Alka Goyal

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12 Questions

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4	What is rank of $f(A)$, where $f$ is the minimal polynomial of $A$?
4	The Green’s function of the boundary value problem
3	Necessary condition for the integral equation $u(x) = f(x)+\lambda\int K(x,t)u(t)dt$ to have a continuous solution?
2	What is the rank of a linear map $T$ on the space of $n\times n$ matrices such that $T(A)=0$ for any symmetric or skew-symmetric matrices?
1	S(x+iy)= (ax+by)+i(cx+dy)

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110 Reputation

+5	What is rank of $f(A)$, where $f$ is the minimal polynomial of $A$?
+5	What is the rank of a linear map $T$ on the space of $n\times n$ matrices such that $T(A)=0$ for any symmetric or skew-symmetric matrices?
+5	How do I find the number of group homomorphisms from $S_3$ to $\mathbb{Z}/6\mathbb{Z}$?
+5	The Green’s function of the boundary value problem

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2 Answers

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0	the Green function $G(x,t)$ of the boundary value problem $\frac{d^2y}{dx^2}-\frac{1}{x}\frac{dy}{dx} = 1$
0	Eigenvalues of complex $2×2$ matrices

11 Tags

0 linear-algebra × 6	0 finite-groups
0 differential-equations × 3	0 finite-fields
0 integral × 2	0 complex-analysis
0 group-theory	0 homework
0 abstract-algebra	0 cyclic-groups

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