Un of Tenn | Math Department

Seminars and Colloquiums
for the week of April 1, 2013

Speakers:

Mr. Ernest Jum and Mr. Jack Smith, Wednesday
Prof. Remus Nicoara, Wednesday - cancelled
Dr. John Bowers, Univ. of Massachusetts, Thursday

*** Tea Time this week will be Monday - Wednesday at 3:00 pm.
Hosted this week by Steve Fassino & Tyler Massaro. Everyone is welcome! ***

WEDNESDAY, April 3

MATH BIOLOGY SEMINAR
TIME: 12:20 - 1:10
ROOM: Ayres 114
SPEAKER: Mr. Ernest Jum and Mr. Jack Smith
TITLE: Nonlinear Dynamics in Physiology and Medicine (continued chapter 3 - 4 of this book)

ANALYSIS SEMINAR - cancelled
TIME: 3:35 - 4:25
ROOM: Ayres 114
SPEAKER: Prof. Remus Nicoara
TITLE: Non-conjugate actions of groups on von Neumann algebras (continued)
ABSTRACT: We will first review some known results about groups acting on von Neumann algebras. We will then construct certain parametric classes of non-conjugate actions on the hyperfinite II_1 factor.

THURSDAY, April 4

JUNIOR COLLOQUIUM
TIME: 3:35 p.m.
ROOM: Ayres 405
SPEAKER: Dr. John Bowers,Univ. of Massachusetts
TITLE: Rigidity of Origami
ABSTRACT: In a seminal work on computational origami, Robert Lang proposed a design method called "TreeMaker". It produces a crease pattern for a polygonal sheet of paper such that an isometric 3D folded state exists. Though TreeMaker has been around for nearly 20 years, many of its mathematical and algorithmic properties have yet to be investigated. In this talk I will show that TreeMaker often produces crease patterns which are not rigidly foldable --- there is no continuous folding process leading to the 3D state in which the faces are kept as rigid panels whose shared edges act as hinges.

This result is joint work with Ileana Streinu.

Pizza will be available at 3:10.

If you are interested in giving or arranging a talk for one of our seminars or colloquiums,
please review our calendar.

If you have questions, or a date you would like to confirm, please contact colloquium AT math DOT utk DOT edu

Past notices:

spring break