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visits member for 3 years, 2 months
seen Dec 6 at 8:05

Nov
19
asked fundamental group and covering space
Jul
28
asked Question on Forster's proof of the residue theorem
Jul
18
asked Why $F \leq F' \; \Leftarrow \; \forall x \in X \; F_x \subseteq F'_x$?
Jun
24
asked Has any error ever been found in Euclid's elements?
Jun
18
asked A condition for a homogeneous ideal to be prime
Jun
5
asked Why is it Artinian?
May
5
asked Proof of a corollary of the Noether normalisation lemma
Apr
11
asked If $X \times \{0\} \cup A \times I$ is closed in $X \times I$. Then, is $A$ closed in $X$?
Apr
11
asked Is the length of the composition series of a free module identical to the number of its bases?
Mar
22
asked If a chain of distinct irreducible closed subsets of a quasi-affine variety $Y$ is maximal, a chain of their closures is maximal in $\overline{Y}$?
Mar
7
asked Isomorphism of an extension field of a field of finite transcendence degree
Feb
5
answered If a neibourhood of the origin shrinks to the origin then its closure also shurinks to the origin?
Jan
31
asked The kernel of homomorphism of a local ring into a field is its maximal ideal?
Jan
31
asked If a neibourhood of the origin shrinks to the origin then its closure also shurinks to the origin?
Jan
17
asked The number of possible extensions of an embedding of a field into a algebraically closed field.
Dec
6
asked Question about extensions of homomorphisms
Nov
30
answered Triangle inequality of a metric on a quotient space of a topological vector space
Nov
25
asked Triangle inequality of a metric on a quotient space of a topological vector space
Nov
9
asked Reference request for quadratic form diagonalization
Nov
9
asked A question about the proof of the open mapping theorem in “Functional Analysis” by Rudin