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Jun
18
asked Example of a function that has fractional derivatives of order less than 1 but not 1
May
17
asked Can these integrals be represented in closed form?
May
17
asked Concerning Hurwitz Zeta function, how to prove the following identity?
May
6
answered Comparing infinite numbers
May
6
asked Compare density of rationals to the density of integers
Apr
25
asked What do you call the subset of all the Gaussian integers having the smallest magnitude given an argument?
Apr
25
asked Is $\sum_{k=-\infty}^{0}f(-k)=\sum_{k=0}^{\infty} f(k)$ always?
Apr
23
answered Sum of the Harmonic Series?
Apr
6
asked Proof that derivative operator cannot be written in terms of composition operator (without limits)
Apr
4
asked $\gamma=0$? Where is my error?
Apr
2
asked How to solve the following equation? $\left(\sqrt{u^2-1}+u\right)^{1/u}=\pi ^{1/\pi }$
Mar
28
asked Proof that $\lim_{x\to 0^+}{\sin \frac1x}=\sin \left(\frac{1}{2}\right)-\frac 12 \text{Ci}\left(\frac{1}{2}\right)$
Mar
28
asked Find limit $\lim_{a\to 0} \, \frac{\left(a^{2 \varepsilon }-1\right) a^{x-\varepsilon }}{2 \varepsilon \log (a)}$
Mar
28
answered Given this operator what is inverse operator?
Mar
28
asked Given this operator what is inverse operator?
Mar
25
asked General form for series coefficient of Taylor series expansion of $(x+1)^{1/x}$
Mar
25
asked Has anybody ever considered “full derivative”?
Mar
18
answered When $f(x+1)-f(x)=f'(x)$, what are the solutions for $f(x)$?
Mar
17
asked Why hyperreal numbers are built so complicatedly?
Mar
15
asked What special role plays the function $\pi^{\frac x\pi}$ in analysis?