6

Questions

4
6
votes
2
answers
365
views

Question about von Neumann algebra generated by a complete algebra of projections

nov 20 at 22:41 J. H. S. 2,4151231

2
6
votes
1
answer
410
views

Question about projections on a Hilbert space

jul 26 10 at 3:07 Andreas Blass 32.9k454109

1
3
votes
1
answer
123
views

Do functions defined on global elements give rise to arrows in a well-pointed topos?

oct 14 10 at 22:29 Andreas Blass 32.9k454109

1
2
votes
1
answer
244
views

Question about equivalence relation defining integers in an elementary topos

oct 1 10 at 22:42 Todd Trimble 22.3k16296

1
1
vote
5
answers
449
views

Is there such a thing as the sigma-completion of a Boolean algebra?

mar 17 11 at 22:30 Phil Wild 2016

2
1
vote
2
answers
217
views

Need help understanding a topos theory proof (any topos generated by subobjects of 1 in whose subobject lattices are complete and Boolean satisfies AC)

sep 12 10 at 19:11 Charles Rezk 12.9k13166