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Jul
19
asked Proof or source for this Hurwitz Zeta function identity?
Jun
25
answered Is there a formula to quickly express delayed functions in terms of finite differences?
Jun
15
asked Were there attempts to build a system of numbers where division by a negative number is greater than division by any positive number?
Jun
15
asked Modified division, hyperreal numbers and transfinite derivatives
Jun
14
asked Can any analytic function be represented as a sum of a Newton series and a periodic function?
Jun
14
asked If two functions are equal to their Newton series, is their composition also equal to its Newton series?
Jun
14
asked Best mathematical object to describe speed
Jun
14
asked Is composition of analytic functions itself analytic?
Jun
14
answered No extension to complex numbers?
May
27
asked Identify functions by their graphics
May
17
answered What makes elementary functions elementary?
Apr
28
asked Is it possible to extend the complex plane affinely and projectively at the same time?
Apr
18
asked How the extension of complex plane with complex infinity $\tilde{\infty}$ coexists with extension of real line with positive infinity $\infty$?
Mar
24
asked Is there a special name for pi-based finite difference?
Mar
20
asked What happens if to postulate that complex numbers whose argument differs by $2 \pi$ are not equal?
Mar
16
answered What is the arithmetic mean of all positive integers less than $1$?
Mar
16
answered Is it wrong to tell children that 1/0 = NaN is incorrect, and should be ∞?
Mar
5
asked If the operator is linear but diverges on the basis vectors, how to find its matrix?
Mar
5
asked Is there a name for the class of functions which are infinitely integrable in elementary functions?
Mar
5
answered What is series coefficient for $f(x)=\csc^2 x - \frac1{x^2}$?