Alex Kontorovich

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All published works
Action Title Year Authors
+ PDF Chat Sign changes along geodesics of modular forms 2024 Dubi Kelmer
Alex Kontorovich
Christopher Lutsko
+ PDF Chat On the Local-Global Conjecture for Combinatorial Period Lengths of Closed Billiards on the Regular Pentagon 2024 Alex Kontorovich
Xin Zhang
+ Norm bounds on Eisenstein series 2024 Dubi Kelmer
Alex Kontorovich
Christopher Lutsko
+ Effective Counting in Sphere Packings 2024 Alex Kontorovich
Christopher Lutsko
+ Counting in Lattice Orbits 2024 Alex Kontorovich
Christopher Lutsko
+ Sarnak’s spectral gap question 2023 Dubi Kelmer
Alex Kontorovich
Christopher Lutsko
+ On length sets of subarithmetic hyperbolic manifolds 2023 Alex Kontorovich
Xin Zhang
+ PDF Chat Kleinian sphere packings, reflection groups, and arithmeticity 2023 Nikolay Bogachev
A. G. Kolpakov
Alex Kontorovich
+ PDF On superintegral Kleinian sphere packings, bugs, and arithmetic groups 2023 Michael Kapovich
Alex Kontorovich
+ List of problems on discrete subgroups of Lie groups and their computational aspects 2023 Michael Kapovich
A. S. Detinko
Alex Kontorovich
+ Mean square of Eisenstein series 2023 Dubi Kelmer
Alex Kontorovich
Christopher Lutsko
+ Remarks on the $\mathbb{Z}/p$ Dijkgraaf-Witten invariants of 3D mapping tori 2023 William Chen
Alex Kontorovich
Shehryar Sikander
+ Notes on a Path to AI Assistance in Mathematical Reasoning 2023 Alex Kontorovich
+ Arbeitsgemeinschaft: Thin Groups and Super-approximation 2022 Alireza Salehi Golsefidy
Alex Kontorovich
Hee Oh
+ On Length Sets of Subarithmetic Hyperbolic Manifolds 2022 Alex Kontorovich
Xin Zhang
+ Kleinian sphere packings, reflection groups, and arithmeticity 2022 Nikolay Bogachev
A. G. Kolpakov
Alex Kontorovich
+ Effective counting in sphere packings 2022 Alex Kontorovich
Christopher Lutsko
+ Sarnak's spectral gap question 2022 Dubi Kelmer
Alex Kontorovich
Christopher Lutsko
+ On Superintegral Kleinian Sphere Packings, Bugs, and Arithmetic Groups 2021 Michael Kapovich
Alex Kontorovich
+ PDF Chat Efficiently Constructing Tangent Circles 2020 Arthur Baragar
Alex Kontorovich
+ PDF Chat Beyond expansion, III: Reciprocal geodesics 2019 Jean Bourgain
Alex Kontorovich
+ PDF Exponents for the equidistribution of shears and applications 2019 Dubi Kelmer
Alex Kontorovich
+ PDF Chat On Toric Orbits in the Affine Sieve 2019 Alex Kontorovich
Jeffrey C. Lagarias
+ WHAT IS...a Thin Group? 2019 Alex Kontorovich
D. D. Long
Alexander Lubotzky
Alan W. Reid
+ PDF The local-global principle for integral Soddy sphere packings 2019 Alex Kontorovich
+ PDF Geometry and arithmetic of crystallographic sphere packings 2018 Alex Kontorovich
Kei Nakamura
+ What Is... A Thin Group 2018 Alex Kontorovich
D. D. Long
Alexander Lubotzky
Alan W. Reid
+ On Toric Orbits in the Affine Sieve. 2018 Alex Kontorovich
Jeff Lagarias
+ PDF Beyond Expansion IV: Traces of Thin Semigroups 2018 Jean Bourgain
Alex Kontorovich
+ Exponents for the Equidistribution of Shears and Applications 2018 Dubi Kelmer
Alex Kontorovich
+ On Toric Orbits in the Affine Sieve 2018 Alex Kontorovich
