Spring 2023

27 April (Thursday), 2pm

Duston Wetzel

Gyroid and the triply periodic helix linkages

Video

Spring 2023

6 April (Thursday),
13 April, and 20 Apr.

Robert Owczarek   (University of New Mexico)

Proto-topological (Quantum) Field Theories of Kijowski and Sławianowski

Video of Part 1
Video of Part 2
Video of Part 3

Here are some links suggested by Robert:
1.  Seminar talk by Kijowskiego from the last year
2.  Related topic on variational principle.  

Abstract: Topological quantum field theories that are metric independent, like, e.g., Chern-Simons theory, give topological invariants of manifolds and knots. Classical field theories of Kijowski and Sławianowski are metric independent, and are defined on manifolds of a priori any dimension, and thus may give new topological invariants of manifolds.

In this talk, I will try to make a friendly introduction to these theories.   

Spring 2023

From Treewewal

23 & 30 March (Thursdays)

John McSorley

Graphs with trees of certain types, and related topics

Video of Part 1
Video of Part 2

Spring 2023

9 March

Mohammad Sayeh

Neural networks and the global minimum problem

Video (there is a 20 min break in sound)

Spring 2023

Thursday, 23 Feb

Annie Yojaira

Micropatterning with sugar
(on surfaces, curvatures, and nanoscales)

2pm, Neckers 356

Video

Spring 2023

Thursday, 2 Feb -- part 1
Thursday, 9 Feb -- part 2

Thursday, 16 Feb -- part 3 

Mathew Gluck

From the isoperimetric inequality to scalar-flat Riemannian metrics

Neckers 356, 2pm

Abstract:  We shall discuss whether a given compact Riemannian manifold can be deformed in an angle-preserving way to achieve constant scalar curvature (so-called Yamabe's problem).

Part 2 -- video

Part 3 -- video

Fall 2022

8 Dec, Thursday, 2pm 

Jerzy Kocik

On spin and spinors

Fall 2022

 

17 Nov and 1 Dec

Jerzy Kocik

On French cafés, invariants, Cauchy formula, permutations, generalized determinants, and a Fock space.

[Neckers 356, 2pm]

Video of Part 1 - very bad sound

Fall 2022

 10 November

 Charith Atapattu and Kalpa Madhava

Octonionic calculations with Python

Video

Additional links:

pyOctonion Code in Github Repository,

• https://github.com/charithsiu/pyoctonion/blob/master/pyoctonion/Pyoctonion.py
  

Pypi repository code where you upload the package to install using “pip” in python,

• https://pypi.org/project/pyoctonion/

Library documentation,

• https://github.com/charithsiu/pyoctonion/blob/master/README.md

Fall 2022

Image credit: Shutterstock

   Thursday, 3 November  

  Conversations on time
   -- relativity and its "paradoxes" 

   Questions, answers, discussion.
   Planned to help Paul Utsler 
   from the media department
   to make a documentary
   on this subject 

    [diagram]

FALL 2022

 

Thursday, 20 Oct and 27 Oct, 2pm  

Mostak Ahammed

How to deal with multiple research outcomes?  

Video
Abstract

Fall 2022

Part 1: Thursday 6 Oct  (2pm)

Part 2: Thursday 13 Oct

K. V. Shajesh

Schwinger's unitary operator bases
(quaternions, octonions, and beyond)

Recording of Part 1 
Recording of Part 2