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jjcale
  • Member for 13 years, 3 months
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18
Is the linear span of special orthogonal matrices equal to the whole space of $N\times N$ matrices?
Sep 11, 2018
answer
14
Examples of theorems with proofs that have dramatically improved over time
May 3, 2012
answer
14
What is a good method to find random points on the n-sphere when n is large?
Jul 10, 2013
answer
13
Does Physics need non-analytic smooth functions?
Nov 26, 2012
question
10
Complement of a subspace which is a cartesian product
Nov 22, 2011
answer
8
Projections in Banach spaces
Nov 18, 2012
question
7
Do non-normal states exist in the Solovay model?
May 25, 2015
question
7
A conjectured trace inequality for some products of powers of matrices
Aug 11, 2017
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7
Well known matrix inequality?
May 13, 2018
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7
What are the possible eigenvalues of these matrices?
Mar 5, 2018
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9
The Unruh effect for temporarily accelerated particles
6
Example of compact operators in quantum mechanics
5
Do other particles besides scalars admit tachyonic solutions?
5
Why are the inner products of the eigenfunctions of an operator with a discrete eigenvalue spectrum guaranteed to exist?