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Upcoming talks

2018 May 23

Logic Seminar - Alejandro Poveda Ruzafa - "A Magidor-like study of $C^{(n)}$-cardinals"

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Location: 

Ross 63
11:00am to 1:00pm

See also: Events & Seminars, Logic, Seminars
The notion of reflection plays a central role in modern Set Theory since the descovering of the well-known Lévy and Montague \textit{Reflection principle}. For any $n\in\omega$, let $C^{(n)}$ denote the class of all ordinals $\kappa$ which correctly interprets the $\Sigma_n$-statements of the universe, with parametes in $V_\kappa$.
2018 May 23

Analysis Seminar: Ori Gurel-Gurevich (HUJI) "Random walks on planar graphs"

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Location: 

Ross Building, Room 70
12:00pm to 1:00pm

See also: Analysis, Events & Seminars, Seminars
Title: Random walks on planar graphs Abstract: We will discuss several results relating the behavior of a random walk on a planar graph and the geometric properties of a nice embedding of the graph in the plane (e.g. a circle packing of the graph). An example of such a result is that for a bounded degree graph, the simple random walk is recurrent if and only if the boundary of the nice embedding is a polar set (that is, Brownian motion misses it almost surely). No prior knowledge about random walks, circle packings or Brownian motion is required.
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Einstein Institute of Mathematics
Edmond J. Safra Campus (map)
The Hebrew University of Jerusalem
Givat Ram. Jerusalem, 9190401, Israel

Fax. 972-2-5630702

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Welcome to the Einstein Institute of Mathematics

The Einstein Institute of Mathematics was founded in 1925, and has since become one of the world's leading research institutes. The Institute offers B.Sc., M.Sc., and Ph.D. studies, hosts postdocs and visitors from around the world and promotes mathematical education through various seminars, conferences, workshops and other programs for students, teachers and the general public. Our research areas currently include the foundations of mathematics, logic, algebra, group theory, representation theory, differential geometry, algebraic topology, analysis, ergodic theory and dynamical systems, number theory, probability, combinatorics and game theory.

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