164 reputation
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location Berlin, Germany
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visits member for 3 years, 2 months
seen Nov 27 at 21:06

Nov
20
asked Normal subgroup invariant under $\text{Ad}_g$
Oct
29
comment Lie group as a subset of its Lie algebra
I added a reference where in particular this statement is "shown" for infinite-dimensional Lie groups. There is no hint on the relation between $\text{Lie}(\mathcal{G})$ and the tangent space.
Oct
29
revised Lie group as a subset of its Lie algebra
added 108 characters in body
Oct
29
revised Lie group as a subset of its Lie algebra
added 32 characters in body
Oct
29
asked Lie group as a subset of its Lie algebra
Sep
4
awarded  Critic
Sep
3
suggested rejected edit on In composition of two mappings, can the outer mapping access the arguments of the inner mapping?
Nov
24
asked Help on this example of gluing varieties
Aug
11
asked Degree and ramification index of a natural projection
Aug
4
asked Purpose of cusps
Jun
29
accepted High-order elements of $SL_2(\mathbb{Z})$ have no real eigenvalues
Jun
29
accepted Number of cusps of an modular curve $X_0(N)$
Jun
27
comment Number of cusps of an modular curve $X_0(N)$
math.lsa.umich.edu/~zieve/papers/modular_genus.pdf (p. 2)
Jun
27
revised Number of cusps of an modular curve $X_0(N)$
added link to lecture note
Jun
27
asked Number of cusps of an modular curve $X_0(N)$
May
27
asked How to see if these congruence groups are normal
Apr
29
asked Multiples of a point in a non-elliptic curve
Apr
16
asked High-order elements of $SL_2(\mathbb{Z})$ have no real eigenvalues
Feb
22
accepted Interpret the terms in Strang's second lemma
Feb
21
asked Interpret the terms in Strang's second lemma