nLab locally polypresentable category

Contents

Contents

Idea

A locally polypresentable category is similar to a locally presentable category, but where we ask only for the existence of wide pullbacks rather than all small limits.

Definition

Definition

(locally polypresentable category)

A category 𝒞\mathcal{C} is called locally polypresentable if

  1. it is an accessible category;

  2. it has all wide pullbacks.

The second condition is equivalent to:

2’. it has all small polycolimits?.

References

The definition is due to

Last revised on October 16, 2023 at 07:24:31. See the history of this page for a list of all contributions to it.