# All events

## Monday, April 1, 2019

### Combinatorics Seminar: Cluster algebras and factorization

Seminar | April 1 | 12:10-1 p.m. | 939 Evans Hall

### Berkeley Statistics and Machine Learning Forum

Meeting | April 1 | 1:30-2:30 p.m. | 1011 Evans Hall

### String-Math Seminar: Quantum Toroidal Algebras, Screenings and 3D Theories

Seminar | April 1 | 2-3 p.m. | 402 LeConte Hall

### Northern California Symplectic Geometry Seminar: Symplectic structures in derived algebraic geometry

Seminar | April 1 | 2:30-3:30 p.m. | 740 Evans Hall

### Arithmetic Geometry and Number Theory RTG Seminar: Dwork Crystals and Related Congruences

Seminar | April 1 | 3-5 p.m. | 891 Evans Hall | Note change in location

### Differential Geometry Seminar: Collapsed Manifolds With Ricci Curvature and Local Rewinding Volume Bounded Below

Seminar | April 1 | 3:10-4 p.m. | 939 Evans Hall

### Northern California Symplectic Geometry Seminar: Subleading asymptotics of ECH capacities

Seminar | April 1 | 4-5 p.m. | 740 Evans Hall

### Analysis and PDE Seminar: The pointwise convergence problem for the free Schrödinger equation

Seminar | April 1 | 4:10-5 p.m. | 748 Evans Hall

## Tuesday, April 2, 2019

### Seminar 217, Risk Management: Robust Experimentation in the Continuous Time Bandit Problem

Seminar | April 2 | 11 a.m.-12:30 p.m. | 1011 Evans Hall

### Student Harmonic Analysis and PDE Seminar (HADES): Real polynomials and the Fourier extension operator

Seminar | April 2 | 3:40-5 p.m. | 740 Evans Hall

### 3-Manifold Seminar: Hyperbolic 4-manifolds with trivial Seiberg-Witten invariants

Seminar | April 2 | 3:40-5 p.m. | 736 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Quadratic Gorenstein rings and the Koszul property

Seminar | April 2 | 3:45-4:45 p.m. | 939 Evans Hall

### Tajima coalescent

Seminar | April 2 | 4-5 p.m. | 141 McCone Hall

### Representation Theory and Mathematical Physics Seminar: Matrix Orthogonal Polynomials and Representation Theory

Seminar | April 2 | 4-5 p.m. | 748 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Equivariant completions of toric varieties and their degenerations

Seminar | April 2 | 5-6 p.m. | 939 Evans Hall | Canceled

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Equivariant completions for degenerations of toric varieties

Seminar | April 2 | 5-6 p.m. | 939 Evans Hall

## Wednesday, April 3, 2019

### Topology Seminar (Introductory Talk): Compactification of moduli spaces and point collision

Seminar | April 3 | 2-3 p.m. | 740 Evans Hall

### Deformation Theory Seminar: The LG/CY correspondence

Seminar | April 3 | 2:30-3:30 p.m. | Mathematical Sciences Research Institute, Baker Room

### Grace-like polynomials and related questions

Seminar | April 3 | 3-4 p.m. | 1011 Evans Hall

### Number Theory Seminar: Absolute Hodge cycles on abelian varieties of CM-type III

Seminar | April 3 | 3:40-5 p.m. | 748 Evans Hall

### Topology Seminar (Main Talk): Constant curvature conical metrics

Seminar | April 3 | 4-5 p.m. | 3 Evans Hall

## Thursday, April 4, 2019

### Applied Math Seminar: Surveillance-evasion games under uncertainty

Seminar | April 4 | 11 a.m.-12 p.m. | 891 Evans Hall

### Statistical and Computational Challenges in Conformational Biology

Seminar | April 4 | 4-5 p.m. | 1011 Evans Hall

## Friday, April 5, 2019

### 'Information and Uncertainty in Data Science' Discussion Forum

Meeting | April 5 | 11 a.m.-12 p.m. | 190B Doe Library

### Student Probability/PDE Seminar: Lipschitz Minorants of Lévy Processes

Seminar | April 5 | 2:10-3:30 p.m. | 891 Evans Hall

### Special Quantum Geometry Seminar: There and back again: from the Borsuk-Ulam theorem to quantum spaces

Seminar | April 5 | 2:10-3 p.m. | 740 Evans Hall

### Deformation Theory Seminar: Superpotentials in Mirror Symmetry

Seminar | April 5 | 3-4:20 p.m. | Mathematical Sciences Research Institute, Baker Room

