4 Determinant of tridiagonal (banded) matrix 3 If $F_m$ is the set of germs which vanish at the mainfold poin $m$, what is meant by $F_{m}/F_{m}{}^2$? 3 Expected value of the trace of a matrix 2 Proving $\overline{\ker(A-\lambda {\rm Id})^{r}} = \ker(A-\overline{\lambda}{\rm Id})^{r}.$ 2 Invariant subspaces of vector space.

### Reputation (907)

 +20 Proving $\overline{\ker(A-\lambda {\rm Id})^{r}} = \ker(A-\overline{\lambda}{\rm Id})^{r}.$ +25 Why does the maximum modulus principle hold intuitively? +25 If $F_m$ is the set of germs which vanish at the mainfold poin $m$, what is meant by $F_{m}/F_{m}{}^2$? +15 Green's Function for the Laplacian in 3D

### Questions (4)

 3 Is the Cesàro summation of a sequence divergent to infinity divergent? 1 Proving this connection is actually the Levi-Civita connection. 0 Derivative yields a Dirac function. 0 Ricci tensor in killing vector direction (Coordinate notation)

### Tags (67)

 10 linear-algebra × 6 4 calculus × 3 6 probability × 5 4 complex-analysis × 3 6 matrices × 3 4 manifolds × 3 5 multivariable-calculus × 5 4 general-topology × 3 5 abstract-algebra × 2 4 linear-transformations × 2

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