### Questions (63)

 9 Morphism epimorphism if and only if surjective 8 Existence theorem about the adjoint. 7 Showing matrices in $SU(2)$ are of form $\begin{pmatrix} a & -b^* \\ b & a^*\end{pmatrix}$ 5 Power series expansion of $\frac{z}{(z^3+1)^2}$ around $z=1$ 4 Stationary point of a functional

### Reputation (1,267)

 +10 Morphism epimorphism if and only if surjective +10 Transformation matrix for rotation about arbitrary axis +10 What is the meaning of $dA$ in double integrals? +10 Identity morphism requirement in categories

 7 What is the meaning of $dA$ in double integrals? 5 How do I solve $F = \nabla\times G$ for $G$? 4 Showing matrices in $SU(2)$ are of form $\begin{pmatrix} a & -b^* \\ b & a^*\end{pmatrix}$ 2 Stationary point of a functional 2 Matrix representation with respect to the dual basis.

### Tags (95)

 15 multivariable-calculus × 6 5 cross-product 8 calculus × 5 4 linear-algebra × 19 7 integration × 3 4 group-theory × 8 7 vector-analysis 2 elementary-set-theory × 4 5 ordinary-differential-equations × 13 2 euler-lagrange-equation × 2

### Bookmarks (34)

 807 How to study math to really understand it and have a healthy lifestyle with free time? [closed] 163 Transpose of inverse vs inverse of transpose 104 Why, intuitively, is the order reversed when taking the transpose of the product? 99 How to learn from proofs? 40 Expressing the determinant of a sum of two matrices?