Jeff Lagarias
+ What Is... A Thin Group? 2018 Alex Kontorovich
D. Darren Long
Alexander Lubotzky
Alan W. Reid
+ Exponents for the Equidistribution of Shears and Applications 2018 Dubi Kelmer
Alex Kontorovich
+ PDF Chat Effective equidistribution of shears and applications 2017 Dubi Kelmer
Alex Kontorovich
+ Efficiently constructing tangent circles 2017 Arthur Baragar
Alex Kontorovich
+ PDF Chat Beyond expansion II: low-lying fundamental geodesics 2017 Jean Bourgain
Alex Kontorovich
+ Geometry and Arithmetic of Crystallographic Sphere Packings 2017 Alex Kontorovich
Kei Nakamura
+ Efficiently constructing tangent circles 2017 Arthur Baragar
Alex Kontorovich
+ PDF Chat Applications of Thin Orbits 2016 Alex Kontorovich
+ Schubert calculus and torsion explosion 2016 Geordie Williamson
Alex Kontorovich
Peter J. McNamara
+ Applications of Thin Orbits 2016 Alex Kontorovich
+ PDF Chat Almost prime coordinates for anisotropic and thin pythagorean orbits 2015 Jiuzu Hong
Alex Kontorovich
+ Effective equidistribution of shears and applications 2015 Dubi Kelmer
Alex Kontorovich
+ PDF Chat On the pair correlation density for hyperbolic angles 2015 Dubi Kelmer
Alex Kontorovich
+ Thermodynamic expansion to arbitrary moduli 2015 Jean Bourgain
Alex Kontorovich
Michael Magee
+ Effective equidistribution of shears and applications 2015 Dubi Kelmer
Alex Kontorovich
+ PDF Levels of Distribution and the Affine Sieve 2014 Alex Kontorovich
+ The Affine Sieve Beyond Expansion I: Thin Hypotenuses: Fig. 1. 2014 Jean Bourgain
Alex Kontorovich
+ Beyond Expansion II: Low-Lying Fundamental Geodesics 2014 Jean Bourgain
Alex Kontorovich
+ Levels of Distribution and the Affine Sieve 2014 Alex Kontorovich
+ PDF On Zaremba's conjecture 2014 Jean Bourgain
Alex Kontorovich
+ PDF Bounding hyperbolic and spherical coefficients of Maass forms 2014 Valentin Blomer
Farrell Brumley
Alex Kontorovich
Nicolas Templier
+ Almost Prime Coordinates for Anisotropic and Thin Pythagorean Orbits 2014 Jiuzu Hong
Alex Kontorovich
+ Levels of Distribution and the Affine Sieve 2014 Alex Kontorovich
+ Beyond Expansion II: Low-Lying Fundamental Geodesics 2014 Jean Bourgain
Alex Kontorovich
+ Beyond Expansion IV: Traces of Thin Semigroups 2013 Jean Bourgain
Alex Kontorovich
+ PDF Chat On the local-global conjecture for integral Apollonian gaskets 2013 Jean Bourgain
Alex Kontorovich
+ Alex Kontorovich - Diophantine problems in thin orbits 2013 Alex Kontorovich
Fanny Bastien
Vanille Beaumont
+ PDF From Apollonius to Zaremba: Local-global phenomena in thin orbits 2013 Alex Kontorovich
+ The Affine Sieve Beyond Expansion I: Thin Hypotenuses 2013 Jean Bourgain
Alex Kontorovich
+ Beyond Expansion IV: Traces of Thin Semigroups 2013 Jean Bourgain
Alex Kontorovich
+ The Local-Global Principle for Integral Soddy Sphere Packings 2012 Alex Kontorovich
+ From Apollonius To Zaremba: Local-Global Phenomena in Thin Orbits 2012 Alex Kontorovich
+ On the Local-Global Conjecture for integral Apollonian gaskets 2012 Jean Bourgain
Alex Kontorovich
+ On the Strong Density Conjecture for Integral Apollonian Circle Packings 2012 Jean Bourgain