### Logic Colloquium: Uniform bounds in Number Theory via Model Theory

Colloquium | April 5 | 4-5 p.m. | 60 Evans Hall

### Student 3-Manifold Seminar: Haken hierarchies

Seminar | April 5 | 4:10-5:30 p.m. | 939 Evans Hall

## Monday, April 8, 2019

### Probabilistic Operator Algebra Seminar: Monotone Increment Processes

Seminar | April 8 | 2 a.m.-4 p.m. | 736 Evans Hall

### Combinatorics Seminar: An insertion algorithm on multiset partitions

Seminar | April 8 | 12:10-1 p.m. | 939 Evans Hall

### Arithmetic Geometry and Number Theory RTG Seminar: Bloch–Kato conjecture for some Rankin-Selberg motives

Seminar | April 8 | 3-5 p.m. | 748 Evans Hall

### Differential Geometry Seminar: Existence and compactness theory for ALE scalar-flat Kähler surfaces

Seminar | April 8 | 3:10-4 p.m. | 939 Evans Hall

### David Morton — Models and Algorithms for Multi-stage Stochastic Programming

Seminar | April 8 | 3:30-4:30 p.m. | 1174 Etcheverry Hall

### Analysis and PDE Seminar: Rough control for Schrödinger operators on 2-tori

Seminar | April 8 | 4:10-5 p.m. | 740 Evans Hall | Note change in date

## Tuesday, April 9, 2019

### Seminar 217, Risk Management: No Seminar

Seminar | April 9 | 11 a.m.-12:30 p.m. | 1011 Evans Hall | Canceled

### Student Harmonic Analysis and PDE Seminar (HADES): Microlocal methods in hyperbolic dynamics

Seminar | April 9 | 3:40-5 p.m. | 740 Evans Hall

### 3-Manifold Seminar: Seiberg-Witten Invariants and Hyperbolic Manifolds (continued)

Seminar | April 9 | 3:40-5 p.m. | 736 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Tropical commutative algebra

Seminar | April 9 | 3:45-4:45 p.m. | 939 Evans Hall

### Representation Theory and Mathematical Physics Seminar: Spherical Supervarieties

Seminar | April 9 | 4-5 p.m. | 748 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: The Priddy Koszul complex and resolution of the residue field of a local ring

Seminar | April 9 | 5-6 p.m. | 939 Evans Hall

## Wednesday, April 10, 2019

### Harmonic Analysis Seminar: On multilinear oscillatory integral operator inequalities

Seminar | April 10 | 1:10-2 p.m. | 736 Evans Hall

### Topology Seminar (Introductory Talk): Virtual homological eigenvalues of surface automorphisms (Part I)

Seminar | April 10 | 2-3 p.m. | 740 Evans Hall

### Deformation Theory Seminar: Curved deformations and generators in DG categories

Seminar | April 10 | 2:30-3:50 p.m. | Mathematical Sciences Research Institute, Baker Room

### Bigeodesics in first and last passage percolation

Seminar | April 10 | 3-4 p.m. | 1011 Evans Hall

### BIDS Data Science Lecture: Do as eye do: efficient content-adaptive processing and storage of large fluorescence images

Lecture | April 10 | 3:10-4 p.m. | 190 Doe Library

### Number Theory Seminar: Distribution of Farey fractions

Seminar | April 10 | 3:40-4:40 p.m. | 748 Evans Hall

### Renewable Estimation and Incremental Inference in Generalized Linear Models with Streaming Data

Seminar | April 10 | 4-5 p.m. | 1011 Evans Hall

### Representation Theory and Mathematical Physics Seminar: New action-angle variables on coadjoint orbits

Seminar | April 10 | 4-5 p.m. | 939 Evans Hall

### Topology Seminar (Main Talk): Virtual homological eigenvalues of surface automorphisms (Part II)

Seminar | April 10 | 4-5 p.m. | 3 Evans Hall

## Thursday, April 11, 2019

### Mathematics Department Colloquium: Integer points on affine cubic surfaces

Colloquium | April 11 | 4:10-5 p.m. | 60 Evans Hall

## Friday, April 12, 2019

### Bay Area Microlocal Analysis Seminar: Schrödinger equations with conormal potentials

Seminar | April 12 | 2:10-3 p.m. | 740 Evans Hall

### Student Probability/PDE Seminar: Rate of Convergence of Stochastic Homogenization of Hamilton-Jacobi Equations via Metric Problem

