User Michał Oszmaniec

6

18

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3

answers

1k

views

Is there “Schur-Weyl duality” for infinite dimensional unitary group?

Mar 7 '12 at 21:18 Michał Oszmaniec 967

13

15

votes

3

answers

3k

views

Is there a way to graphically imagine smash product of two topological spaces?

gn.general-topology intuition

Aug 11 '16 at 21:47 Michael Albanese 14.4k

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13

votes

3

answers

3k

views

Is there a Poincare-Hopf Index theorem for non compact manifolds?

differential-equations dg.differential-geometry mp.mathematical-physics

Apr 27 '18 at 18:13 Chris Gerig 14.9k

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9

votes

1

answer

685

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Probability of return vs. probability of return in minimal number of steps

co.combinatorics random-walks pr.probability graph-theory

Mar 3 '11 at 10:41 Community♦ 1

2

9

votes

1

answer

816

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Random walk on a simple finite network

co.combinatorics random-walks graph-theory pr.probability

Feb 19 '11 at 22:55 Omer 1,351

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8

votes

1

answer

953

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Symmetric tensor product of bosonic/fermionic Hilbert space

mp.mathematical-physics rt.representation-theory lie-groups plethysm co.combinatorics

Mar 5 '12 at 10:30 Michał Oszmaniec 967

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8

votes

2

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962

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Killing form vs its counterpart in a given represenation

rt.representation-theory lie-algebras lie-groups mp.mathematical-physics

Dec 14 '10 at 22:54 Bugs Bunny 10.2k

1

6

votes

1

answer

544

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First nonzero eigenvalue of the Laplacian on the submanifold

laplacian measure-concentration dg.differential-geometry

Jun 14 '12 at 17:33 Michał Oszmaniec 967

2

5

votes

1

answer

710

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Radius of the largest enclosed ball in the convex hull of an algebraic variety

ag.algebraic-geometry convex-geometry

Apr 18 '15 at 20:51 Joseph O'Rourke 137k

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4

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1

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413

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Generating function of a sequence involving reciprocals of binomial coefficients

co.combinatorics generating-functions

Apr 20 '18 at 16:54 Martin Sleziak 4,257

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4

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0

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293

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Which orbits of a separable representation of the infinite unitary group are closed?

fa.functional-analysis ag.algebraic-geometry gr.group-theory mp.mathematical-physics lie-groups

Apr 27 '13 at 11:43 Community♦ 1

1

4

votes

1

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751

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Is there a generalization of Schur - Weyl duality and plethysm for direct product of special unitary groups?

rt.representation-theory mp.mathematical-physics lie-groups schur-functors co.combinatorics

Apr 12 '12 at 23:50 Michał Oszmaniec 967

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votes

0

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527

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Monotonic properties of harmonic functions on graphs

co.combinatorics graph-theory pr.probability random-walks

Dec 12 '10 at 13:30 Michał Oszmaniec 967

3

votes

1

answer

282

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Do cyclic product vectors generatating irreducible representation of a Lie group come from a unique orbit?

rt.representation-theory fa.functional-analysis lie-groups mp.mathematical-physics

Mar 21 '14 at 14:17 physicalmaths 49

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3

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1

answer

1k

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highest weight orbit characterization (reformulated and extended )

rt.representation-theory mp.mathematical-physics lie-groups lie-algebras

Feb 2 '11 at 19:19 Community♦ 1

2

votes

1

answer

326

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Characterization of the weight orbit in the projective space via second order Casimir.

rt.representation-theory lie-algebras lie-groups invariant-theory mp.mathematical-physics

May 8 '12 at 8:47 Community♦ 1

1

vote

0

answers

196

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When does the effective concentration of measure does not occour on a Riemmanian manifold?

measure-concentration dg.differential-geometry laplacian

Jun 16 '12 at 12:57 Michał Oszmaniec 967

1

vote

1

answer

805

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How to deduce the existence of stationary points from fixed points of evolution maps?

differential-equations dg.differential-geometry ds.dynamical-systems

Mar 10 '12 at 13:23 Robert Haslhofer 521

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18 Questions

Is there “Schur-Weyl duality” for infinite dimensional unitary group?

Is there a way to graphically imagine smash product of two topological spaces?

Is there a Poincare-Hopf Index theorem for non compact manifolds?

Probability of return vs. probability of return in minimal number of steps

Random walk on a simple finite network

Symmetric tensor product of bosonic/fermionic Hilbert space

Killing form vs its counterpart in a given represenation

First nonzero eigenvalue of the Laplacian on the submanifold

Radius of the largest enclosed ball in the convex hull of an algebraic variety

Generating function of a sequence involving reciprocals of binomial coefficients

Which orbits of a separable representation of the infinite unitary group are closed?

Is there a generalization of Schur - Weyl duality and plethysm for direct product of special unitary groups?

Monotonic properties of harmonic functions on graphs

Do cyclic product vectors generatating irreducible representation of a Lie group come from a unique orbit?

highest weight orbit characterization (reformulated and extended )

Characterization of the weight orbit in the projective space via second order Casimir.

When does the effective concentration of measure does not occour on a Riemmanian manifold?

How to deduce the existence of stationary points from fixed points of evolution maps?