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56 votes

Why does Taylor’s series “work”?

classical-mechanics mathematics analyticity asked May 15, 2019 at 8:21
physics.stackexchange.com

28 votes

Why use Fourier series instead of Taylor?

fourier-transform mathematics calculus asked Nov 9, 2019 at 15:15
physics.stackexchange.com

12 votes

What form of choice is "every Dedekind-finite set is finite" equivalent to?

set-theory axiom-of-choice asked Aug 25, 2020 at 20:13
math.stackexchange.com

12 votes

Is the metric topology determined by its convergent sequences?

sequences-and-series general-topology metric-spaces asked Feb 18 at 2:55
math.stackexchange.com

11 votes

Is there a maximal ordered field? What about $\mathbb R$?

field-theory real-numbers ordered-fields asked Aug 16, 2022 at 15:35
math.stackexchange.com

8 votes

What does Paul Halmos mean here?

set-theory axioms asked Jun 14, 2019 at 19:31
math.stackexchange.com

8 votes

Is continuity of the wavefunction "put in by hand" for the Dirac delta potentials?

quantum-mechanics wavefunction mathematical-physics schroedinger-equation dirac-delta-distributions asked Nov 15, 2020 at 19:39
physics.stackexchange.com

6 votes

Why overfull in terms of pts and underfull in terms of badness?

tex-core plain-tex warnings overfull underfull asked Jul 19, 2023 at 13:43
tex.stackexchange.com

6 votes

Continuously extending a function

general-topology limits continuity asked Jan 16, 2023 at 14:59
math.stackexchange.com

5 votes

An example when $(U^\perp)^\perp = U$ but $V\ne U\oplus U^\perp$?

linear-algebra functional-analysis inner-products orthogonality direct-sum asked Oct 16, 2022 at 19:39
math.stackexchange.com

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