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Jim
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61
Do factorials really grow faster than exponential functions?
Apr 5, 2013
47
What is the meaning of the expression Q.E.D.? Is it similar to ■ appearing at the end of a theorem?
Feb 19, 2015
40
To prove Cayley-Hamilton theorem, why can't we substitute $A$ for $\lambda$ in $p(\lambda) = \det(\lambda I - A)$?
Feb 10, 2015
40
Lie algebra: why does it have to be the tangent space at the IDENTITY of a Lie group?
Mar 20, 2014
39
If $A,B$ have eigenvalues $\pm1$, what can I say about the eigenvalues of $AB,BA$?
Mar 18, 2014
38
Why is it necessary for a ring to have multiplicative identity?
Sep 2, 2015
33
Do matrices $ AB $ and $ BA $ have the same minimal and characteristic polynomials?
Feb 22, 2013
30
What is the difference between Cartesian and Tensor product of two vector spaces
Mar 13, 2014
28
Finding all homomorphisms between two groups - couple of questions
Dec 24, 2013
25
A pedantic question about notation -- "such that" symbols
Feb 3, 2015
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How do I delete the Chrome App Launcher?