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12
Which is the “fastest” paper-pencil method to compare $\sqrt[17]{6}$ and $\sqrt[16]{4}$?
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11
A kind of converse of Lagrange's Theorem
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11
Is there any matrix $2\times 2$ such that $A\neq I$ but $ A^3=I$
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9
Book/tutorial recommendations: acquiring math-oriented reading proficiency in German
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9
Is my proof that $(A^n)^{-1} = (A^{-1})^n$ correct?
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9
Regular Polyhedrons
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8
If $f$ and $g$ integrable then $\max\{f,g\}$ is?
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8
An example for a calculation where imaginary numbers are used but don't occur in the question or the solution.
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7
Does the operation of $G/A$ on $A$ by conjugation just give a trivial homomorphism?
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6
Is non-standard analysis worth learning?
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6
Reference for Quantum groups
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6
Meaning of, and how to verify, a vector space *over* $\mathbb{R}$
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6
Largest Normal subgroup
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6
Dihedral Group - Internal Direct Product
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6
Why do these two presentations present the same group?
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6
Pseudo Proofs that are intuitively reasonable
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5
Isomorphism between group algebras
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5
Let a|c and b|c such that gcd(a,b)=1, Show that ab|c
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5
What do higher cohomologies mean concretely (in various cohomology theories)?
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5
Two questions about $KG$-modules
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5
Small Question on the Tor functor
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5
Wedge product of Hochschild Cohomology classes in characteristic 2
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5
Elementary books by good mathematicians
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