Alex Kontorovich
+ On the GL(3) Kuznetsov Formula with applications to Symmetry Types of families of $L$-functions 2012 Dorian Goldfeld
Alex Kontorovich
+ On Trace Sets of Restricted Continued Fraction Semigroups 2012 Alex Kontorovich
+ A Pseudo Twin Primes Theorem 2012 Alex Kontorovich
+ PDF On the determination of the Plancherel measure for Lebedev–Whittaker transforms on \mathop GL(n) 2012 Dorian Goldfeld
Alex Kontorovich
+ From Apollonius To Zaremba: Local-Global Phenomena in Thin Orbits 2012 Alex Kontorovich
+ The Local-Global Principle for Integral Soddy Sphere Packings 2012 Alex Kontorovich
+ On the Local-Global Conjecture for integral Apollonian gaskets 2012 Jean Bourgain
Alex Kontorovich
+ On the GL(3) Kuznetsov Formula with applications to Symmetry Types of families of $L$-functions 2012 Dorian Goldfeld
Alex Kontorovich
+ PDF Chat Almost prime Pythagorean triples in thin orbits 2011 Alex Kontorovich
Hee Oh
+ On A Conjecture of Zaremba's 2011 Jean Bourgain
Alex Kontorovich
+ On Zarembaʼs conjecture 2011 Jean Bourgain
Alex Kontorovich
+ Apollonian circle packings and closed horospheres on hyperbolic 3-manifolds 2011 Alex Kontorovich
Hee Oh
+ On the Determination of the Plancherel measure for Lebedev-Whittaker transforms on GL(n) 2011 Dorian Goldfeld
Alex Kontorovich
+ On Zaremba's Conjecture 2011 Jean Bourgain
Alex Kontorovich
+ On Zaremba's Conjecture 2011 Jean Bourgain
Alex Kontorovich
+ PDF Erratum to: On Representations of Integers in Thin Subgroups of $${{\rm {SL}}_2(\mathbb {Z})}$$ 2010 Jean Bourgain
Alex Kontorovich
+ PDF Chat Sector Estimates for Hyperbolic Isometries 2010 Jean Bourgain
Alex Kontorovich
Peter Sarnak
+ On Representations of Integers in Thin Subgroups of $${{\rm SL}_2({\mathbb {Z}})}$$ 2010 Jean Bourgain
Alex Kontorovich
+ PDF On a theorem of Friedlander and Iwaniec 2010 Jean Bourgain
Alex Kontorovich
+ The first non-vanishing quadratic twist of an automorphic L-series 2010 Jeffrey Hoffstein
Alex Kontorovich
+ On a Theorem of Friedlander and Iwaniec 2010 Jean Bourgain
Alex Kontorovich
+ Sector estimates for hyperbolic isometries 2010 Jean Bourgain
Alex Kontorovich
Peter Sarnak
+ Almost prime Pythagorean triples in thin orbits 2010 Alex Kontorovich
Hee Oh
+ On representations of integers in thin subgroups of SL(2,Z) 2010 Jean Bourgain
Alex Kontorovich
+ The first non-vanishing quadratic twist of an automorphic L-series 2010 Jeffrey Hoffstein
Alex Kontorovich
+ On a Theorem of Friedlander and Iwaniec 2010 Jean Bourgain
Alex Kontorovich
+ Almost prime Pythagorean triples in thin orbits 2010 Alex Kontorovich
Hee Oh
+ Sector estimates for hyperbolic isometries 2010 Jean Bourgain
Alex Kontorovich
Peter Sarnak
+ PDF Chat The Dirichlet series for the exterior square L-function on GL(n) 2009 Alex Kontorovich
+ PDF Chat The hyperbolic lattice point count in infinite volume with applications to sieves 2009 Alex Kontorovich
+ Stochastic Models for the 3x+1 and 5x+1 Problems 2009 Alex Kontorovich
Jeffrey C. Lagarias
+ The Dirichlet Series for the Exterior Square $L$-function on GL(n) 2009 Alex Kontorovich
