The Hidden Strength of Costrong Functors
Logic in Computer Science
2025-09-17 v1 Programming Languages
Category Theory
Abstract
Strong functors and monads are ubiquitous in Computer Science. More recently, comonads have demonstrated their use in structuring context-dependent notions of computation. However, the dualisation of ``being strong'' property passed somehow unobserved so far. We argue that ``being costrong'' gives a different understanding of how functors can interact with monoidal structures. This work in progress aims to explore costrong functors and their natural properties, with an eye towards the semantics of computations.
Keywords
Cite
@article{arxiv.2509.13026,
title = {The Hidden Strength of Costrong Functors},
author = {Adriana Balan and Silviu-George Pantelimon},
journal= {arXiv preprint arXiv:2509.13026},
year = {2025}
}
Comments
In Proceedings FROM 2025, arXiv:2509.11877