123 citations · 583 across the 42 of their papers we have counts for
Showing math.RAShow all
3 papers · 1 filter
math.RA2015★ 2 cited
On the magnitude of a finite dimensional algebra
Joseph Chuang, Alastair King, Tom Leinster
There is a general notion of the magnitude of an enriched category, defined subject to hypotheses. In topological and geometric contexts, magnitude is already known to be closely r…
math.RA2014
The bijection between projective indecomposable and simple modules
Tom Leinster
For modules over a finite-dimensional algebra, there is a canonical one-to-one correspondence between the projective indecomposable modules and the simple modules. In this purely e…
math.RA2002
An Objective Representation of the Gaussian Integers
Marcelo Fiore, Tom Leinster
A rig is a riNg without Negatives. We analyse the free rig on a generator x subject to the equivalence x = 1 + x + x^2, showing that in it the non-constant polynomials form a ring.…