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truebaran
  • Member for 11 years, 10 months
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  • Poland
65 votes
4 answers
11k views

What is a foliation and why should I care?

61 votes
3 answers
5k views

Atiyah-Singer theorem-a big picture

29 votes
6 answers
8k views

Nonseparable Hilbert spaces

22 votes
3 answers
4k views

Manifolds admitting flat connections

18 votes
4 answers
3k views

(Very) High dimensional manifolds

18 votes
1 answer
1k views

Soft and hard part of geometry [duplicate]

17 votes
2 answers
2k views

Realisation of the noncommutative torus as a universal $ C^{*} $-algebra

17 votes
2 answers
2k views

Quantum corrections to geometry

16 votes
1 answer
944 views

Free modules over integers

16 votes
1 answer
1k views

Hodge de Rham operator and orientability

15 votes
4 answers
3k views

Universal $C^*$-algebra with generators and relations

15 votes
3 answers
538 views

Direct sum of Hopf algebras

15 votes
2 answers
856 views

Low dimensional topological manifolds [duplicate]

15 votes
0 answers
331 views

Beyond smoothness-the clear picture about the notion of a differential form

14 votes
3 answers
2k views

Splitting of tangent bundle

14 votes
2 answers
528 views

Non-isomorphic measurable spaces

14 votes
1 answer
1k views

(Very) Large numbers, Chaitin's incompletness theorem and a specific upper bound

13 votes
1 answer
702 views

Atiyah-Singer index theorem, pairing between K-homology and K-theory and Chern character

13 votes
2 answers
1k views

Calkin Algebra and the embedding

13 votes
3 answers
1k views

Separable von Neumann algebra

12 votes
1 answer
944 views

Differential geometric interpretation of cohomology

12 votes
3 answers
812 views

Index of a family of operators

12 votes
1 answer
477 views

Completely positive maps-equivalent definition

11 votes
2 answers
2k views

Fell topology vs. convergence of matrix coefficients

11 votes
1 answer
634 views

Poincare duality spaces vs. manifolds via lifting maps, the obstruction theory and the role of simply connectedness

11 votes
2 answers
828 views

How do you know that you have succeeded-Constructive Quantum Field Theory and Lagrangian

10 votes
0 answers
172 views

Baum Connes conjecture and abstract isomorphism

10 votes
0 answers
1k views

Relative Lie algebra cohomology

10 votes
1 answer
769 views

Baum Connes conjecture and Atiyah-Singer index theorem

10 votes
2 answers
2k views

Atiyah Singer index theorem and Hodge de Rham operator

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