Seminar | April 12 | 2:10-3:30 p.m. | 891 Evans Hall

### Bay Area Microlocal Analysis Seminar: The inverse spectral problem for strictly convex domains

Seminar | April 12 | 4:10-5 p.m. | 740 Evans Hall

## Monday, April 15, 2019

### Combinatorics Seminar: Dehn-Sommerville Equations for Eulerian Cubical Complexes

Seminar | April 15 | 12:10-1 p.m. | 939 Evans Hall

### Berkeley Statistics and Machine Learning Forum

Meeting | April 15 | 1:30-2:30 p.m. | 1011 Evans Hall

### Probabilistic Operator Algebra Seminar: Free products of finite-dimensional von Neumann algebras in terms of free Araki-Woods factors

Seminar | April 15 | 2-4 p.m. | 736 Evans Hall

### Arithmetic Geometry and Number Theory RTG Seminar: Serre-Tate theory for Calabi-Yau varieties

Seminar | April 15 | 3-5 p.m. | 748 Evans Hall

### Differential Geometry Seminar: The Anomaly flow

Seminar | April 15 | 3:10-4 p.m. | 939 Evans Hall

### Analysis and PDE Seminar: Global existence of small amplitude solutions for a model quadratic quasilinear wave-Klein-Gordon system in 2D

Seminar | April 15 | 4:10-5 p.m. | 740 Evans Hall

## Tuesday, April 16, 2019

### Seminar 217, Risk Management: Linking 10-K and the GICS - through Experiments of Text Classification and Clustering

Seminar | April 16 | 11 a.m.-12:30 p.m. | 1011 Evans Hall

### Probabilistic Operator Algebra Seminar: The Waring and Other Problems for Noncommutative Polynomials

Seminar | April 16 | 12:30-2 p.m. | 748 Evans Hall

### Student Harmonic Analysis and PDE Seminar (HADES): Bases in Banach Lattices

Seminar | April 16 | 3:40-5 p.m. | 740 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Regularity, singularities and h-vector of graded algebras

Seminar | April 16 | 3:45-4:45 p.m. | 939 Evans Hall

### Representation Theory and Mathematical Physics Seminar: Field Equations, Homotopy Gerstenhaber Algebras and Courant Algebroids

Seminar | April 16 | 4-5 p.m. | 748 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: On the tangent space to the Hilbert scheme of points in $P^3$

Seminar | April 16 | 5-6 p.m. | 939 Evans Hall

## Wednesday, April 17, 2019

### Harmonic Analysis Seminar: An oscillatory integral inequality (concluded) and Decoupling (initiated)

Seminar | April 17 | 1:10-2 p.m. | 736 Evans Hall

### Topology Seminar (Introductory Talk): Surface dynamics via three-dimensional contact geometry

Seminar | April 17 | 2:10-3 p.m. | 740 Evans Hall

### Deformation Theory Seminar: Framed Formal Curves

Seminar | April 17 | 2:30-3:50 p.m. | Mathematical Sciences Research Institute, Baker Room

### Conformal embedding and percolation on the uniform triangulation

Seminar | April 17 | 3-4 p.m. | 1011 Evans Hall

### Number Theory Seminar: Absolute Hodge cycles on general abelian varieties

Seminar | April 17 | 3:40-5 p.m. | 748 Evans Hall

### From correlation to causation — measuring ad effectiveness at scale

Seminar | April 17 | 4-5 p.m. | 1011 Evans Hall

### Topology Seminar (Main Talk): Mean action of periodic orbits of area-preserving annulus diffeomorphisms

Seminar | April 17 | 4:10-5 p.m. | 3 Evans Hall

## Thursday, April 18, 2019

### Paris/Berkeley/Bonn/Zürich Analysis Seminar: On the stability of black holes

Seminar | April 18 | 9:10-10 a.m. | 238 Sutardja Dai Hall

### BIDS Data Science Lecture: Astrophysical Machine Learning

Lecture | April 18 | 2:30-3:30 p.m. | 190 Doe Library

### Mathematics Department Colloquium/Serge Lang Undergraduate Lecture: Distinguishing shapes via topology

Lecture | April 18 | 4:10-5 p.m. | 60 Evans Hall

## Friday, April 19, 2019

### 'Information and Uncertainty in Data Science' Discussion Forum

Meeting | April 19 | 11 a.m.-12 p.m. | 190B Doe Library

### Seminar: A scattering diagram for semistable sheaves on the projective plane

Seminar | April 19 | 11:10 a.m.-12 p.m. | 939 Evans Hall

### Student Probability/PDE Seminar: Rate of Convergence of Stochastic Homogenization of Hamilton-Jacobi Equations via Metric Problem II

