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ARG
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19 Answers

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11 votes
Accepted

How to understand the combinatorial Laplacian $\Delta$ which is defined on the graph?

8 votes

Intuitively, what does a graph Laplacian represent?

5 votes

Folner sets and balls

4 votes

Invertibility of group Laplacian in $\ell^1$

4 votes
Accepted

Random walk and isoperimetric constant

4 votes

Which 3-regular graphs are Schreier coset graphs?

4 votes

Is there more than one pseudo-Catalan solid?

4 votes

Units in the group ring over fours group after Gardam

4 votes

Units in the group ring over fours group after Gardam

4 votes

Noteworthy, but not so famous conjectures resolved recent years

2 votes

Spectral radius of a finitely generated group

2 votes

Folner sequences of amenable groups of exponential growth

2 votes

When can the Cayley graph of the symmetries of an object have those symmetries?

1 vote
Accepted

Estimates for simple random walks in groups of intermediate growth

1 vote

Can the isoperimetric dimension of a d-generated group attain any value?

1 vote

Difference in chromatic number between Schreier coset graphs and Cayley graphs

1 vote

Is there more than one pseudo-Catalan solid?

1 vote

Følner sequences with weird shapes

0 votes

Estimate on currents in Cayley graphs