Dolžan, David The unitary Cayley graph of a semiring. (English) Zbl 07806402 Discrete Math. 347, No. 4, Article ID 113873, 7 p. (2024). MSC: 05Cxx 15Axx 16Yxx PDFBibTeX XMLCite \textit{D. Dolžan}, Discrete Math. 347, No. 4, Article ID 113873, 7 p. (2024; Zbl 07806402) Full Text: DOI arXiv
Ghorbani, Ebrahim; Majidi, Arezoo Complete signed graphs with largest maximum or smallest minimum eigenvalue. (English) Zbl 07806389 Discrete Math. 347, No. 4, Article ID 113860, 14 p. (2024). Reviewer: V. Lokesha (Bangalore) MSC: 05C22 05C50 15A18 PDFBibTeX XMLCite \textit{E. Ghorbani} and \textit{A. Majidi}, Discrete Math. 347, No. 4, Article ID 113860, 14 p. (2024; Zbl 07806389) Full Text: DOI
Li, Xiaohong; Wang, Jianfeng; Brunetti, Maurizio Bipartite graphs with all but two eigenvalues equal to 0 and \(\pm 1\). (English) Zbl 07806387 Discrete Math. 347, No. 4, Article ID 113858, 19 p. (2024). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{X. Li} et al., Discrete Math. 347, No. 4, Article ID 113858, 19 p. (2024; Zbl 07806387) Full Text: DOI
Cooper, Joshua; Tauscheck, Gabrielle A generalization of the Graham-Pollak tree theorem to Steiner distance. (English) Zbl 07806379 Discrete Math. 347, No. 4, Article ID 113849, 7 p. (2024). MSC: 05C12 05C05 05C50 15A18 PDFBibTeX XMLCite \textit{J. Cooper} and \textit{G. Tauscheck}, Discrete Math. 347, No. 4, Article ID 113849, 7 p. (2024; Zbl 07806379) Full Text: DOI arXiv
Wong, Dein; Zhao, Jinxing; Wang, Zhijun; Zhang, Chi A characterization of trees with eigenvalue multiplicity one less than their number of pendant vertices. (English) Zbl 07806375 Discrete Math. 347, No. 4, Article ID 113845, 5 p. (2024). MSC: 05C50 05C05 15A18 PDFBibTeX XMLCite \textit{D. Wong} et al., Discrete Math. 347, No. 4, Article ID 113845, 5 p. (2024; Zbl 07806375) Full Text: DOI
Chen, Xiaomei The number of 1s in Baxter matrices. (English) Zbl 07794546 Discrete Math. 347, No. 2, Article ID 113763, 5 p. (2024). MSC: 15B99 05B20 PDFBibTeX XMLCite \textit{X. Chen}, Discrete Math. 347, No. 2, Article ID 113763, 5 p. (2024; Zbl 07794546) Full Text: DOI
Tian, Gui-Xian; Wu, Jun-Xing; Cui, Shu-Yu Construction of graphs with distinct \(A_\alpha \)-eigenvalues. (English) Zbl 07794544 Discrete Math. 347, No. 2, Article ID 113761, 12 p. (2024). MSC: 05C50 05C76 15A18 PDFBibTeX XMLCite \textit{G.-X. Tian} et al., Discrete Math. 347, No. 2, Article ID 113761, 12 p. (2024; Zbl 07794544) Full Text: DOI
Chudnovsky, Maria; McInnis, Ian M. J. Characterizing and generalizing cycle completable graphs. (English) Zbl 07794538 Discrete Math. 347, No. 2, Article ID 113754, 6 p. (2024). MSC: 05C50 05C38 15A83 PDFBibTeX XMLCite \textit{M. Chudnovsky} and \textit{I. M. J. McInnis}, Discrete Math. 347, No. 2, Article ID 113754, 6 p. (2024; Zbl 07794538) Full Text: DOI arXiv
Rattanakangwanwong, Jitsupat; Meemark, Yotsanan Subgraph of unitary Cayley graph of matrix algebras induced by idempotent matrices. (English) Zbl 07794529 Discrete Math. 347, No. 2, Article ID 113739, 8 p. (2024). MSC: 05C25 05C50 15A30 PDFBibTeX XMLCite \textit{J. Rattanakangwanwong} and \textit{Y. Meemark}, Discrete Math. 347, No. 2, Article ID 113739, 8 p. (2024; Zbl 07794529) Full Text: DOI
Song, Yi-Min; Fan, Yi-Zheng; Wang, Yi; Tian, Meng-Yu; Wan, Jiang-Chao The spectral property of hypergraph coverings. (English) Zbl 07790215 Discrete Math. 347, No. 3, Article ID 113830, 15 p. (2024). MSC: 05C50 05C65 05C70 15A18 PDFBibTeX XMLCite \textit{Y.-M. Song} et al., Discrete Math. 347, No. 3, Article ID 113830, 15 p. (2024; Zbl 07790215) Full Text: DOI arXiv
