Ting Zhang

3 Questions 1 Answers 0 Followers

Questions related from Ting Zhang

How to prove the following lemma for the inequality determining a facet of a polyhedron?

Lemma. Let P be a polyhedron (convex, but not necessarily compact), p a point on a facet Φ of P, and f a nonzero affine-linear function vanishing at p. If Φ contains a neighborhood of p in...

last month 7,841 0 View

Recommand for some books about vector bundles, toric bundles, stable bundles?

I want to understand the paper "Klyachko-Stable bundles, representation theory and Hermitian operators-1998" now, but I know nothing about vector bundle, torus bundle and stable bundles. Please...

last month 9,543 2 View

Eigenvalues of matrices whose sum is zero and they have the common eigenvalue?

Let S be a semi-definite matrix, W_i an orthogonal matrix, i=1,2,3. If S+W_1S^W_1^T+W_2S^W_2^T+W_3S^W_3^T=I is an identity, then give all the conditions that the eigenvalues of matrix S satisfy.

25 June 2025 9,869 2 View