+ Apollonian circle packings and closed horospheres on hyperbolic 3-manifolds 2008 Alex Kontorovich
Hee Oh
+ Apollonian circle packings and Horospherical flows on hyperbolic 3-manifolds 2008 Alex Kontorovich
Hee Oh
+ Apollonian circle packings and closed horospheres on hyperbolic 3-manifolds 2008 Alex Kontorovich
Hee Oh
+ PDF Chat Quadratic addition rules for quantum integers 2006 Alex Kontorovich
Melvyn B. Nathanson
+ Structure Theorem for (d,g,h)-Maps 2006 Alex Kontorovich
Yakov G. Sinai
+ The Prime Number Theorem on the Nose 2005 Alex Kontorovich
+ Quadratic addition rules for quantum integers 2005 Alex Kontorovich
Melvyn B. Nathanson
+ Arbitrarily Long Arithmetic Progressions of Primes on the Nose 2005 Alex Kontorovich
+ PDF Benford's law, values of L-functions and the 3x+1 problem 2005 Alex Kontorovich
Steven J. Miller
+ Quadratic addition rules for quantum integers 2005 Alex Kontorovich
Melvyn B. Nathanson
+ A Pseduo-Twin Primes Theorem 2005 Alex Kontorovich
+ PDF Chat Structure Theorem for (d, g, h)-Maps 2002 Alex Kontorovich
Ya. G. Sinaĭ
Common Coauthors
Commonly Cited References
Action Title Year Authors # of times referenced
+ PDF Affine linear sieve, expanders, and sum-product 2009 Jean Bourgain
Alex Gamburd
Peter Sarnak
29
+ The Asymptotic Distribution of Lattice Points in Euclidean and Non-Euclidean Spaces 1982 Peter D. Lax
Ralph S. Phillips
21
+ PDF The limit set of a Fuchsian group 1976 S. J. Patterson
21
+ Sieving and expanders⁎⁎The first author was supported in part by NSF grant DMS-0322370. The second author was supported in part by NSF grant DMS-0111298 and DMS-0501245. The third author was supported in part by Oscar Veblen Fund (IAS) and the NSF. 2006 Jean Bourgain
Alex Gamburd
Peter Sarnak
18
+ PDF From Apollonius to Zaremba: Local-global phenomena in thin orbits 2013 Alex Kontorovich
17
+ PDF Uniform expansion bounds for Cayley graphs of SL<sub>2</sub>(𝔽<sub>p</sub>) 2008 Jean Bourgain
Alex Gamburd
15
+ PDF Chat The hyperbolic lattice point count in infinite volume with applications to sieves 2009 Alex Kontorovich
15
+ On Representations of Integers in Thin Subgroups of $${{\rm SL}_2({\mathbb {Z}})}$$ 2010 Jean Bourgain
Alex Kontorovich
15
+ PDF Chat Sector Estimates for Hyperbolic Isometries 2010 Jean Bourgain
Alex Kontorovich
Peter Sarnak
14
+ The asymptotic distribution of lattice points in Euclidean and non-Euclidean spaces 1982 Peter D. Lax
Ralph S. Phillips
14
+ PDF On Zaremba's conjecture 2014 Jean Bourgain
Alex Kontorovich
13
+ PDF Generalization of Selberg’s $ \frac{3}{{16}} $ theorem and affine sieve 2011 Jean Bourgain
Alex Gamburd
Peter Sarnak
12
+ Congruence Properties of Zariski-Dense Subgroups I 1984 Christopher R. Matthews
L. N. Vaserstein
Boris Weisfeiler
12
+ PDF Entropy, Hausdorff measures old and new, and limit sets of geometrically finite Kleinian groups 1984 Dennis Sullivan
12
+ PDF Chat Apollonian circle packings: number theory 2003 Ronald Graham
Jeffrey C. Lagarias
Colin L. Mallows
Allan R. Wilks
Catherine H. Yan
12
+ PDF Chat On the local-global conjecture for integral Apollonian gaskets 2013 Jean Bourgain
Alex Kontorovich
11
+ PDF Mixing, counting, and equidistribution in Lie groups 1993 Alex Eskin
Curt McMullen
11
+ The distribution of badly approximable numbers and continuants with bounded digits 1989 Doug Hensley
10
+ PDF Chat Almost prime Pythagorean triples in thin orbits 2011 Alex Kontorovich
Hee Oh
10
+ Almost-primes represented by quadratic polynomials 1978 Henryk Iwaniec
9
+ PDF The Bowl of Integers and the Hexlet 1937 Frederick Soddy
9
+ Continued fraction Cantor sets, Hausdorff dimension, and functional analysis 1992 Doug Hensley
9
+ PDF Chat Beyond the Descartes Circle Theorem 2002 Jeffrey C. Lagarias
Colin L. Mallows
Allan R. Wilks
8
+ On the spectral gap for infinite index “congruence” subgroups of SL2(Z) 2002 Alex Gamburd
8
+ PDF Levels of Distribution and the Affine Sieve 2014 Alex Kontorovich
8
+ PDF Apollonian Circle Packings: Geometry and Group Theory I. The Apollonian Group 2005 Ronald Graham
Jeffrey C. Lagarias
Colin L. Mallows
Allan R. Wilks
Catherine H. Yan
8
+ Rational Quadratic Forms 1982 J. W. S. Cassels
8
+ Functoriality for the exterior square of 𝐺𝐿₄ and the symmetric fourth of 𝐺𝐿₂ 2002 Henry Kim
7
+ PDF Some Experiments with Integral Apollonian Circle Packings 2011 Elena Fuchs
Katherine Sanden
7
+ PDF Chat Expansion in perfect groups 2012 Alireza Salehi Golsefidy
Péter P. Varjú
7
+ Analytic Number Theory 2004 Emmanuel Kowalski
Henryk Iwaniec
7
+ Apollonian circle packings and closed horospheres on hyperbolic 3-manifolds 2011 Alex Kontorovich
Hee Oh
7
+ Analytic Number Theory 2004 Henryk Iwaniec
Emmanuel Kowalski
7
+ Fields of large transcendence degree generated by values of elliptic functions 1983 David Masser
G. Wüstholz
6
+ PDF Chat Approximate Subgroups of Linear Groups 2011 Emmanuel Breuillard
Ben Green
Terence Tao
6
+ PDF Expanding maps on Cantor sets and analytic continuation of zeta functions 2005 Frédéric Naud
6
+ The Affine Sieve Beyond Expansion I: Thin Hypotenuses 2013 Jean Bourgain
Alex Kontorovich
6
+ Integral points on quadrics in three variables whose coordinates have few prime factors 2010 Jianya Liu
Peter Sarnak
6
+ Asymptotic behavior of periodic orbits of the horocycle flow and eisenstein series 1981 Peter Sarnak
6
+ A Polynomial Time Algorithm for the Hausdorff Dimension of Continued Fraction Cantor Sets 1996 Douglas Hensley
6
+ PDF Expander graphs in pure and applied mathematics 2011 Alexander Lubotzky
6
+ A proof of the positive density conjecture for integer Apollonian circle packings 2011 Jean Bourgain
Elena Fuchs
6
+ PDF Growth and generation in SL<sub>2</sub>(ℤ∕pℤ) 2008 H. A. Helfgott
6
+ Almost prime Pythagorean triples in thin orbits 2010 Alex Kontorovich
Hee Oh
5
+ PDF Uniformly Diophantine numbers in a fixed real quadratic field 2009 Curtis T. McMullen
5
+ Bounds for multiplicities of automorphic representations 1991 Peter Sarnak
Xiaoxi Xue
5
+ The laplacian operator on a Riemann surface, III 1976 S. J. Patterson
5
+ PDF Sparse equidistribution problems, period bounds and subconvexity 2010 Akshay Venkatesh
5
+ PDF Chat Applications of Thin Orbits 2016 Alex Kontorovich
5
+ The fractional dimensional theory of continued fractions 1941 I. J. Good
5