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Mathematics
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Manos
  • Member for 13 years, 6 months
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answer
61
What is the difference between kernel and null space?
Nov 12, 2012
question
43
Proof that two bases of a vector space have the same cardinality in the infinite-dimensional case.
Jul 20, 2011
answer
42
Show that the direct sum of a kernel of a projection and its image create the originating vector space.
Dec 18, 2012
answer
41
Real life applications of Topology
Oct 18, 2011
answer
34
Union of preimages and preimage of union
May 5, 2012
answer
34
Structure of ideals in the product of two rings
Feb 11, 2016
answer
26
Real world applications of category theory
Feb 9, 2013
question
25
Topology induced by the completion of a topological group
Sep 8, 2012
answer
24
Is the inverse of a symmetric matrix also symmetric?
Mar 8, 2013
answer
22
$A$ is normal and nilpotent, show $A=0$
Sep 30, 2011
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bring attention to old questions which recently went on bounty
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zero homology of augmented Koszul complex implies the sequence is regular?
5
complexity of computing the singular vector corresponding to the smallest singular value