Timeline for Are there categories whose internal hom is somewhat 'exotic'?
Current License: CC BY-SA 4.0
6 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
Sep 2, 2019 at 21:16 | comment | added | Tim Campion | Or representations of a group $G$ (or Hopf algebra more generally). Similar to chain complexes or graded abelian groups, the internal hom consists of all linear maps -- not just $G$-equivariant ones. | |
Aug 19, 2019 at 16:00 | comment | added | David White | Another answer, in the spirit of chain complexes, is the internal hom of Spectra (symmetric, orthogonal, or S-modules), G-spectra, and motivic spectra | |
Aug 18, 2019 at 14:44 | comment | added | Peter LeFanu Lumsdaine | @SimonHenry: why not make that an additional answer, since it has quite a distinct flavour from the examples here? | |
Aug 18, 2019 at 14:24 | comment | added | Simon Henry | The category of set and relation (monoidal for the products of sets) is also a good example. The exponential is given by the product of sets. | |
Aug 18, 2019 at 14:03 | history | edited | Peter LeFanu Lumsdaine | CC BY-SA 4.0 |
fixed typo
|
Aug 18, 2019 at 12:02 | history | answered | Peter LeFanu Lumsdaine | CC BY-SA 4.0 |