English

Finite Products are Biproducts in a Compact Closed Category

Category Theory 2013-05-13 v3

Abstract

If a compact closed category has finite products or finite coproducts then it in fact has finite biproducts, and so is semi-additive.

Keywords

Cite

@article{arxiv.math/0604542,
  title  = {Finite Products are Biproducts in a Compact Closed Category},
  author = {Robin Houston},
  journal= {arXiv preprint arXiv:math/0604542},
  year   = {2013}
}

Comments

9 pages. Introduction further expanded, minor errors corrected

R2 v1 2026-07-22T17:34:56.913Z