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Anixx
  • Member for 13 years, 5 months
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28 votes
1 answer
2k views

Has anybody ever considered "full derivative"?

20 votes
3 answers
6k views

Evaluate definite integral $\int_{-1}^1 \exp(1/(x^2-1)) \, dx$

17 votes
0 answers
531 views

Is this similarity just a coincidence?

16 votes
1 answer
211 views

Is there a name for the class of functions which are infinitely integrable in elementary functions?

14 votes
4 answers
2k views

How this operation is called?

14 votes
2 answers
2k views

What are the consequences if Axiom of Infinity is negated?

11 votes
1 answer
900 views

Can derivative of Hurwitz Zeta be expressed in Hurwitz Zeta?

10 votes
3 answers
722 views

Why hyperreal numbers are built so complicatedly?

8 votes
2 answers
485 views

Is there an easier way to find the "natural" integration constant?

7 votes
2 answers
808 views

Dirac Delta definition in non-standard analysis?

7 votes
2 answers
420 views

What is Eulerian?

7 votes
2 answers
2k views

Tractrix-like curves

7 votes
1 answer
471 views

Concerning Hurwitz Zeta function, how to prove the following identity?

7 votes
3 answers
561 views

How to sum up this series? $\sum_{n=1}^\infty\frac{(-1)^{n-1} B_n}{n}$

7 votes
3 answers
455 views

Is split-complex $j=i+2\epsilon$?

6 votes
2 answers
479 views

Sex distribution

6 votes
1 answer
2k views

Closed form for sine graphic rotated by 45 degrees?

6 votes
2 answers
195 views

Are there any good examples from other math fields or intuition supporting $\int_0^1\frac1xdx=\int_1^\infty\frac1xdx$?

6 votes
0 answers
148 views

What's the intuitive meaning of this relation between volumes of $n$-balls and umbral calculus?

5 votes
2 answers
140 views

These functions are very similar. Is there an explanation?

5 votes
3 answers
485 views

Where to find reference about dealing with operators in form of matrices?

5 votes
1 answer
621 views

Why some differential equation can be solved while similar difference equations cannot?

5 votes
7 answers
566 views

Is $0^0=1$ postulate independent of all other axioms of complex numbers?

5 votes
2 answers
202 views

How is called the class of functions whose inverse function is a polynomial?

5 votes
0 answers
460 views

Connection between Bernoulli polynomials and polygamma function

5 votes
1 answer
251 views

Measure of value of resources in a competitive game

5 votes
1 answer
2k views

How to interpolate a sequence?

5 votes
2 answers
133 views

Evaluate the double integral $\int _0^1\int _0^1\frac{x+i}{(1-ix y) \ln (x y)} \,dx\,dy$

5 votes
1 answer
2k views

What are the negative-dimentional n-sphere and n-cube?

5 votes
1 answer
851 views

Can there be a geometry where angles can be infinite?

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