2020
Jun
01

# Combinatorics: Nathan Keller (BIU)

11:00am to 1:00pm

## Location:

Zoom

**Title:**Local tail inequalities, biased halfspaces, and noise sensitivity

**ABSTRACT**

2020
Jun
01

11:00am to 1:00pm

Zoom

2020
May
11

11:00am to 12:45pm

Zoom

A graph G on n vertices is called an alpha-expander if the external neighborhood of every vertex subset U of size |U|<=n/2 in G has size at least alpha*|U|.

2020
Jun
10

12:00pm to 1:00pm

__Title__: Completeness properties of spaces of immersed curves Read more about Analysis Serminar: Cy Maor (HUJI) "Completeness properties of spaces of immersed curves"

2020
May
06

11:00am to 1:00pm

Zoom: Meeting ID: 959 8849 6874 , Password: 020269

.

Title: Distal Theories and the Type Decomposition Theorem

Abstract: The class of NIP-Theories is an important subject of study in pure model theory. It contains many interesting examples like stable theories, o-minimal theories or algebraically closed valued fields.

2020
May
04

2020
May
06

11:00am to 1:00pm

Zoom meeting ID 243-676-331

Joint E-seminar of Bar-Ilan University and the Hebrew University

Title:__Sigma-Prikry forcings and their iterations__

Title:

2020
May
14

4:00pm to 5:15pm

Join Zoom Meeting https://huji.zoom.us/j/98768675115?pwd=WnZOZUpuVmpoNGkrYWQxanNVWkQzUT09,

Abstract: The Bernoulli convolution with parameter 1/2 < t < 1 is the distribution of the random variable (+/-)t + (+/-)t^2 + (+/-)t^3 + ..., where the sequence of signs +/- form an unbiased i.i.d. random sequence. This distribution has been studied since the 1930s, and the main problem is to characterize those parameters t for which the distribution is absolutely continuous, or has full dimension. In these talks I will review the history and recent developments, leading up to P. Varju's proof a little over a year ago, that for all transcendental parameters the dimension is 1.

2020
May
07

4:00pm to 5:15pm

Join Zoom Meeting https://huji.zoom.us/j/98768675115?pwd=WnZOZUpuVmpoNGkrYWQxanNVWkQzUT09

Abstract: The Bernoulli convolution with parameter 1/2 < t < 1 is the distribution of the random variable (+/-)t + (+/-)t^2 + (+/-)t^3 + ..., where the sequence of signs +/- form an unbiased i.i.d. random sequence. This distribution has been studied since the 1930s, and the main problem is to characterize those parameters t for which the distribution is absolutely continuous, or has full dimension. In these talks I will review the history and recent developments, leading up to P.

2020
Apr
23

4:00pm to 5:15pm

Join Zoom Meeting

https://huji.zoom.us/j/98768675115?pwd=WnZOZUpuVmpoNGkrYWQxanNVWkQzUT09

Meeting ID: 987 6867 5115

Password: 153703

Video available here : https://huji.cloud.panopto.eu/Panopto/Pages/Viewer.aspx?id=e4c8ea86-dd3e-4b9e-af0f-aba600eec104

2020
Apr
30

4:00pm to 5:15pm

Join Zoom Meeting

https://huji.zoom.us/j/98768675115?pwd=WnZOZUpuVmpoNGkrYWQxanNVWkQzUT09

Meeting ID: 987 6867 5115

Password: 153703

https://huji.zoom.us/j/98768675115?pwd=WnZOZUpuVmpoNGkrYWQxanNVWkQzUT09

Meeting ID: 987 6867 5115

Password: 153703

2020
Apr
27

2:15pm to 4:00pm

https://zoom.us/j/468718180,

Speaker: Spencer Leslie (Duke)

Title: The endoscopic fundamental lemma for unitary symmetric spaces

Abstract: Motivated by the study of certain cycles in locally symmetric

spaces and periods of automorphic forms on unitary groups, I propose a

theory of endoscopy for certain symmetric spaces. The main result is the

fundamental lemma for the unit function. After explaining where the

fundamental lemma fits into this broader picture, I will describe its

proof.

Join Zoom Meeting

Title: The endoscopic fundamental lemma for unitary symmetric spaces

Abstract: Motivated by the study of certain cycles in locally symmetric

spaces and periods of automorphic forms on unitary groups, I propose a

theory of endoscopy for certain symmetric spaces. The main result is the

fundamental lemma for the unit function. After explaining where the

fundamental lemma fits into this broader picture, I will describe its

proof.

Join Zoom Meeting

2020
Apr
20

4:30pm to 5:30pm

https://zoom.us/j/468718180,

Join Zoom Meeting

https://zoom.us/j/468718180

Meeting ID: 468 718 180

Charlotte Chan (MIT)

Title: L-packets of S-unramified regular supercuspidal representations

https://zoom.us/j/468718180

Meeting ID: 468 718 180

Charlotte Chan (MIT)

Title: L-packets of S-unramified regular supercuspidal representations

2020
May
19

2:00pm to 3:00pm

Title: Equidistribution of the image in the torus of sparse points on dilating analytic curves

2020
May
05

2:00pm to 3:00pm

2020
May
05

12:00pm to 1:00pm

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