# All events

## Monday, October 16, 2017

### Combinatorics Seminar: Zamolodchikov periodicity and integrability

Seminar | October 16 | 12-1 p.m. | 939 Evans Hall

### Differential Geometry Seminar: Collapsing hyperkähler manifolds

Seminar | October 16 | 1-2 p.m. | 891 Evans Hall

### String-Math Seminar: Betti Geometric Langlands

Seminar | October 16 | 2-3 p.m. | 402 LeConte Hall

### BLISS Seminar: Kannan-Lovasz-Simonovitz Conjecture

Seminar | October 16 | 3-4 p.m. | 540 Cory Hall

### Arithmetic Geometry and Number Theory RTG Seminar: Odd degree number fields with odd class number

Seminar | October 16 | 3:10-5 p.m. | 891 Evans Hall

### Philip Protter - Issues of Incomplete Markets

Seminar | October 16 | 3:30-5 p.m. | 3108 Etcheverry Hall

### Special Topology Seminar: Something more to say about Dehn’s lemma

Seminar | October 16 | 4:10-5 p.m. | 732 Evans Hall | Canceled

### Analysis and PDE Seminar: Fractal uncertainty for transfer operators

Seminar | October 16 | 4:10-5 p.m. | 740 Evans Hall

## Tuesday, October 17, 2017

### Seminar 217, Risk Management: Backtest overfitting, stock fund design and forecast performance

Seminar | October 17 | 11 a.m.-1 p.m. | 639 Evans Hall

### 3-Manifold Seminar: Modular Tensor Categories

Seminar | October 17 | 2:10-3:30 p.m. | 740 Evans Hall

### Student Harmonic Analysis and PDE Seminar (HADES): Strichartz estimates for the gravity water waves

Seminar | October 17 | 3:40-5 p.m. | 891 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: The extremal Betti number of a canonical curve

Seminar | October 17 | 3:45-4:45 p.m. | 939 Evans Hall

### Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Introduction to Deformation Theory

Seminar | October 17 | 5-6 p.m. | 939 Evans Hall

## Wednesday, October 18, 2017

### Humans Enter the Robot Equation

Seminar | October 18 | 1011 Evans Hall

### Topology Seminar (Introductory Talk): Trisections and four-dimensional topology

Seminar | October 18 | 2-3 p.m. | 740 Evans Hall

### Large deviation and entropic optimality in sparse settings

Seminar | October 18 | 3:10-4 p.m. | 1011 Evans Hall

### Applied Math Seminar: Computational Structures and Materials Characterization with Branch-Following and Bifurcation Techniques

Seminar | October 18 | 4-5 p.m. | 891 Evans Hall

### Topology Seminar (Main Talk): Bridge trisections, complex curves, and exotic four-manifolds

Seminar | October 18 | 4-5 p.m. | 3 Evans Hall

### Theoretically Speaking Series — Black Holes, Firewalls, and the Limits of Quantum Computers

Lecture | October 18 | 6-7:30 p.m. | David Brower Center

## Thursday, October 19, 2017

### Paris/Berkeley/Bonn/Zürich Analysis Seminar: Inelasticity of soliton collisions for the 5D energy critical wave equation

Seminar | October 19 | 9:10-10 a.m. | 250 Sutardja Dai Hall | Note change in location

### Mathematics Department Colloquium: The Positive Geometry of Fundamental Physics, From Scattering Amplitudes to the Wavefunction of the Universe

Colloquium | October 19 | 4:10-5 p.m. | 60 Evans Hall

### GraphXD Seminar: Spectral Sparsification of Graphs

Seminar | October 19 | 5:30-7 p.m. | 1011 Evans Hall

## Friday, October 20, 2017

### Talking About Combinatorial Objects Student Seminar: The Matroid-Minor Hopf Algebra

Seminar | October 20 | 1-2 p.m. | 748 Evans Hall

### Logic Colloquium: Some Philosophical Uses of Randomized Computation

Colloquium | October 20 | 4:10-5 p.m. | 60 Evans Hall

### Student / postdoc PDE seminar: Riccati equation methods for weak KAM theory

Seminar | October 20 | 4:10-5 p.m. | 891 Evans Hall

## Saturday, October 21, 2017

### Science at Cal Lecture - Leave election integrity to chance

Lecture | October 21 | 11 a.m.-12:30 p.m. | 100 Genetics & Plant Biology Building