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Andreas Blass

US

http://www.math.lsa.umich.edu/~ablass

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Top Questions
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Top Answers
208
What are some examples of colorful language in serious mathematics papers?
mathoverflow.net

133
Why do we not have to prove definitions?
math.stackexchange.com

102
Mathematical “urban legends”
mathoverflow.net

91
Set theories without “junk” theorems?
mathoverflow.net

89
Is it “vita” or “vitae”? Why?
academia.stackexchange.com

81
Division by $0$ and its restrictions
math.stackexchange.com

71
not both $2^n-1,2^n+1$ can be prime.
math.stackexchange.com

71
Categories First Or Categories Last In Basic Algebra?
mathoverflow.net

68
Why don't authors include in their publications the duration of the research?
academia.stackexchange.com

59
Does every real function have this weak continuity property?
mathoverflow.net

54
How to politely reject a request for a letter of recommendation for a professor
academia.stackexchange.com

54
Doesn't the unprovability of the continuum hypothesis prove the continuum hypothesis?
math.stackexchange.com

53
What is Realistic Mathematics?
mathoverflow.net

50
Can proof by contradiction 'fail'?
math.stackexchange.com

48
Citing different papers which use different notation for the same concept,
academia.stackexchange.com

47
Should I mention my university name when publishing a paper if I'm tenured teacher but not researcher?
academia.stackexchange.com

47
Is it unethical of me and can I get in trouble if a professor passes me based on an oral exam without attending class?
academia.stackexchange.com

47
Is Euclid dead?
mathoverflow.net

46
Why are modular lattices important?
math.stackexchange.com

45
Should Professors and by extension their TA's, hold student athletes to the same standard?
academia.stackexchange.com

43
Why can't proofs have infinitely many steps?
mathoverflow.net

42
Kuratowski's definition of ordered pairs
mathoverflow.net

40
When factors may be cancelled in homeomorphic products?
mathoverflow.net

40
What can be proven in Peano arithmetic but not Heyting arithmetic?
mathoverflow.net

40
I solved their problem. Should I involve them?
academia.stackexchange.com

39
Set theories without “junk” theorems?
mathoverflow.net

37
Is it possible to revoke a conference paper after the rebuttal period?
academia.stackexchange.com

36
Why is it that many academic books are written by a different expert each chapter?
academia.stackexchange.com

36
How to cite earlier work, discovered only at the end, that claims similar results to a recently completed project?
academia.stackexchange.com

36
Can the symmetric groups on sets of different cardinalities be isomorphic?
mathoverflow.net

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