Seminar | April 19 | 2:10-3:30 p.m. | 891 Evans Hall

### Student Arithmetic Geometry Seminar: Neron-Severi groups under specialization

Seminar | April 19 | 4:10-5 p.m. | 891 Evans Hall

### Student 3-Manifold Seminar: Knot and link complements

Seminar | April 19 | 4:10-5:30 p.m. | 939 Evans Hall

## Monday, April 22, 2019

### Combinatorics Seminar: Real-rooted h*-polynomials

Seminar | April 22 | 12:10-1 p.m. | 939 Evans Hall

### Probabilistic Operator Algebra Seminar: Matrix-valued measures in perturbation theory

Seminar | April 22 | 2-4 p.m. | 736 Evans Hall

### String-Math Seminar: Mathematical hints of 3-d mirror symmetry

Seminar | April 22 | 2-3 p.m. | 402 LeConte Hall

### Arithmetic Geometry and Number Theory RTG Seminar: F-isocrystals with logarithmic decay, slope filtrations, and monodromy

Seminar | April 22 | 3-5 p.m. | 748 Evans Hall

### Differential Geometry Seminar: Classification of Nahm Pole Solutions to the KW Equations on $S^1\times \Sigma \times \mathbb R^+$

Seminar | April 22 | 3:10-4 p.m. | 939 Evans Hall

### Tarski Lecture: A formal proof of the Kepler conjecture

Lecture | April 22 | 4-5 p.m. | 4 LeConte Hall

### Analysis and PDE Seminar: The nonlinear stability of the Schwarzschild family of black holes

Seminar | April 22 | 4:10-5 p.m. | 740 Evans Hall

## Tuesday, April 23, 2019

### Seminar 217, Risk Management: CANCELLED

Seminar | April 23 | 11 a.m.-12:30 p.m. | 1011 Evans Hall

### Student Harmonic Analysis and PDE Seminar (HADES): Weak-strong uniqueness for multiphase mean curvature flow

Seminar | April 23 | 3:40-5 p.m. | 740 Evans Hall

### 3-Manifold Seminar: RFRS for congruence covers

Seminar | April 23 | 3:40-5 p.m. | 736 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Felix Klein, Galois Theory, and the Icosahedron

Seminar | April 23 | 3:45-4:45 p.m. | 939 Evans Hall

### Representation Theory and Mathematical Physics Seminar: Matroids, Schur algebras and category O

Seminar | April 23 | 4-5 p.m. | 748 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Indecomposable rank two bundles on Pn

Seminar | April 23 | 5-6 p.m. | 939 Evans Hall

## Wednesday, April 24, 2019

### Harmonic Analysis Seminar: A Decoupling Inequality

Seminar | April 24 | 1:10-2 p.m. | 736 Evans Hall

### Topology Seminar (Introductory Talk): Khovanov homology

Seminar | April 24 | 2:10-3 p.m. | 740 Evans Hall

### Deformation Theory Seminar: Geometry of superpotentials in massive $1+1$ dimensional Landau-Ginzburg theories

Seminar | April 24 | 2:30-3:50 p.m. | Mathematical Sciences Research Institute, Baker Room

### The topologies of random real algebraic hypersufaces

Seminar | April 24 | 3-4 p.m. | 1011 Evans Hall

### Representation Theory and Mathematical Physics Seminar: Globalization of Split AKSZ Sigma Models in the BV-BFV Formalism

Seminar | April 24 | 3-4 p.m. | 736 Evans Hall

### Topology Seminar (Main Talk): Khovanov homotopy type

Seminar | April 24 | 3:10-4 p.m. | 740 Evans Hall | Note change in time and location

### Number Theory Seminar: Algebraicity of values of the Gamma function I

Seminar | April 24 | 3:40-5 p.m. | 748 Evans Hall

### Tarski Lecture: Formalizing mathematics

Lecture | April 24 | 4-5 p.m. | 4 LeConte Hall