David C

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Name David C
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What my colleagues think I do: category theory. What my friends think I do: calculus. What I think I do: algebraic topology. What I really do: linear algebra.
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18
Non-stably trivial bundle with trivial charactertic classes
13
Cobordism of orbifolds?
10
Pullback map in homology (2)
9
Topological Conformal Field Theories.
9
Lambda-operations on stable homotopy groups of spheres
8
Are exotic spheres still exotic in generalised smooth spaces?
7
Homology of symmetric product
7
What manifolds can have a (non-piecewise) linear structure?
7
String topology for a Lie group (2)
6
Line bundle on $S^2$
6
Explicit computations of the étale homotopy type?
6
Is there a “geometric” intuition underlying the notion of normal varieties?
6
Smooth submanifolds defined by Subrings
5
Where should I learn about immersion theory?
5
Real analytic submanifolds of $\mathbb{R}^{n}$
5
spectral sequence for cobordism without leaving smooth category
5
What is the homotopy type of the space of the homeomorphisms of the n-ball such that the homeomorphism restricted to the boundary is isotopic to the identity?
5
Morphisms between formal dg-algebras
4
Computation of homotopy groups of spheres via Pontryagin-Thom
4
Is Wikipedia correct about desarguesian projective planes being self-dual?
4
Is the set of all smoothed closed simple curves on $\mathbb{R}^2$ a manifold?
4
Research in topology for a master student
4
References for geometric K-homology
3
are immersions/submersions captured in generalised smooth spaces by some universal property?
3
Where should one go to learn about triangulated categories?
3
Need references on moduli of subvarieties of given dimension and degree of the projective space P^N
2
Resolutions of unbounded complexes and homotopy (co)limits.
2
Localizations of non-nilpotent spaces
2
Free Loops, Moore Paths and the Borel Construction
2
Oriented finite CW complex with prescribed homology?
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