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I'm an undergraduate student of mathematics in Germany, currently working on my bachelor thesis.


Jun
9
revised Proving those elliptic matrices in $\operatorname{SL}_2(ℤ)$ are not conjugate
made mistake visible
Jun
7
revised Proving those elliptic matrices in $\operatorname{SL}_2(ℤ)$ are not conjugate
added important piece of information
Jun
7
revised Proving those elliptic matrices in $\operatorname{SL}_2(ℤ)$ are not conjugate
re-edited question to contain my addition while removing unicode symbols
Jun
6
revised Chinese Remainder Theorem and matrix
expanded answer
Jun
6
revised Chinese Remainder Theorem and matrix
added a requisite
Jun
6
revised Chinese Remainder Theorem and matrix
expanded answer
Jun
1
revised In $ℤ/Nℤ$, which units are successors to zero divisors?
pointed out misformulation
May
31
revised In $ℤ/Nℤ$, which units are successors to zero divisors?
formatting
May
28
revised Representations of an integer as the sum of other integers
clearified question, improved formatting
May
27
revised Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge?
corrected mistakes
May
27
revised Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge?
expanded answer
May
27
revised Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge?
mistake correction
May
27
revised Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge?
better formatting
May
27
revised Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge?
added progress
May
27
revised Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge?
added solution for x > 0
May
27
revised Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge?
added problem description, changed credits
May
15
revised Does every smooth surjective function have a smooth right inverse?
progress update
May
14
revised Does every smooth surjective function have a smooth right inverse?
mistake correction
May
14
revised Does every smooth surjective function have a smooth right inverse?
made the question more structured, specific and readable
May
12
revised Proof: $f: A \to B$, if $f$ is bijection then $\forall a\in B \exists ! b\in A (f(b) = a) $
fixe typos