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visits member for 4 years, 4 months
seen Jun 24 '13 at 12:31

Mar
2
comment When is this braiding not a symmetry?
@ Fernando - I also see that I had calculated the obstruction to the braiding being a symmetry in terms of the monoid multiplication, an obstruction which, as you point out, is not zero in general.
Mar
2
comment When is this braiding not a symmetry?
@Fernando, thanks, I see that now - the Moore loops and the ordinary loop space are of the same homotopy type.
Mar
2
comment When is this braiding not a symmetry?
Isn't it true that when X is itself a topological monoid (and not just a loop space) the quadratic map eta* is in fact a homomorphism? In any case I think one can use the monoid product to show that the braiding is its own homotopy inverse whenever X is a topological monoid.
Dec
7
comment Notes for Bott's 1963 lectures on Morse theory
Sorry for my careless reading of your request. The K(x) lectures date from 1963 also.
Dec
6
comment Notes for Bott's 1963 lectures on Morse theory
P.S. Just noticed that this is a scan of an autographed copy. Can't do better than that!
Dec
6
comment Notes for Bott's 1963 lectures on Morse theory
These notes were published by Benjamin in 1969 under the title "Lectures on K(X). Here is a link to a scanned copy: google.com/…
Aug
16
comment What are the algebras for the double dualization monad?
For more information on linearly compact vector spaces from a categorical point of view see section 24 of the Bergman and Hausknecht book "Cogroups and Co-rings in Categories of Associative Rings".
Apr
14
revised Why is the the classifying space of the natural numbers homotopy equivalent to the circle?
a better descripition of the homotopy fiber
Apr
14
answered Why is the the classifying space of the natural numbers homotopy equivalent to the circle?
May
1
answered universal cover of SL2(R): does it admit central extensions?
Sep
25
answered General Linear Inverse Monoid
Sep
24
answered The higher Van Kampen Theorems and computation of the unstable homotopy groups of spheres
Sep
6
awarded  Editor
Sep
6
revised General Equilibrium for Mathematicians
added 59 characters in body; deleted 1 characters in body
Sep
6
answered General Equilibrium for Mathematicians
Jun
3
awarded  Fanatic
May
2
awarded  Teacher
May
2
answered Thom first isotopy lemma in o-minimal structures
Mar
25
awarded  Enthusiast