Proof that you can win at least half the money.

exp(log + log) for positive semidefinite matrices

Justifying the "Physicist's method" for ODEs using differential forms

Are we still Researching the Foundations of Math?

The equation $\sigma(n)=\sigma(n+1)$

Rank of SO(3) and SO(4)?

Is this matrix surjective? Textbook dispute

Quadrilateral in quarter circle

Does $p \mid \frac{|{\rm{Stab}}(Q)|}{|\bigcap_{P\in {\rm{Syl}}_p(G)}{\rm{Stab}}(P)|}, \space\forall Q \in \operatorname{Syl}_p(G)$?

Is $\sin(\alpha)=\frac{\tan(\alpha)}{\sqrt{1+\tan^2(\alpha)}}$ a true statment?

Various examples of non-representable functors

Limit of an accumulation function(integral involved)

Map from polynomial to polynomial function

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