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math.CT2011
The Glueing Construction and Double Categories
Susan Niefield
We introduce Artin-Wraith glueing and locally closed inclusions in double categories. Examples include locales, toposes, topological spaces, categories, and posets. With appropriat…
math.CT2011★ 4 cited
Exponentiability via Double Categories
Susan Niefield
We use double categories to obtain a single theorem characterizing certain exponentiable morphisms of small categories, topological spaces, locales, and posets.