# Category Archives: Geometry and Topology Today

## Tim Nguyen: The Perturbative Approach to Path Integrals

In this video, Tim Nguyen gives an awesome explanation of part of a subject that Richard Feynman once claimed, “If you think you understand quantum mechanics, you don’t understand quantum mechanics.” Continue reading

## Mathematician Pallavi Dani – Divergence in Right-angled Coxeter Groups

LSU mathematician Pallavi Dani talks about using geometry to study problems in algebra and vice versa in her research. Continue reading

## Clayton Shonkwiler: Research Seminar on Applications of Geometry and Topology to Random Walks

Clayton Shonkwiler gives an advanced seminar on applications of geometry and topology to random walks/polygons and polymer physics. Continue reading

## Mathematician Clayton Shonkwiler: An Advanced Perspective

In this episode, Clayton Shonkwiler discusses random polygons at a graduate level, including why roughly 84% of all triangles are obtuse. Continue reading

## Mathematician Clayton Shonkwiler talks about Polymer Science

In this episode, we meet Clayton Shonkwiler, a mathematician from Colorado State University, who talks to us about applications of geometry and topology to the study of random polygons and polymer science. Continue reading

## Building the ⟨Sci|State⟩ Studio—a weekend in time lapse.

Watch how to build a sound/video stage with green screen and a light board at 15x speed. The studio is for videos like “Geometry and Topology Today.” Continue reading

## Adam Saltz speaks on an annular refinement of the transverse element in Khovanov homology

In this seminar video, Adam Saltz explains a recent result of his on transverse knots. Continue reading

## Testing out the new Green Screen (Plus a bonus 14×16 calculation)

Which background screen should we use for Geometry and Topology Today? Take the poll! Continue reading

## Meet Mathematician Jeremy Van Horn-Morris

In this episode we meet mathematician Jeremy Van Horn-Morris, who talks about some geometric and visual tools used to understand questions concerning the motion of particles. Continue reading

## Ben McCarty plays “Swing that Hammer”

Listen to mathematician Ben McCarty sing “Swing that Hammer” using a Breedlove guitar. Continue reading

## Meet Mathematician Aaron Lauda

What did mathematician Aaron Lauda do when he proved one of his big theorems? Watch and find out! Continue reading

## Interview with Thomas Lam on electrical networks

Today we talk with Thomas Lam, professor of mathematics at the University of Michigan, about electrical networks. Geometry and Topology Today is a “news show” on state-of-the-art mathematics research discussed for a general audience. Continue reading

## Line arrangements from an advanced perspective

We continue our conversation with mathematician Moshe Cohen, who now discusses line arrangements from an advanced perspective. Continue reading

## Interview with Moshe Cohen

Geometry and Topology Today is a “news show” on state-of-the-art mathematics research discussed for a general audience (including young people in high school). Today we talk with Moshe Cohen. Continue reading