Ludovico Pernazza

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All published works

Action	Title	Year	Authors
+	Extended Vuza Canons	2022	Greta Lanzarotto Ludovico Pernazza
+ PDF Chat	A SAT Encoding to Compute Aperiodic Tiling Rhythmic Canons	2022	Gennaro Auricchio Luca Ferrarini Stefano Gualandi Greta Lanzarotto Ludovico Pernazza
+ PDF Chat	A SAT Encoding to Compute Aperiodic Tiling Rhythmic Canons	2021	Gennaro Auricchio Luca Ferrarini Stefano Gualandi Greta Lanzarotto Ludovico Pernazza
+	A SAT Encoding to Compute Aperiodic Tiling Rhythmic Canons	2021	Gennaro Auricchio Luca Ferrarini Stefano Gualandi Greta Lanzarotto Ludovico Pernazza
+	On the regularity of the roots of a polynomial depending on one real parameter	2017	Ferruccio Colombini Nicola Orrú Ludovico Pernazza
+	On the Group of Transformations of Classical Types of Seventh Chords	2017	Sonia Cannas Samuele Antonini Ludovico Pernazza
+	On the regularity of the roots of hyperbolic polynomials	2012	Ferruccio Colombini Nicola Orrú Ludovico Pernazza
+	In primo piano: Il teorema di Brouwer e primi assaggi di topologia	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	In primo piano: Poligoni, poliedri, perplessità e topologia	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	In primo piano: Grafi planari	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	Risposte: finitezza, strategia,... topologia!	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	Giochi e percorsi matematici	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	In primo piano: Continuità di funzioni	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	Altri esercizi	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	Risposte: Giochi combinatori finiti e la ‘mossa rubata’	2012	Emanuele Delucchi Giovanni Gaiffi Ludovico Pernazza
+	Some well-posed Cauchy problem for second order hyperbolic equations with two independent variables	2011	Ferruccio Colombini Tatsuo Nishitani Nicola Orrú Ludovico Pernazza
+ PDF Chat	On square roots of class Cm of nonnegative functions of one variable	2010	Jean-Michel Bony Ferruccio Colombini Ludovico Pernazza
+	Local solvability for a class of evolution equations	2010	Ferruccio Colombini Paulo D. Cordaro Ludovico Pernazza
+ PDF Chat	On square roots of class Cm of nonnegative functions of one variable.	2010	Jean-Michel Bony Ferruccio Colombini Ludovico Pernazza
+	On the differentiability class of the admissible square roots of regular nonnegative functions	2006	Jean-Michel Bony Ferruccio Colombini Ludovico Pernazza
+	Nonnegative functions as squares or sums of squares	2005	Jean-Michel Bony Fabrizio Broglia Ferruccio Colombini Ludovico Pernazza
+	Algebraic and analytic finite spaces of orderings	2003	Ludovico Pernazza
+	An Artin-Lang property for germs of C∞ functions	2002	Fabrizio Broglia Ludovico Pernazza
+	Decidability of the separation problem in dimension 2	1995	Ludovico Pernazza

