Danikar

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	location	Los Angeles, CA
	age	28
visits	member for	1 year, 6 months
	seen	4 hours ago
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25 Questions

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11	What do adjoints have to do with this problem?
7	Diagonalizable matrices with complex values are dense in set of $n\times n$ complex matrices.
7	Poisson Integral Formula help
5	Proving induction from basic recursion lemma
5	Continuously differentiable with constraint on gradient implies the function is convex

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1,321 Reputation

+10	Necessary and sufficient conditions for differentiability.
+5	$T$ exponential random variable, is $T - k$ a exponential random variable with same distribution as $T$ after a given time $k$?
+5	Diagonalizable matrices with complex values are dense in set of $n\times n$ complex matrices.
+5	For a one-to-one function is the pullback of a recursively enumerable set $f^{-1}[W_e] = W_{g(e)}$ where $g$ is one-to-one?

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20 Answers

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9	Evaluation of the double integral $\int_{[0,1]×[0,1]} \max\{x, y\} dxdy$
9	Are the Real numbers really Complete?
7	An example of a bounded countably infinite subset of the real numbers.
6	$\lim(\underset{k\rightarrow\infty}{\lim}(\cos(\|n!\pi x\|)^{2k}))=\begin{cases} 1 & \iff x\in\mathbb{Q}\\ 0 & \iff x\notin\mathbb{Q} \end{cases}$
5	Spivak Chapter 2, problems 27 (and 28)

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29 Tags

38 real-analysis × 11	6 logic × 2
10 complex-analysis × 4	5 abstract-algebra × 7
8 linear-algebra × 7	5 logarithms
8 analysis × 4	5 puzzle
7 homework × 3	3 general-topology

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