Valyuzhenich, Alexandr Optimal functions with spectral constraints in hypercubes. (English) Zbl 07790201 Discrete Math. 347, No. 3, Article ID 113816, 9 p. (2024). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{A. Valyuzhenich}, Discrete Math. 347, No. 3, Article ID 113816, 9 p. (2024; Zbl 07790201) Full Text: DOI arXiv
Nordgren, Ronald P. Compound Lucas magic square matrices. (English) Zbl 07790196 Discrete Math. 347, No. 3, Article ID 113802, 7 p. (2024). MSC: 05B15 15Axx PDFBibTeX XMLCite \textit{R. P. Nordgren}, Discrete Math. 347, No. 3, Article ID 113802, 7 p. (2024; Zbl 07790196) Full Text: DOI
Zhou, Zihan; Sun, Wanting; Wei, Wei; Zhang, Minjie; Li, Shuchao Characterizing signed mixed graphs with small eigenvalues. (English) Zbl 07790191 Discrete Math. 347, No. 3, Article ID 113797, 15 p. (2024). MSC: 05C22 05C50 15A18 PDFBibTeX XMLCite \textit{Z. Zhou} et al., Discrete Math. 347, No. 3, Article ID 113797, 15 p. (2024; Zbl 07790191) Full Text: DOI
Du, Zenan; You, Lihua; Liu, Hechao Almost controllable graphs and beyond. (English) Zbl 1525.05109 Discrete Math. 347, No. 1, Article ID 113743, 10 p. (2024). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{Z. Du} et al., Discrete Math. 347, No. 1, Article ID 113743, 10 p. (2024; Zbl 1525.05109) Full Text: DOI
Song, Xingkun; Lin, Huiqiu State transfer on integral mixed circulant graphs. (English) Zbl 1525.05119 Discrete Math. 347, No. 1, Article ID 113727, 13 p. (2024). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{X. Song} and \textit{H. Lin}, Discrete Math. 347, No. 1, Article ID 113727, 13 p. (2024; Zbl 1525.05119) Full Text: DOI arXiv
Barik, Sasmita; Behera, Subhasish On integer matrices with integer eigenvalues and Laplacian integral graphs. (English) Zbl 1525.05107 Discrete Math. 347, No. 1, Article ID 113707, 12 p. (2024). MSC: 05C50 15A18 15B36 PDFBibTeX XMLCite \textit{S. Barik} and \textit{S. Behera}, Discrete Math. 347, No. 1, Article ID 113707, 12 p. (2024; Zbl 1525.05107) Full Text: DOI
Zhang, Yuke; Lin, Huiqiu The sum of the \(k\) largest distance eigenvalues of graphs. (English) Zbl 1525.05124 Discrete Math. 347, No. 1, Article ID 113696, 10 p. (2024). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{Y. Zhang} and \textit{H. Lin}, Discrete Math. 347, No. 1, Article ID 113696, 10 p. (2024; Zbl 1525.05124) Full Text: DOI
Moon, Sunyo; Yoo, Hyungkee On the Laplacian spectrum of \(k\)-symmetric graphs. (English) Zbl 1525.05118 Discrete Math. 347, No. 1, Article ID 113681, 13 p. (2024). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{S. Moon} and \textit{H. Yoo}, Discrete Math. 347, No. 1, Article ID 113681, 13 p. (2024; Zbl 1525.05118) Full Text: DOI arXiv
Xie, Jiayi; Jia, Dongdong; Zhang, Gengsheng Spectra of quasi-strongly regular graphs. (English) Zbl 1525.05199 Discrete Math. 347, No. 1, Article ID 113660, 14 p. (2024). MSC: 05E30 05C50 15A18 PDFBibTeX XMLCite \textit{J. Xie} et al., Discrete Math. 347, No. 1, Article ID 113660, 14 p. (2024; Zbl 1525.05199) Full Text: DOI
Li, Yongtao; Lu, Lu; Peng, Yuejian Spectral extremal graphs for the bowtie. (English) Zbl 1522.05231 Discrete Math. 346, No. 12, Article ID 113680, 14 p. (2023). MSC: 05C35 05C50 15A18 PDFBibTeX XMLCite \textit{Y. Li} et al., Discrete Math. 346, No. 12, Article ID 113680, 14 p. (2023; Zbl 1522.05231) Full Text: DOI arXiv
Kadyan, Monu; Bhattacharjya, Bikash \(H\)-integral and Gaussian integral normal mixed Cayley graphs. (English) Zbl 1522.05187 Discrete Math. 346, No. 12, Article ID 113638, 13 p. (2023). MSC: 05C25 05C50 15A18 PDFBibTeX XMLCite \textit{M. Kadyan} and \textit{B. Bhattacharjya}, Discrete Math. 346, No. 12, Article ID 113638, 13 p. (2023; Zbl 1522.05187) Full Text: DOI arXiv
