11,576 reputation
22466
bio website homepages.abdn.ac.uk/…
location Aberdeen, United Kingdom
age
visits member for 4 years, 6 months
seen 29 mins ago

Lecturer at University of Aberdeen, with interests in Algebraic and Differential Topology and their applications.


Jan
24
comment Lusternik-Schnirelmann Theorem
@Vrouvrou: I'm not sure what you are asking, can you give a page reference?
Jan
21
comment Lusternik-Schnirelmann Theorem
Yes, Theorem 1.15.
Jan
21
comment Lusternik-Schnirelmann Theorem
See my edit for a more precise reference.
Jan
21
revised Lusternik-Schnirelmann Theorem
Gave more precise reference
Jan
21
answered Lusternik-Schnirelmann Theorem
Jan
16
answered References for Eilenberg-Zilber shuffle product
Jan
16
comment cohomology algebra of braid spaces, configuration spaces
Their methods do not give the product structure on cohomology, however.
Jan
15
awarded  Electorate
Jan
15
revised cohomology algebra of braid spaces, configuration spaces
added 102 characters in body
Jan
15
comment The Metrizability of Symmetric Products of Metric Spaces
Also posted at MSE: math.stackexchange.com/questions/1102041/…
Jan
15
answered cohomology algebra of braid spaces, configuration spaces
Jan
14
comment Is there a “simplification” functor in algebraic topology?
I'm being stupid, I know, but could you explain the last sentence further?
Jan
14
comment Reference for Mod 2 cohomology of $BZ_{2r}$ in terms of Stiefel-Whitney Classes
@user43326: I don't think your second statement can be correct, since $w_1=0$ for any complex vector bundle.
Jan
12
answered Reference for the proof of a neighbourhood characterisation of cofibrations
Jan
9
answered cohomology algebra of unordered configuration space on Euclidean space
Jan
9
comment Does every embedded 2-sphere in $\mathbb{R}^n$ bound an embedded ball?
Doesn't the existence of non-trivial $2$-knots imply the answer is no for $ n =4$?
Jan
5
revised Unstable homotopy groups of spheres beyond Toda's range
added 149 characters in body
Dec
28
accepted Unstable homotopy groups of spheres beyond Toda's range
Dec
21
awarded  Necromancer
Dec
20
awarded  Nice Answer