mkreisel's user avatar
mkreisel's user avatar
mkreisel's user avatar
mkreisel
  • Member for 11 years, 11 months
  • Last seen this week
  • University of Maryland
12 votes
1 answer
1k views

Spin structures on $S^1$ and Spin cobordism

10 votes
1 answer
551 views

Explicit Computations of Examples in Spin Geometry

10 votes
3 answers
1k views

The "right" $C^*$ algebraic proof of Bott Periodicity

8 votes
1 answer
436 views

C* algebras of Almost Periodic Functions

8 votes
1 answer
1k views

What are the Dirac operators on $S^1$?

7 votes
2 answers
592 views

Finding the commutant of a von Neumann algebra

5 votes
1 answer
626 views

Poisson Summation Formulas for Cut and Project Quasicrystals

5 votes
2 answers
1k views

Moduli Spaces of Higher Dimensional Complex Tori

4 votes
3 answers
2k views

Linear Recurrence Relations in 2 Variables with Variable Coefficients

4 votes
0 answers
191 views

The groupoid VN algebra of the transversal to a uniquely ergodic action

3 votes
0 answers
147 views

Is there a Fourier transform for principal r-discrete groupoids?

3 votes
0 answers
277 views

Morita Equivalence of Full Corners in $C^*$-algebras

3 votes
0 answers
89 views

Decomposing a representation of the affine group

3 votes
1 answer
147 views

Is any finite collection of points contained in a cut and project set with $\mathbb{R}^d$ as internal space?

3 votes
0 answers
75 views

Group generated by symmetric shears

2 votes
0 answers
70 views

Can the STFT decrease arbitrarily quickly near the origin?

2 votes
2 answers
406 views

Meromorphic Functions as Distributions

2 votes
0 answers
308 views

Transforming the Dirac Operator on $S^1$

2 votes
1 answer
238 views

Cut and Project Sets Using Hyperbolic Space

2 votes
1 answer
436 views

What are some properties of Delone sets that come from Barlow packings of spheres?

1 vote
0 answers
92 views

Can any Delone set be approximated by a model set?

1 vote
2 answers
233 views

When is a collection of exponentials dense in $L^2(K), |K|<\infty$

0 votes
1 answer
331 views

Reference for Complex Abelian Varieties