martini

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15,181 reputation

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bio	website	jungenschaft-hohenstaufen.de
	location	Berlin, Germany
	age	32
visits	member for	1 year, 8 months
	seen	12 hours ago
stats	profile views	959

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488 Answers

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26	$x$, $y$, $x+y$ and $x-y$ are prime numbers. What is their sum?
15	Father and daughter river crossing puzzle.
12	Let $n$ such that $\displaystyle{2^{n-2005}} \| n!$
11	Let $a,b \in {\mathbb{Z_+}}$ such that $a\|b^2, b^3\|a^4, a^5\|b^6, b^7\|a^8 \cdots$, Prove $a=b$
9	What am I doing wrong in calculating this determinant?

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15,181 Reputation

+10	Find triple functions $ (g_0,g_1,g_2)$ such that $g_0+g_1'+g_2'' = \delta_0-\delta_1$
+85	On proving $\ker(TT^+T^T)=\ker(T^*)\cap \ker(T)$
+35	Geometric sequence, finding the first term using only the sum, the number of terms and value of one term.
+10	Why does a Lipschitz function $f:\mathbb{R}^d\to\mathbb{R}^d$ map measure zero sets to measure zero sets?

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176 Tags

132 real-analysis × 60	55 general-topology × 27
122 homework × 54	49 calculus × 26
115 functional-analysis × 54	42 measure-theory × 22
107 linear-algebra × 56	40 limit × 15
70 elementary-number-theory × 14	39 analysis × 20

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$Mathematics Stack Exchange$	Mathematics	15,181 rep	1128
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$TeX - LaTeX Stack Exchange$	TeX - LaTeX	101 rep	2
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Caucus × 2	Nice Answer × 4
linear-algebra	homework
Reviewer	Civic Duty
functional-analysis	real-analysis

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