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NotaChoice
  • Member for 3 years, 6 months
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4 votes

$c$ and $c_0$ are not isometrically isomorphic

1 vote

Solve $x^2y''+xy'+y=0$ using the power series

1 vote

In how many ways can three groups of two tennis players be seated in a row if no two members of the same group are adjacent?

1 vote

a lemma for Lebesgue outer measure

1 vote

Torsion free modules, free modules

1 vote

Space of linear, continuous, hyperbolic functions is open, dense in the set of invertible functions

1 vote

Sum binomial coefficients

0 votes

Show that the Niemytzki's tangent disc topology is completely regular.

0 votes

The proof of $S(gh)=S(h)S(g)$ of an antipode in Hopf algebras

0 votes

Help understanding PDE

0 votes

Question on the self-adjointness of an operator

0 votes

A condition for uniqueness of solution

0 votes

How to prove lim sup $\exp\left(-\cos n\right)$

0 votes
Accepted

Meaning of norm at infinity

0 votes

Minimal polynomial of $\sqrt{1+\sqrt{2}}$ over $\mathbb{Q}$

0 votes

Numerical solutions to wave equation

0 votes

Prove a unique point satisfies $\theta f(p)=f(q)$ if $\theta: C(X)\rightarrow C(Y)$ denotes an isomorphism of complex algebra

0 votes

stability of a numercial scheme for a hyperbolic system?

0 votes

Solving first order linear ODE numerically

-1 votes

Find an infinite family of operators that are not pairwise unitarily equivalent