Questions (20)

 8 If the cardinality of $f^{-1}$ is at most $f(x)^2$ then $f$ is differentiable almost everywhere. 8 $\int \frac{1}{f’(x)}$ diverges 6 If $f$ takes every value at most $k$ times, then f is differentiable almost everywhere. 5 Zeroes of $\sin(z)-z^2$ 4 Radon-Nikodym derivative of a finitely additive measure

Reputation (541)

 +5 Law of a stochastic processes with continuous path +35 $\sigma$-algebra generated by all countable and co-countable sets +5 Measure of the set $\{x\in [0,1]: \text{the decimal expansion of } x \text{ contains infinitely many 7.} \}$. +5 If the cardinality of $f^{-1}$ is at most $f(x)^2$ then $f$ is differentiable almost everywhere.

 4 How to solve this sequence $165,195,255,285,345,x$ 3 What is the difference between an inner product space and an Algebra over a field? 2 $\sigma$-algebra generated by all countable and co-countable sets 2 let $M$ be a Hermitian matrix of order $n\times n$ with rank $k (\neq n)$ 1 Proof of Euclidian Algorithim from Terrence Tao's Analysis 1

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 4 pattern-recognition 2 linear-algebra 4 sequences-and-series 1 probability × 3 4 problem-solving 1 number-theory 3 abstract-algebra 1 analysis 2 measure-theory × 6 1 functions

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