Matthias Wendt's user avatar
Matthias Wendt's user avatar
Matthias Wendt's user avatar
Matthias Wendt
  • Member for 9 years, 10 months
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24 votes
1 answer
3k views

When did "Betti cohomology" come to be used the way it is today? (and how is it used)

23 votes
1 answer
918 views

Fundamental theorem of K-theory for loop groups over $\mathbb{F}_1$?

21 votes
1 answer
737 views

What should motives for $L(E,n)$ look like?

14 votes
1 answer
439 views

Bloch group, hyperbolic manifolds and rigidity

12 votes
0 answers
326 views

Homology of Gersten complex for singular schemes

11 votes
1 answer
408 views

Dimension in CW-approximation

10 votes
1 answer
413 views

Is there a notion of hyperbolicity for number rings?

10 votes
0 answers
152 views

Finiteness of torsion in $\mathcal{K}_2$-cohomology

10 votes
1 answer
356 views

Fixed set of order p automorphism of Bruhat-Tits tree

10 votes
2 answers
585 views

Transfers on Bloch groups and scissors congruence groups

9 votes
2 answers
341 views

Clifford algebras for quadratic modules over ringed spaces

9 votes
1 answer
209 views

Lower bounds for the top rational cohomology of arithmetic groups

8 votes
0 answers
178 views

$v_1$-periodic homotopy and principal bundle classification

6 votes
0 answers
222 views

Parshin's buildings for higher local fields

6 votes
0 answers
141 views

Binary forms and equivariant derived category

6 votes
0 answers
113 views

2-functoriality of equivariant derived categories

6 votes
1 answer
152 views

Combinatorial curvature of real projective plane

5 votes
0 answers
140 views

Failure of devissage vs link topology in algebraic K-theory

5 votes
0 answers
212 views

Explicit generators for homotopy groups of Lie groups

5 votes
0 answers
322 views

Divisibility properties of Chow groups (beyond Roitman's theorem)

5 votes
0 answers
313 views

Strengthening of Suslin's rigidity argument?

5 votes
1 answer
195 views

Alternating elements in free graded-commutative algebras

4 votes
0 answers
175 views

Rational cohomology of $S$-arithmetic groups over function fields and Gauss-Bonnet

4 votes
1 answer
266 views

CAT(0)-groups in dimension 2

4 votes
0 answers
103 views

Closed form for integer series from enumerative geometry problem?

3 votes
1 answer
411 views

Classification (and automorphisms) of torsion-free modules/sheaves

3 votes
1 answer
682 views

Deformations of holomorphic/algebraic vector bundles over $\mathbb{P}^3$

3 votes
0 answers
145 views

DEF vs DIFF for projective bundles over $\mathbb{P}^3$

2 votes
0 answers
246 views

(Co)Homology of groups vs. Lie algebras: polynomial rings