Override and Update in Restriction Categories

๐Ÿ“… 2026-09-03
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๐Ÿ“ Abstract
We study the override and update operators on partial functions from the perspective of restriction categories. We propose a definition of override restriction categories, in which both of the operators in question exist. We prove a number of results concerning these operators and their relationship to the structure of the ambient restriction category, as well as relating them to the existing literature on the override and update operators. We provide various examples of override restriction categories and in particular show that every classical restriction category is an override restriction category.
Problem

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override
update
restriction categories
partial functions
Innovation

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override restriction categories
update operators
partial functions
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