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Alexander

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Questions (140)

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7	What is the topological properties of $\mathbb R $ that makes it uncountable (as compared to $\mathbb Q $)?
7	How to show that $\frac{x^2}{x-1}$ simplifies to $x + \frac{1}{x-1} +1$
6	Can $\le$ be used insted of < in the definition of continuity?
6	Prove the inequality $\|xy\|\leq\frac{1}{2}(x^2+y^2)$ [duplicate]
5	Holomorphically simply connected implies simply connected

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6	Equivalence of definition of measure concentrated on a set $A $
1	If $f $ is right continuous at $c $, can I claim that $\|sup _{x \in [c,x _i ]} f(x) -inf_{x \in [c,x _i ]}f(x)\|<\epsilon $?
1	Is $\epsilon _{X_i}(I_n) $ an other notation for the indicator function?

Tags (63)

6 measure-theory × 30	0 elementary-set-theory × 12
1 real-analysis × 33	0 probability-theory × 10
1 notation × 3	0 complex-analysis × 9
0 general-topology × 17	0 sequences-and-series × 8
0 calculus × 13	0 inequality × 8

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	Seasoned Advice	101 rep	1 bronze badge
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all time			by type			month		week
545	up		144	question		4		4
0	down		401	answer		4		4

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