Purdue University; Department of Mathematics

150 N. University Street; West Lafayette, IN

Phone: (765) 494-1205; Fax: (765) 494-0548

e-mail: rkaufman@math.purdue.edu URL: http://www.math.purdue.edu/~rkaufman

**Selected
Talks** (the latest version is usually
provided)

- Feynman Categories (latest
version MATRTIX 16), including Hopf algebras and decorated
Feynman Categories)

- Condensed Matter, C* geometry and Topological Invariants (Fields 15)
- Algebraic operations in
geometry, topology and Physics (Penn State 15)

- Singularities, swallowtais and topological properties in families of Hamiltonians (Knoville 14)
- The geometry and algebra of master equations, BV equations and Feynman tranforms. (Pittsburg 14)
- First version of slides
containing Feynman Categories (Bloomington 12)

- CFT from the arc point of view and structural relations to planar algebras (NCGOA 12)
- Stringy orbifold K-theory.

- On CY/LG correspondence for (0,2) models
- Stringy Singularities
- Operads, Stings and Deligne's conjecture
- ...