j0equ1nn's user avatar
j0equ1nn's user avatar
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j0equ1nn
  • Member for 12 years, 11 months
  • Last seen more than a month ago
22 votes
Accepted

What would you want to see at the Museum of Mathematics?

2 votes

How come Cartan did not notice the close relationship between symmetric spaces and isoparametric hypersurfaces?

2 votes
Accepted

Some general properties of arithmetic groups of simplest type

1 vote
Accepted

How many non-commensurable non-arithmetic manifolds have a quaternion algebra like this?

0 votes

How should we define $\mathrm{PSL}_2$ of a Clifford group?

0 votes
Accepted

How should we define $\mathrm{PSL}_2$ of a Clifford group?

0 votes
Accepted

Trace field of a hyperbolic $3$-manifold with a totally geodesic subsurface

0 votes
Accepted

Does this count as a canonical decomposition for non-elementary hyperbolic 3-orbifolds?

0 votes
Accepted

Real slices of Minkowski space, using a complex quadratic form

0 votes
Accepted

How can we explicitly verify a canonical Dirichlet domain for this hyperbolic punctured torus

0 votes
Accepted

Definition of level N congruence subgroup of an arithmetic group, useful for computations

0 votes
Accepted

Frohman & Fine's proof about Bianchi groups as HNN extensions (or anyone else's)