2 papers
math.QA2019
Hopf-Frobenius Algebras and a Simpler Drinfeld Double
Joseph Collins, Ross Duncan
The zx-calculus and related theories are based on so-called interacting Frobenius algebras, where a pair of dagger-special commutative Frobenius algebras jointly form a pair of Hop…
math.CO2018
Equivelar toroids with few flag-orbits
José Collins, Antonio Montero
An -toroid is a quotient of a tessellation of the -dimensional Euclidean space with a lattice group. Toroids are generalizations of maps in the torus on higher dimensions…