Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 175321

Use for questions regarding duality of mathematical object, i.e. dual spaces, objects with two possible interpretations etc.

9 votes
1 answer
304 views

Origin and context of adjunctions inducing equivalences between full subcategories

Not just the fundamental theorem of Galois theory can be formulated as an instance of the above theorem, but also the Gelfand–Naimark theorem, the Stone duality, the duality between affine schemes and … commutative rings, and the Pontrjagin duality are corollaries of the above theorem up to concrete characterization of $\mathcal C'$ and $\mathcal D'$. …
user175321's user avatar
2 votes

Origin and context of adjunctions inducing equivalences between full subcategories

Question 1 I don't know if they are the first publications, but two very early references are Garrett Birkhoff (1940). Lattice Theory. Øystein Ore (1944). "Galois Connexions". (see Theorem 2 for a fo …
user175321's user avatar