Speaker:
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Danny Calegari
(University of Chicago)
|
Title:
|
Surfaces and stable
norms
|
Abstract:
|
Many fundamental
geometric or topological problems can be couched
in terms of finding a *simplest* representative of
a given structure: a shortest path, a
triangulation with fewest triangles, a least area
surface. We discuss the theory of *stable
commutator length*, ostensibly concerned with
optimizing an algebraic quantity, and explain its
relation to topology, geometry, and the
homologically efficient construction of surfaces.
There are many beautiful and unexpected phenomena.
Some are understood; many more are not.
|
Program:
|
|
14:00-15:30
|
|
16:00-17:30
|
Tue
June 19
|
1st
Lecture |
Tea
|
2nd
Lecture
|
Wed
June 20
|
3rd
Lecture |
Tea
|
Colloquium
+ reception
|
|
| Location: |
Lecture Hall 1, IPM
Niavaran Building,
Niavaran Square, Tehran |
Registration:
|
The attendance is free, but
requires registration.
Please fill out the registration form
and
send its text to gt@ipm.ir with
the subject "MCM".
|
|
|
