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Mathematics
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jnyan
  • Member for 7 years, 10 months
  • Last seen more than a month ago
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44
Why is it that if "A is sufficient for B" then "B is necessary for A"?
Sep 19, 2016
13
Preimage of a compact set
Oct 28, 2016
8
A Problem from BdMO 2016 Regionals
Dec 26, 2016
5
Must subgroups sharing a common element be nested in each other?
Oct 17, 2016
5
Group of symmetric invertible matrices
Oct 22, 2016
4
Drawing all diagonals of a regular polygon
Sep 11, 2016
4
If A and B are subspaces of a vector space, then dim A < dimB, implies A is contained in B. Is this statement True?
Sep 5, 2016
4
linear independence of column vectors guarantees unique solution?
Dec 6, 2017
3
A sequence $\{a_n\}$ that diverges but $\displaystyle\lim_{n\to 0} |a_n-a_{n+1}| =0$
Dec 11, 2016
3
What is the fewest number of squares required to cover a $11\times13\text{ cm}$ rectangle without overlap?
Sep 9, 2016