Common Coauthors

Coauthor	Papers Together
Ferruccio Colombini	8
Giovanni Gaiffi	8
Emanuele Delucchi	5
Jean-Michel Bony	4
Greta Lanzarotto	4
Emanuele Delucchi	3
Gennaro Auricchio	3
Nicola Orrú	3
Luca Ferrarini	3
Fabrizio Broglia	2
Stefano Gualandi	2
Stefano Gualandi	1
Sonia Cannas	1
Samuele Antonini	1
Paulo D. Cordaro	1
Tatsuo Nishitani	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+ PDF Chat	Choosing roots of polynomials smoothly, II	2004	Andreas Kriegl Mark Losik Peter W. Michor	4
+ PDF Chat	Choosing roots of polynomials smoothly	1998	Dmitri V. Alekseevsky Andreas Kriegl Peter W. Michor Mark Losik	4
+ PDF Chat	Racine carrée d'une fonction différentiable	1963	Georges Glaeser	3
+ PDF Chat	Sommes de carrés de fonctions dérivables	2005	Jean-Michel Bony	3
+	Nonnegative functions as squares or sums of squares	2005	Jean-Michel Bony Fabrizio Broglia Ferruccio Colombini Ludovico Pernazza	3
+	Constructible Sets in Real Geometry	1996	Carlos Andradas Ludwig Bröcker Jesús M. Ruíz	3
+	Géométrie algébrique réelle	1987	Jacek Bochnak Michel Coste M-F Roy	2
+ PDF Chat	Algorithms for translational tiling	2009	Mihail N. Kolountzakis Máté Matolcsi	2
+	Supplementary Sets and Regular Complementary Unending Canons (Part One)	1991	Dan Tudor Vuza	2
+	On positivity of pseudo-differential operators	1978	Charles Fefferman D. H. Phong	2
+ PDF Chat	New perspectives on rhythmic canons and the spectral conjecture	2009	Emmanuel Amiot	2
+	The analysis of linear partial differential operators	1990	Lars Hörmander	2
+	The Analysis of Linear Partial Differential Operators III	2007	Lars Hörmander	2
+	On the differentiability class of the admissible square roots of regular nonnegative functions	2006	Jean-Michel Bony Ferruccio Colombini Ludovico Pernazza	2
+	On the factorisation of finite abelian groups. III	1974	A. D. Sands	1
+	Advanced Modern Algebra	2015	Joseph Rotman	1
+ PDF Chat	An example of a weakly hyperbolic Cauchy problem not well posed in C∞	1982	Ferruccio Colombini Sergio Spagnolo	1
+	Sur le problème de factorisation des groupes cycliques	1950	G. Hajós	1
+	Artin-Lang property for analytic manifolds of dimension two	1994	Ana Castilla	1
+ PDF Chat	On the Cauchy problem for finitely degenerate hyperbolic equations of second order	2000	Ferruccio Colombini Haruhisa Ishida Nicola Orrú	1
+	Some Aspects of Three-Dimensional "Tonnetze"	1998	Edward Gollin	1
+	Approximation in Compact Nash Manifolds	1995	Michel Coste Jesús M. Ruíz Masahiro Shiota	1
+	Extremal positive semidefinite forms	1977	Man-Duen Choi T. Y. Lam	1
+	Algebraic and analytic geometry of fans	1995	Carlos Andradas Jesús M. Ruíz	1
+	On local solvability of linear partial differential equations part I: Necessary conditions	1970	Louis Nirenberg François Trèves	1
+	Tiling the Integers with Translates of One Finite Set	1999	Ethan M. Coven Aaron Meyerowitz	1
+	The cauchy problem for weakly hyperbolic equations of second order	1980	Tatsuo Nishitani	1
+	Distributions de signes	1991	Elisabetta Fortuna	1
+ PDF Chat	Classification of Finite Spaces of Orderings	1979	Murray Marshall	1
+ PDF Chat	The Witt ring of a space of orderings	1980	Murray Marshall	1
+	Ein Beitrag zum Problem der Faktorisation von endlichen Abelschen Gruppen	1950	L. Rédei	1
+	An algorithmic criterion for basicness in dimension 2	1994	Francesca Acquistapace Fabrizio Broglia M. Pilar Vélez	1
+	On hypoellipticity of second order operators	1976	Richard Beals Charles Fefferman	1
+	Über die Darstellung definiter Formen als Summe von Formenquadraten	1933	David Hilbert	1
+	An unsolvable hypoelliptic differential operator	1971	Yakar Kannai	1
+	Smoothness of roots of polynomials depending on parameters	1980	Michael D. Bronshtein	1
+	Hyperbolic Equations with Non-analytic Coefficients	2006	Tamotu Kinoshita Sergio Spagnolo	1
+	On the approximation property of excellent rings	1987	Christel Rotthaus	1
+	A nullstellensatz and a positivstellensatz in semialgebraic geometry	1974	Gilbert Stengle	1
+	A note on a separation problem	1984	Jes�s M. Ruiz	1
+	Éléments de géométrie algébrique	1964	Alexandre Grothendieck	1
+	Supplementary Sets and Regular Complementary Unending Canons (Part Three)	1992	Dan Tudor Vuza	1
+ PDF Chat	Remarks on hyperbolic polynomials	1986	Seiichiro Wakabayashi	1
+ PDF Chat	Idéaux de fonctions différentiables. II	1970	Jean-Claude Tougeron Jean Merrien	1
+ PDF Chat	A Note on Hyperbolic Polynomials.	1968	Wim Nuij	1
+ PDF Chat	When is a Distribution of Signs Locally Completable?	1994	Francesca Acquistapace Fabrizio Broglia Elisabetta Fortuna	1
+ PDF Chat	Approximation of $C^\infty$-functions without changing their zero-set	1989	Fabrizio Broglia Alberto Tognoli	1
+	An Example in the Solvability Theory of Linear PDE's	1974	Antonio Gilloli François Trèves	1
+ PDF Chat	Quotients and Inverse Limits of Spaces of Orderings	1979	Murray Marshall	1
+ PDF Chat	Sur les fonctions différentiables et les ensembles analytiques	1963	Bernard Malgrange	1