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Mathematics
Karatuğ Ozan Bircan's user avatar
Karatuğ Ozan Bircan's user avatar
Karatuğ Ozan Bircan's user avatar
Karatuğ Ozan Bircan
  • Member for 13 years, 2 months
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43
Coffee Break Riddle
Jan 27, 2012
answer
33
Which sequences converge in a cofinite topology and what is their limit?
Nov 6, 2011
question
24
$f: \mathbf{R} \rightarrow \mathbf{R}$ monotone increasing $\Rightarrow$ $f$ is measurable
Nov 5, 2012
answer
20
Real life applications of Topology
Jan 22, 2012
question
15
Space of homeomorphisms Homeo$(S^1)$ of $S^1$ deformation retracts onto $O(2)$
Mar 4, 2013
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13
Ring theory exercises at the graduate level
Jan 2, 2012
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13
$\int_X |f_n - f| \,dm \leq \frac{1}{n^2}$ for all $n \geq 1$ $\implies$ $f_n \rightarrow f$ a.e.
Jan 6, 2013
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13
Who are some forgotten mathematicians?
Nov 12, 2011
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12
Is the power set of the natural numbers countable?
Oct 31, 2011
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11
Given any Group G, is there a topological space whose fundamental group is exactly G?
Nov 3, 2012
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Reference on representations of knot groups
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Why do type 1 diabetics experience hypoglycemia?