## MATH 245C: Topics in Algebraic Geometry

May be repeated for credit.

Last offered: Spring 2017
| Repeatable for credit

## MATH 246: Topics in number theory: L-functions

The Riemann Zeta function and Dirichlet L-functions, zero-free regions and vertical distribution of the zeros, primes in arithmetic progressions, the class number problem, Hecke L-functions and Tate's thesis, Artin L-functions and the Chebotarev density theorem, Modular forms and Maass forms.nnPrerequisites: Algebraic Number Theory.

Last offered: Spring 2016
| Repeatable for credit

## MATH 248: Introduction to Ergodic Theory

Topics may include 1) subadditive and multiplicative ergodic theorems, 2) notions of mixing, weak mixing, spectral theory, 3) metric and topological entropy of dynamical systems, 4) measures of maximal entropy. Prerequisites: Solid background in "Measure and Integration" (
Math 205A) and some functional analysis, including Riesz representation theorem and Hahn-Banach theorem (
Math 205B).

Last offered: Autumn 2014
| Repeatable for credit

## MATH 249A: Topics in number theory

Topics of contemporary interest in number theory. May be repeated for credit.

Last offered: Autumn 2018
| Repeatable for credit

## MATH 249B: Topics in Number Theory

NOTE: Undergraduates require instructor permission to enroll. Undergraduates interested in taking the course should contact the instructor for permission, providing information about relevant background such as performance in prior coursework, reading, etc.

Terms: Win
| Units: 3
| Repeatable for credit

Instructors:
Taylor, R. (PI)

## MATH 249C: Topics in Number Theory

NOTE: Undergraduates require instructor permission to enroll. Undergraduates interested in taking the course should contact the instructor for permission, providing information about relevant background such as performance in prior coursework, reading, etc.

Terms: Spr
| Units: 3
| Repeatable for credit

Instructors:
Tsai, C. (PI)

## MATH 256A: Partial Differential Equations

The theory of linear and nonlinear partial differential equations, beginning with linear theory involving use of Fourier transform and Sobolev spaces. Topics: Schauder and L2 estimates for elliptic and parabolic equations; De Giorgi-Nash-Moser theory for elliptic equations; nonlinear equations such as the minimal surface equation, geometric flow problems, and nonlinear hyperbolic equations.nnNOTE: Undergraduates require instructor permission to enroll. Undergraduates interested in taking the course should contact the instructor for permission, providing information about relevant background such as performance in prior coursework, reading, etc.

Terms: Spr
| Units: 3

Instructors:
Luk, J. (PI)

## MATH 256B: Partial Differential Equations

Continuation of 256A.

Last offered: Winter 2019
| Repeatable for credit

## MATH 257A: Symplectic Geometry and Topology

Linear symplectic geometry and linear Hamiltonian systems. Symplectic manifolds and their Lagrangian submanifolds, local properties. Symplectic geometry and mechanics. Contact geometry and contact manifolds. Relations between symplectic and contact manifolds. Hamiltonian systems with symmetries. Momentum map and its properties. May be repeated for credit.nnNOTE: Undergraduates require instructor permission to enroll. Undergraduates interested in taking the course should contact the instructor for permission, providing information about relevant background such as performance in prior coursework, reading, etc.

Terms: Aut
| Units: 3
| Repeatable for credit

Instructors:
Varolgunes, U. (PI)

## MATH 257B: Symplectic Geometry and Topology

Continuation of 257A. May be repeated for credit.nnNOTE: Undergraduates require instructor permission to enroll. Undergraduates interested in taking the course should contact the instructor for permission, providing information about relevant background such as performance in prior coursework, reading, etc.

Terms: Win
| Units: 3
| Repeatable for credit

Instructors:
Eliashberg, Y. (PI)

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