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Is there an inventory of closed billiard paths in a regular tetrahedron?

Joseph O'Rourke

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0 votes

0 answers

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Cosine Modulo $p$?

mtheorylord

239

asked 1 hour ago

1 vote

0 answers

54 views

Question of pole and zeros of symmetric or exterior global $L$-function of $\mathrm{GL}_n(\mathbb{A})$

Andrew

743

modified 1 hour ago

1 vote

1 answer

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Normal modal Logic with finite proposition letters

Emil Jeřábek

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answered 1 hour ago

2 votes

2 answers

158 views

Are these two representations of $SU(2)$ equivalent?

Dave Benson

8,149

answered 1 hour ago

9 votes

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Maxime Ramzi

11.5k

modified 1 hour ago

4 votes

1 answer

105 views

A combinatorial identity counting shellings of $K_n$

ho boon suan

308

answered 2 hours ago

8 votes

1 answer

509 views

Is there an abstract logic that defines the mantle?

The Amplitwist

944

modified 3 hours ago

1 vote

0 answers

44 views

How to find all linear transformations commuting with all elements of the image of an isotypic representation of a compact Lie group

Daniele Tampieri

5,288

modified 3 hours ago

7 votes

1 answer

390 views

Integer solutions of $2\cos\left(\frac{p\pi}n\right)+2\cos\left(\frac{q\pi}n\right)+4\cos\left(\frac{p\pi}n\right)\cos\left(\frac{q\pi}n\right)=1$

Daniele Tampieri

5,288

modified 3 hours ago

-1 votes

0 answers

67 views

Is the following family $\mathcal B$ $\mathcal I$-bounded?

Nur Alam

453

modified 4 hours ago

10 votes

2 answers

546 views

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Are topological PID's Noetherian?

Alex Ravsky

3,052

modified 4 hours ago

4 votes

0 answers

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A question related to Jordan's theorem on subgroups of $\mathrm{GL}_n(\mathbb{C})$

YCor

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modified 4 hours ago

2 votes

1 answer

108 views

Leaf holonomy of Reeb foliation on mobius strip

CommunityBot

1

modified 5 hours ago

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Is there an inventory of closed billiard paths in a regular tetrahedron?

Cosine Modulo $p$?

Question of pole and zeros of symmetric or exterior global $L$-function of $\mathrm{GL}_n(\mathbb{A})$

Normal modal Logic with finite proposition letters

Are these two representations of $SU(2)$ equivalent?

Is the Grothendieck construction a homotopy pullback?

A combinatorial identity counting shellings of $K_n$

Is there an abstract logic that defines the mantle?

How to find all linear transformations commuting with all elements of the image of an isotypic representation of a compact Lie group

Integer solutions of $2\cos\left(\frac{p\pi}n\right)+2\cos\left(\frac{q\pi}n\right)+4\cos\left(\frac{p\pi}n\right)\cos\left(\frac{q\pi}n\right)=1$

Is the following family $\mathcal B$ $\mathcal I$-bounded?

Are topological PID's Noetherian?

A question related to Jordan's theorem on subgroups of $\mathrm{GL}_n(\mathbb{C})$

Leaf holonomy of Reeb foliation on mobius strip

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