
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Weighted projections and Riesz frames
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2004
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Jorge Antezana
Gustavo Corach
Mariano Ruiz
Demetrio Stojanoff
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+
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Generalized Schur complements and P-complementable operators
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2003
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Pedro Massey
Demetrio Stojanoff
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+
PDF
Chat
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Nilpotents in Finite Algebras
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2003
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Esteban Andruchow
Demetrio Stojanoff
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+
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Oblique Projections and Abstract Splines
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2002
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
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+
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Generalized Schur complements and oblique projections
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2002
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
|
+
PDF
Chat
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PROJECTIVE SPACE OF A C<sup>*</sup>-MODULE
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2001
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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Index of Hadamard multiplication by positive matrices II
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2001
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Gustavo Corach
Demetrio Stojanoff
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+
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Generalized orthogonal projections and shorted operators
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2001
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
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+
PDF
Chat
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Orbits of conditional expectations
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2001
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M. Argerami
Demetrio Stojanoff
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+
PDF
Chat
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Projective spaces of aC *-algebra
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2000
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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Oblique projections and Schur complements
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2000
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
|
+
PDF
Chat
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Polar decomposition under perturbations of the scalar product
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2000
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
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+
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Geometry of oblique projections
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1999
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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Geometry of the sphere of a Hilbert module
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1999
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
PDF
Chat
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The Weyl group and the normalizer of a conditional expectation
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1999
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M. Argerami
Demetrio Stojanoff
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+
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Index of Hadamard multiplication by positive matrices
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1999
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Demetrio Stojanoff
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+
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Geometry of oblique projections
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1999
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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Polar decomposition under perturbations of the scalar product
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1999
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Gustavo Corach
Alejandra Maestripieri
Demetrio Stojanoff
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+
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I Integral Equations and Operator Theory
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1999
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M. Argerami
Demetrio Stojanoff
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+
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Projective spaces of a C*-algebra
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1999
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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Index of Hadamard multiplication by positive matrices II
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1999
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Gustavo Corach
Demetrio Stojanoff
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+
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Projective space of a C*-module
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1999
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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Orbits of conditional expectations
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1999
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M. Argerami
Demetrio Stojanoff
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+
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ON HEINZ INEQUALITY
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1997
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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Geometric operator inequalities
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1997
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Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
PDF
Chat
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Infinite dimensional homogeneous reductive spaces and finite index conditional expectations
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1997
|
Esteban Andruchow
Angel Larotonda
Lázaro Recht
Demetrio Stojanoff
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+
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A Geometric Characterization of Nuclearity and Injectivity
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1995
|
Esteban Andruchow
Gustavo Corach
Demetrio Stojanoff
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+
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GEOMETRY OF CONDITIONAL EXPECTATIONS AND FINITE INDEX
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1994
|
Esteban Andruchow
Demetrio Stojanoff
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+
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The space of spectral measures is a homogeneous reductive space
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1993
|
Esteban Andruchow
Lázaro Recht
Demetrio Stojanoff
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+
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Joint similarity orbits with local cross sections
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1990
|
Esteban Andruchow
Lawrence A. Fialkow
Domingo A. Herrero
Marta B. Pecuch-Herrero
Demetrio Stojanoff
|