Hu, Yarong; Lou, Zhenzhen; Huang, Qiongxiang Ordering \(Q\)-indices of graphs: given size and circumference. (English) Zbl 1522.05277 Discrete Math. 346, No. 12, Article ID 113628, 14 p. (2023). MSC: 05C50 15A18 06A07 PDFBibTeX XMLCite \textit{Y. Hu} et al., Discrete Math. 346, No. 12, Article ID 113628, 14 p. (2023; Zbl 1522.05277) Full Text: DOI
Fitzpatrick, Patrick; O’Keeffe, Henry Williamson type Hadamard matrices with circulant components. (English) Zbl 1522.05022 Discrete Math. 346, No. 12, Article ID 113615, 7 p. (2023). MSC: 05B20 15A15 PDFBibTeX XMLCite \textit{P. Fitzpatrick} and \textit{H. O'Keeffe}, Discrete Math. 346, No. 12, Article ID 113615, 7 p. (2023; Zbl 1522.05022) Full Text: DOI
Zhou, Zihan; Li, Shuchao; Yu, Yuantian Mixed graphs whose Hermitian adjacency matrices of the second kind have the smallest eigenvalue greater than \(- \frac{3}{2}\). (English) Zbl 07745174 Discrete Math. 346, No. 12, Article ID 113612, 10 p. (2023). Reviewer: Jinwon Choi (Seoul) MSC: 05C50 05B20 15A18 05C70 PDFBibTeX XMLCite \textit{Z. Zhou} et al., Discrete Math. 346, No. 12, Article ID 113612, 10 p. (2023; Zbl 07745174) Full Text: DOI
Du, Zhibin; da Fonseca, Carlos M. The number of P-vertices for acyclic matrices with given nullity. (English) Zbl 1522.05276 Discrete Math. 346, No. 12, Article ID 113592, 17 p. (2023). MSC: 05C50 05C05 15A18 PDFBibTeX XMLCite \textit{Z. Du} and \textit{C. M. da Fonseca}, Discrete Math. 346, No. 12, Article ID 113592, 17 p. (2023; Zbl 1522.05276) Full Text: DOI
Fernández, Blas; Maleki, Roghayeh; Miklavič, Štefko; Razafimahatratra, Andriaherimanana Sarobidy On closed distance magic circulants of valency up to 5. (English) Zbl 1522.05404 Discrete Math. 346, No. 12, Article ID 113581, 12 p. (2023). MSC: 05C78 15A18 05C25 PDFBibTeX XMLCite \textit{B. Fernández} et al., Discrete Math. 346, No. 12, Article ID 113581, 12 p. (2023; Zbl 1522.05404) Full Text: DOI arXiv
Boussaïri, Abderrahim; Ezzahir, Sara; Lakhlifi, Soufiane; Mahzoum, Soukaïna Skew-adjacency matrices of tournaments with bounded principal minors. (English) Zbl 1518.05112 Discrete Math. 346, No. 10, Article ID 113552, 6 p. (2023). MSC: 05C50 05C20 15B34 20B07 PDFBibTeX XMLCite \textit{A. Boussaïri} et al., Discrete Math. 346, No. 10, Article ID 113552, 6 p. (2023; Zbl 1518.05112) Full Text: DOI
Jost, Jürgen; Mulas, Raffaella; Torres, Leo Spectral theory of the non-backtracking Laplacian for graphs. (English) Zbl 1518.05122 Discrete Math. 346, No. 10, Article ID 113536, 19 p. (2023). MSC: 05C50 05C81 15A18 PDFBibTeX XMLCite \textit{J. Jost} et al., Discrete Math. 346, No. 10, Article ID 113536, 19 p. (2023; Zbl 1518.05122) Full Text: DOI arXiv
Liu, Dayan; Liu, Xiaogang No Laplacian perfect state transfer in total graphs. (English) Zbl 1516.05124 Discrete Math. 346, No. 9, Article ID 113529, 11 p. (2023). MSC: 05C50 05C99 15A18 PDFBibTeX XMLCite \textit{D. Liu} and \textit{X. Liu}, Discrete Math. 346, No. 9, Article ID 113529, 11 p. (2023; Zbl 1516.05124) Full Text: DOI
Samanta, Aniruddha On bounds of \(A_\alpha\)-eigenvalue multiplicity and the rank of a complex unit gain graph. (English) Zbl 1516.05134 Discrete Math. 346, No. 9, Article ID 113503, 10 p. (2023). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{A. Samanta}, Discrete Math. 346, No. 9, Article ID 113503, 10 p. (2023; Zbl 1516.05134) Full Text: DOI
Ao, Guoyan; Liu, Ruifang; Yuan, Jinjiang Spectral radius and spanning trees of graphs. (English) Zbl 1521.05096 Discrete Math. 346, No. 8, Article ID 113400, 9 p. (2023). Reviewer: Xueyi Huang (Shanghai) MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{G. Ao} et al., Discrete Math. 346, No. 8, Article ID 113400, 9 p. (2023; