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Mathematics
Marc van Leeuwen's user avatar
Marc van Leeuwen's user avatar
Marc van Leeuwen's user avatar
Marc van Leeuwen
  • Member for 14 years
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About

professor of mathematics at the Université de Poitiers (France)

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answer
165
How to learn from proofs?
Jul 7, 2012
answer
91
Why doesn't induction extend to infinity? (re: Fourier series)
Jan 11, 2012
question
78
Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix
Aug 21, 2014
answer
75
Are "if" and "iff" interchangeable in definitions?
Nov 14, 2013
answer
75
Are $10\times 10$ matrices spanned by powers of a single matrix?
Sep 19, 2014
answer
72
Is $\mathbb{Z}[x]$ a principal ideal domain?
Sep 21, 2013
answer
66
Two dice thrown, one comes up 6
Aug 1, 2014
answer
60
How can I evaluate $\sum_{n=0}^\infty(n+1)x^n$?
Jan 15, 2014
answer
56
Sylvester rank inequality: $\operatorname{rank} A + \operatorname{rank}B \leq \operatorname{rank} AB + n$
Feb 9, 2013
question
52
Can commuting matrices $X,Y$ always be written as polynomials of some matrix $A$?
Mar 10, 2013

Top Meta posts

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10
Should any question that is [big-list] be community wiki?
9
Question deleted by OP for no apparent reason; how to find out why?
7
What to do when there are conflicting answers and I still don't know the correct answer to a question?
5
Only one answer allowed: which one to accept?

Top network posts

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99
Is there any concrete relation between Gödel's incompleteness theorem, the halting problem and universal Turing machines?
88
Does C++ compiler remove/optimize useless parentheses?
87
Is "women men girls love meet die" a valid sentence?
76
How do I pass a unique_ptr argument to a constructor or a function?
47
In C++11, does `i += ++i + 1` exhibit undefined behavior?