Zhongshan Li

发表

Minimum ranks of sign patterns and zero–nonzero patterns and point–hyperplane configurations

Wei Gao, Wei Fang, Yubin Gao, 2018, Linear Algebra and its Applications.

Sign patterns of J-orthogonal matrices

Frank J. Hall, M. Rozložník, Zhongshan Li, 2017 .

On the number of vertices of the stochastic tensor polytope

Fuzhen Zhang, Xiaodong Zhang, Zhongshan Li, 2017, 1702.04288.

Minimum ranks of sign patterns via sign vectors and duality

Frank J. Hall, H. Holst, Zhongshan Li, 2013, 1312.6048.

Rational solutions of certain matrix equations

Frank J. Hall, Zhongshan Li, B. Rao, 2009 .

Sign patterns with minimum rank 2 and upper bounds on minimum ranks

Frank J. Hall, Wei Gao, Yubin Gao, 2013 .

Ranks of dense alternating sign matrices and their sign patterns

Frank J. Hall, M. Fiedler, Wei Gao, 2015 .

Rational realization of the minimum ranks of nonnegative sign pattern matrices

Wei Gao, Wei Fang, Yubin Gao, 2016 .

Irreducible powerful ray pattern matrices

Frank J. Hall, Jeffrey L. Stuart, Zhongshan Li, 2002 .

A determinantal description of GCD-closed sets and k-sets

Zhongshan Li, 1992 .

Tree sign patterns that allow nilpotence of index 4

Tingzhu Huang, Hou-biao Li, Zhongshan Li, 2015 .

Sign Pattern Matrices

Frank J. Hall, Zhongshan Li, 2006 .

A graph minors characterization of signed graphs whose signed Colin de Verdi\`ere parameter $\nu$ is two

Frank J. Hall, H. Holst, Zhongshan Li, 2012, 1209.4628.

Sign patterns allowing nilpotence of index 3

Yubin Gao, Zhongshan Li, Y. Shao, 2007 .

An Interlacing Result on Normalized Laplacians

Guantao Chen, Frank J. Hall, Zhongshan Li, 2005, SIAM J. Discret. Math..

SVD and PCA in Image Processing

Frank J. Hall, M. Bakonyi, Yichuan Zhao, 2015 .

Signed graphs whose signed Colin de Verdière parameter is two

Hein van der Holst, Frank J. Hall, Zhongshan Li, 2016, J. Comb. Theory, Ser. B.

On the Eventual Exponential Positivity of Some Tree Sign Patterns

Ber-Lin Yu, Zhongshan Li, Sanzhang Xu, 2021, Symmetry.

Rank conditions for sign patterns that allow diagonalizability

Xin-Lei Feng, Wei Gao, Guangming Jing, 2020, Discret. Math..

Path sign patterns of order n ≥ 5 do not require Hn

Wei Gao, Zhongshan Li, 2017 .

Sign patterns that allow diagonalizability revisited

Tingzhu Huang, Yubin Gao, Zhongshan Li, 2013 .

Eigenvalue distribution of certain ray patterns

Frank J. Hall, C. Eschenbach, Zhongshan Li, 2000 .

From real to complex sign pattern matrices

Frank J. Hall, Zhongshan Li, C. Eschenbach, 1998, Bulletin of the Australian Mathematical Society.

How many negative entries can A2 have

C. Eschenbach, Zhongshan Li, 1997 .

SOME SIGN PATTERNS THAT ALLOW A REAL INVERSE PAIR B AND B-1

Frank J. Hall, C. Eschenbach, Zhongshan Li, 1997 .

Eigenvalue frequency and consistent sign pattern matrices

Frank J. Hall, C. Eschenbach, Zhongshan Li, 1994 .

Primitive Zero-Symmetric Sign Pattern Matrices with Zero Diagonal Attaining the Maximum Base

Ling Zhang, Ting-Zhu Huang, Zhongshan Li, 2012, J. Appl. Math..

Subdirect sums of P(P0)-matrices and totally nonnegative matrices

Tingzhu Huang, Gui-Xian Tian, Zhongshan Li, 2008 .

When does the inverse have the same sign pattern as the transpose?

Frank J. Hall, C. Eschenbach, Zhongshan Li, 1999 .

Is every nonsingular matrix diagonally equivalent to a matrix with all distinct eigenvalues

Tingzhu Huang, Zhongshan Li, Xin-Lei Feng, 2012 .

The determinants of GCD matrices

Zhongshan Li, Zhongshan Li, 1990 .