Mathematics
fred goodman's user avatar
fred goodman's user avatar
fred goodman's user avatar
fred goodman
  • Member for 9 years, 4 months
  • Last seen more than a month ago
  • Iowa City, IA
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Professor (emeritus) at the University of Iowa.

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All Questions Answers
Score Newest
answer
17
Can there be an onto homomorphism from a ring without unity to a ring with unity?
Feb 19, 2018
answer
13
Scaling of Lebesgue measure under a linear transformation and the volume of a parallelepiped.
Feb 3, 2018
question
12
Scaling of Lebesgue measure under a linear transformation and the volume of a parallelepiped.
Feb 3, 2018
answer
7
Does $\text{null } T^m = \text{null }T^{m+1}$ if and only if $\text{range } T^m = \text{range }T^{m+1}$ hold in infinite dimensional vector spaces?
Feb 13, 2018
answer
6
Lie group empty boundary
Feb 20, 2018
answer
5
Is the definition of the binary operation of a group intrinsic to the set elements?
Feb 13, 2018
answer
5
Can there be an onto homomorphism from a ring without unity to a ring with unity?
Feb 19, 2018
answer
5
Compactness for finer topology
Feb 23, 2018
answer
4
How many ways can a drummer with a varying amount of limbs play?
Jan 25, 2018
answer
4
Is a $*$-representation $\pi:A\to B(H)$ non-degenerate iff $\overline{\pi(A) B(H)} = B(H)$?
Jan 27, 2018
Top Meta posts
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29
A better taxonomy of unacceptably bad questions.
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8
Usage of set theory in undergraduate studies
6
Reference for a Maschke lemma for crossed products
6
Software for BMW algebra calculations?
5
Is $F[G\wr S_n]$ a cellular algebra ?

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