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Mathematics — talks (attended)

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Joint Mathematics Meeting ‘25. Seattle, WA Jan 7–11.

The Joint Mathematics Meetings (JMM) is a mathematics conference hosted annually in early January by the American Mathematical Society (AMS). Frequently, several other national mathematics organizations also participate. The meeting is the largest gathering of mathematicians in the United States, and the largest annual meeting of mathematicians in the world. Several thousand talks, panels, minicourses, and poster sessions are held each year. This year I attended the following talks.

Invited Speakers

• AMS Colloquium Lecture - Svetlana Jitomirskaya, UC, Berkeley
  Part I. Quantum mechanics meets arithmetics. The ten martini problem.
  Part II. Quantitative global theory, dual Lyapunov exponents, and robust spectral results.
  Part III. Small denominators without KAM. Robust arithmetic Spectral transitions.
  

• von Neumann Lecture - Lester Mackey, Stanford University
  Stein’s Method, Learning, and Inference

• AMS Erdős Lecture for Students - Kristin E. Lauter, Meta AI
  AI for Cryptography

• AMS Invited Address - Mohammed Abouzaid, Stanford University
  One Hundred Years of Morse Theory

• MAA-SIAM-AMS Hrabowski-Gates-Tapia-McBay Lecture - Victor Moll, Tulane Univ.
  Integral Tales: Some Unexpected Connections

• NAM Claytor-Woodard Lecture - Tai-Danae Bradley, SandboxAQ
  Structure in Language: A Category Theoretical Perspective

• JPBM Communications Award Lecture - Eugenia Cheng, Art Institute of Chicago
  Math, Art, Social Justice

• ASL Invited Address - Theodore Allen Slaman, University of California, Berkeley
  Extending Borel’s Conjecture from Measure to Dimension

Special Sessions

• AMS Special Session on New Trends in Lie Theory and Mathematical Physics
  Supersymmetric W-algebras and Free Field Realization
  Extending the Lax type operator for finite W-algebras

• AMS Special Session on Random Walks on Graphs and Related Parameters
  Some spectral properties of the non-backtracking matrix of a graph
  Defective eigenvalues of the non-backtracking matrix
  Multiphase Markov Chains
  On the last new vertex visited by a random walk in a directed graph
  Random walking on a graph and on its complement

• AMS Special Session on Extremal Combinatorics and Random Discrete Structures
  On Off-Diagonal F-Ramsey numbers
  On the number of P-free set families for tree posets P
  Extremal problems for given order and generalizations of independence numbers
  Gale duality in Hilbert spaces

• AMS Special Session on Local-to-Global in Apollonian Circle Packings and Beyond
  Spectral decomposition and Siegel-Veech transforms for strata: The case of marked tori
  Local obstructions in prime components of Apollonian circle packings
  Prime components in Apollonian circle packings
  Some perspectives on Local-Global problems

• AMS Current Events Bulletin
  Apollonian packings: the rise and fall of the local to global conjecture
  Floer cohomology and invariants of singularities
  Finding Arithmetic Progressions in Dense Sets of Integers

Stanford University, Math Department Talks

February

• DEPARTMENT COLLOQUIUM — Mehtaab Sawhney (Columbia)
  Improved Bounds for Szemerédi's Theorem

  

March

• LECTURES — David Jerison (MIT)
  How Curved are Level Sets of Eigenfunctions?

  

• BERGMAN LECTURE — Allan Sly (Princeton)
  Spatial shuffling: Large Cycles in the Interchange ​Process in dimension 5

  

• BERGMAN LECTURE — Allan Sly (Princeton)
  Stochastic Blocks Models: Detection and Recovery

  

• PROBABILITY — Youngtak Sohn (Brown)
  Stochastic block model with many communities

  

April

• ANALYSIS — Yuefong Song (Stanford)
  Fluids I

  

May

• REPRESENTATION THEORY — Kenta Suzuki (MIT)
  Fargues' categorical conjecture for elliptic parameters for SL(n)

  

• NUMBER THEORY — Keerthi Madapusi (Boston College)
  A new approach to p-Hecke correspondences and Rapoport-Zink spaces

  

• ANALYTIC NUMBER THEORY — Jori Merikoski (Oxford)
  On primes represented by aX²+bY³

  

• KIDDIE COLLOQUIUM — Romain Speciel (Stanford)
  Quergodicity

  

• FACULTY AREA RESEARCH (FARS) — Sarah Peluse (Stanford)
  Finding multidimensional configurations in subsets of the integer grid

  

• NUMBER THEORY — Tongmu He (Princeton)
  Pointwise perfectoidness of Shimura varieties at infinite level

  

• PROBABILITY — Gabor Lugosi (Pompeu Fabra University)
  Paths and cliques in random temporal graphs

  

• KIDDIE COLLOQUIUM — Stepan Kazanin (Stanford)
  Classification Theorems

  

• DISTINGUISHED LECTURE — Martin Bridson (University of Oxford)
  Profinite rigidity: Chasing finite shadows of infinite groups through geometry

  

• PROBABILITY — Zhenyuan Zhang (Stanford)
  On the first passage times of spatial branching processes

  

• NUMBER THEORY — Kiseok Yeon (UC Davis)
  On forms in many variables of different degrees

  

• KIDDIE COLLOQUIUM — Shintaro Fushida-Hardy (Stanford)
  Introduction to Pencil Puzzles

  

• DEPARTMENT COLLOQUIUM — Joshua Zahl (UBC)
  The Kakeya set conjecture in three dimensions

  

• TOPOLOGY — Scotty Tilton (UCSD)
  Exotic Diffeomorphisms: A Conversation Between Equivariant Stable Homotopy and Spin Four-Manifolds

