I am a math graduate student.
46 What is integration by parts, really? jun 9 '14
12 Definition of convolution? mar 16 '14
11 How were 'old-school' mathematics graphics created? jun 26 '14
8 Why is the Leibniz rule a sufficient ingredient in the construction of the tangent space? sep 1 '14
8 Geometric meaning of intersection multiplicities? oct 25 '14
8 Why is tensoring a functor? On objects, it is only defined up to isomorphism… also fiber products… 8h ago
7 Non-computational proof that $\det(A)$ is a unit in $R$ implies $A$ is a unit, for $A \in M_n(R)$. jun 9