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Apr
22
answered Given a normed space $X$ and $A:X\to\mathbb R$, how can I compute the second Fréchet derivative of $f(t):=A(x_0+th)$ for some $x_0,h\in X$?
Apr
1
answered Intersection of nested compact sets in a Hausdorff space
Apr
1
answered How many numbers are possible from $a^x b^y c^z$?
Apr
1
answered $x$ and $f(x)$ are linear dependent then $f(x) = kx$.
Mar
30
answered Differentiating between standard and non-standard interpretations of 'less than' relation
Mar
24
answered Quotients of $L_1$
Mar
24
answered Show $\sum_{k=1}^\infty \frac{k^2}{k!} = 2\mathrm{e}$
Mar
23
answered Hölder space continuously embeds into $L^2$ space?
Mar
23
answered Prove the function is a homeomorphism.
Mar
23
answered Prove that $\lim_{x\to\infty} \frac{1}{x}\int_0^xf(t)dt$ exists and find it, where $f(t)$ is an alternating function.
Mar
23
answered Different limits convergence L2 and a.s.
Mar
23
answered How To differentiate this integral
Mar
23
answered Can you give example of unbounded sequence with convergent subsequence?
Mar
23
answered How to prove that $\max(\min(g,M),-M)$ is close to $f$, given $g$ is close to $f$
Mar
23
answered Norm of the Dual Transform = Norm of the Transform?
Mar
22
answered Verifying if a function is a.e. equal to a continuous function then it is continuous a.e.
Mar
22
answered Find $b$ such that $\log_b(x)$ and $\log_b(y)$ are integers.
Mar
22
answered Exercise on separable Hilbert spaces and orthonormal system
Mar
22
answered convolution: how can I show that $(y*f)'(t) = (y'*f)(t) + y(0)f(t)$
Mar
22
answered $\sum_n |x_n||y_n| < \infty$ for all $(x_n) \in l^3$ implies $(y_n) \in l^{3/2}$