Top network posts
- 12 Show that a convex compact set in $R^2$ can be cut into 4 sets of equal area by 2 perpendicular lines
- 10 Why is some power of a permutation matrix always the identity?
- 10 How come rearrangement of a convergent series may not converge to the same value / or does not converge at all
- 9 Why is "A free group on more than one generator is not abelian." true?
- 6 Finding the rank of the matrix directly from eigenvalues
- 5 Problem with the definition of a discrete topology
- 5 Is it required that an $f$ should be continuous on the interval $I$ to have an antiderivative $F$
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