Mathematics
Yurii Savchuk's user avatar
Yurii Savchuk's user avatar
Yurii Savchuk's user avatar
Yurii Savchuk
  • Member for 10 years, 3 months
  • Last seen more than a month ago
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All Questions Answers
Score Newest
answer
53
Fibonacci numbers from $998999$
May 1, 2014
answer
20
Factorize the polynomial $x^3+y^3+z^3-3xyz$
Oct 29, 2013
answer
11
reference for operator algebra
Jul 23, 2013
answer
6
Densely injective bounded linear map that is not injective
Mar 19, 2014
answer
6
Show these two norms are not equivalent?
Dec 8, 2013
answer
5
Is the 3d Schwartz space isomorphic to a subspace of the 1d Schwartz space?
Feb 16, 2015
answer
5
Kernel of the closure of an unbounded operator
Aug 18, 2013
answer
5
What is the relationship between spectral resolution and spectral measure?
Oct 29, 2013
answer
5
Closed subspace of Hilbertspace
Nov 26, 2013
answer
4
Find the value of the integral $I=\int_{-\infty}^\infty e^\frac{-y^2}{2}~dy$ .
Jan 17, 2014
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12
Does every commutative $*$-algebra of operators on a prehilbert space have a character?
10
Sum of two essentially self-adjoint operators
6
What are the sub $C^*$-algebras of $C(X,M_n)$?

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