List questions from formal-power-series | MathQa

Prove that ${\sum _{n=0} \binom{2n}{n} x^n} = \frac{1}{\sqrt{1-4x}}$

Published on 31 Dec 2024 - 14:38

Is the ring of formal power series in infinitely many variables a unique factorization domain?

Published on 12 Jan 2025 - 23:41

Looking for a definition of R[[G]], i.e. formal power series on groups

Published on 12 Jan 2025 - 9:13

How to prove the well-definedness of infinite sums of formal power series

Published on 12 Jan 2025 - 9:13

Reconstructing formal groups from the p-map, realizing p-maps from formal group

Published on 12 Jan 2025 - 8:59

Isomorphisms of the ring of truncated polynomials over the complex numbers

Published on 12 Jan 2025 - 9:13

Uniqueness of maximal ideals in factor rings of formal power series

Published on 12 Jan 2025 - 9:13

First five terms of power series

Published on 12 Jan 2025 - 9:13

Proving Hensel's Lemma for the ring of formal power series over the complex numbers

Published on 12 Jan 2025 - 9:13

Non-solvable polynomial over a PID

Published on 12 Jan 2025 - 9:13