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Mathematics
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kccu
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I am a fourth year graduate student at Cornell.

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36
Why is there a preference to use the cumulative distribution function to characterise a random variable instead of the probability density function?
Dec 12, 2019
35
If a regular polygon has a fixed edge length, can I know how many edges it has by knowing the length from corner to its center?
Jan 22, 2019
35
Is this an incorrect proof of $\cot (x)+\tan(x)=\csc(x)\sec(x)$?
Dec 7, 2017
20
A mathematical fallacy concerning the integrability of a function and cancellation
Dec 28, 2015
17
Example of a relation that is reflexive but not symmetric
Dec 27, 2015
12
Confusion about event in a sample space.
Jun 5, 2016
12
Why do some integrals and derivatives have absolute values?
Dec 11, 2016
11
Counterexample of the almost-inverse of the Fundamnetal Theorem of Calculus(Lebesgue).
Jan 1, 2016
11
Proof of "the continuous image of a connected set is connected"
Dec 13, 2015
10
Convolution of two Schwartz functions is Schwartz
May 1, 2018
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85% hydration tangzhong sourdough bread - what went wrong?