Liu, Yue Forbidden structures for ray nonsingularity among cycle tree matrices without positive cycles. (English) Zbl 1441.05092 Discrete Math. 343, No. 7, Article ID 111889, 6 p. (2020). MSC: 05C20 05C38 15B35 15B48 PDFBibTeX XMLCite \textit{Y. Liu}, Discrete Math. 343, No. 7, Article ID 111889, 6 p. (2020; Zbl 1441.05092) Full Text: DOI
Feng, Xin-Lei; Gao, Wei; Hall, Frank J.; Jing, Guangming; Li, Zhongshan; Zagrodny, Chris; Zhou, Jiang Rank conditions for sign patterns that allow diagonalizability. (English) Zbl 1435.05117 Discrete Math. 343, No. 5, Article ID 111798, 11 p. (2020). MSC: 05C38 05C12 PDFBibTeX XMLCite \textit{X.-L. Feng} et al., Discrete Math. 343, No. 5, Article ID 111798, 11 p. (2020; Zbl 1435.05117) Full Text: DOI
Chen, Xiaodan; Das, Kinkar Ch. Characterization of extremal graphs from Laplacian eigenvalues and the sum of powers of the Laplacian eigenvalues of graphs. (English) Zbl 1309.05104 Discrete Math. 338, No. 7, 1252-1263 (2015). MSC: 05C35 05C50 05C70 PDFBibTeX XMLCite \textit{X. Chen} and \textit{K. Ch. Das}, Discrete Math. 338, No. 7, 1252--1263 (2015; Zbl 1309.05104) Full Text: DOI