  

• ANALYTIC NUMBER THEORY — Carlo Pagano (Concordia University)
  2-descent in polynomial twist families

  

• COMBINATORICS — Richard Stanley (MIT & Miami)
  Some combinatorial applications of cyclotomic polynomials

  

• DEPARTMENT COLLOQUIUM — Carlo Pagano (Concordia University)
  Hilbert's 10th problem via additive combinatorics

  

• FACULTY AREA RESEARCH (FARS) — Jan Vondrak (Stanford)
  The "core" conjecture for approval-based elections

  

June

• NUMBER THEORY — David Zywina (Cornell)
  There are infinitely many elliptic curves over the rationals of rank 2

  

• PROBABILITY — Chun Yin Siu (Stanford Psychiatry)
  Random topology: The topology of preferential attachment graphs

  

• KIDDIE COLLOQUIUM — Milo Marsden (Stanford University)
  Eigenvalues of Wigner Matrices: A dip into Random Matrix Theory

  

• REPRESENTATION THEORY — Jeremy Taylor (UC Berkeley)
  The universal monodromic Bezrukavnikov equivalence

  

• DEPARTMENT COLLOQUIUM — Aravind Asok (USC)
  Constructing projective modules

  

MAA MathFest 2025. Sacramento, CA Aug 6–9.

• Martin Gardner Lecture — Persi Diaconis, Stanford University
  The Magic of Charles Sanders Peirce

  

Stanford University, Math Department Talks

September

• PROBABILITY — Volodymyr Riabov (IST, Austria)
  The Zigzag strategy for random band matrices

  

• SYMPLECTIC GEOMETRY — Anastasiia Sharipova (Stanford)
  Outer billiards and symplectic geometry

  

• TOPOLOGY — Daren Chen (Caltech)
  Two-component L-space links, satellites, and the tau-invariant

  

• ANALYTIC NUMBER THEORY — Lasse Grimmelt (Cambridge)
  The divisor function along arithmetic progressions

  

• NUMBER THEORY — Jared Duker Lichtman (Stanford)
  The abc conjecture almost always

  

• PROBABILITY — Izumi Okada (University of Tokyo)
  Favorite sites for simple random walk in two and more dimensions

  

• TOPOLOGY — Mona Merling (UPenn)
  Equivariant algebraic K-theory of G-manifolds

  

October

• STUDENT ANALYTIC NUMBER THEORY — Nathan Tung (Stanford)
  A new lower bound for Szemerédi's theorem with random differences in finite fields

  

• STUDENT ALGEBRAIC GEOMETRY — Ben Church (Stanford)
  Abelian schemes and elliptic curves over Z

  

• COMBINATORICS — Maria-Romina Ivan (Stanford)
  Poset Saturation - From the Diamond to the General Case

  

• NUMBER THEORY — Shengtong Zhang (Stanford)
  Chowla’s cosine problem through spectral graph theory

  

• TOPOLOGY — John Chae (Caltech)
  Knot complements, series invariants and Lie superalgebra

  

• STUDENT ANALYTIC NUMBER THEORY — Zi Li Lim (UCLA)
  Rational function progressions

  

• COMBINATORICS — Tara Abrishami (Stanford)
  Beyond chordal graphs

  

• BERGMAN LECTURE — Yanir Rubinstein (University of Maryland, Stanford)
  Invitation to Geometry via Mahler's Conjectures: a mathematical opera in three acts

  

• NUMBER THEORY — Mark Kisin (Harvard)
  Reductions of crystalline representations

  

• SYMPLECTIC GEOMETRY — Phil Morrison (UT Austin)
  Flows on metriplectic manifolds

  

• STUDENT ANALYTIC NUMBER THEORY — Tim Santens (Cambridge)
  Local solubility of generalised Fermat equations

  

• BERGMAN LECTURE — Yanir Rubinstein (University of Maryland, Stanford)
  Invitation to Geometry via Mahler's Conjectures: a mathematical opera in three acts

  

• GEOMETRY — Riccardo Caniato (Caltech)
  Area rigidity for the regular representation of surface groups

  

• NUMBER THEORY — Ben Church (Stanford)
  Shioda's conjecture on unirationality

  

• SYMPLECTIC GEOMETRY — Giovanni Ambrosioni (ETH)
  Approximability for Lagrangian submanifolds

  

• COMBINATORICS — Freddie Manners (UCSD)
  Marton's Conjecture, aka the Polynomial Freiman--Ruzsa conjecture

  

• BERGMAN LECTURE — Yanir Rubinstein (University of Maryland, Stanford)
  Invitation to Geometry via Mahler's Conjectures: a mathematical opera in three acts

  

• KIDDIE COLLOQUIUM — Carl Schildkraut (Stanford University)
  Some peculiar p-groups and what they can do

  

• COMBINATORICS — Persi Diaconis (Stanford)
  On sampling from an urn, without replacement

  

• KIDDIE COLLOQUIUM — Daniel Kim (Stanford University)
  How the government tries to █████████████

  

• STUDENT ANALYTIC NUMBER THEORY — Dor Minzer (MIT)
  On inverse theorems, constraint satisfaction problems and combinatorial lines

  

• COMBINATORICS — Zach Hunter (ETH Zurich)
  Improved lower bounds for multicolor van der Waerden numbers

  

• NUMBER THEORY — Brian Conrad, Stanford University
  Finite subgroups of matrix groups over infinite fields

  

• MODEL THEORY — Jacob Tsimerman, IAS/University of Toronto
  The Ax–Grothendieck theorem: a gentle introduction to Model Theory