guido giuliani

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8 Favorites

added views newest activity votes

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kviews

Norms on C[0, 1] inducing the same topology as the sup norm

homework real-analysis functional-analysis banach-spaces

jul 7 '11 at 5:34 t.b. 43.2k

7

19

votes

2

answers

1

kviews

Is there a continuous bijection from $\mathbb{R}$ to $\mathbb{R}^2$

homework general-topology

jun 30 '11 at 2:07 Aryabhata 47.7k

6

9

votes

3

answers

424

views

Divided differences and differentiability

analysis

aug 30 at 19:30 Einar Rødland 1,631

1

8

votes

1

answer

623

views

Is it true that a space-filling curve cannot be injective everywhere?

analysis general-topology

mar 5 at 17:31 Seirios 8,967

1

5

votes

3

answers

118

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Is $x_n(t) = t^n$ for $n\ge 1$ dense in $L^1[0,1]$?

real-analysis functional-analysis measure-theory

aug 30 at 12:22 Sam 6,954

3

4

votes

2

answers

893

views

Spectrum of Indefinite Integral Operators

functional-analysis spectral-theory integral-equations

mar 26 at 22:35 azimut 5,588

4

3

votes

1

answer

81

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Min/Max of $f_{n}(x)=\lim_{n\to\infty}\frac{(n^{x+1}+1^{x})(n^{x+1}+2^{x})\cdots(n^{x+1}+n^{x})}{(n^{x+1}-1^{x})(n^{x+1}-2^{x})\cdots(n^{x+1}-n^{x})}$

calculus real-analysis

aug 28 at 9:23 Greg Martin 7,758

1

2

votes

2

answers

280

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Proving inequality $\sqrt{\frac{2a}{b+c}}+\sqrt{\frac{2b}{c+a}}+\sqrt{\frac{2c}{a+b}} \leq \sqrt{3 \left(\frac{a}{b}+\frac{b}{c}+\frac{c}{a}\right)}$

inequality

sep 8 at 15:47 Zarrax 19.7k

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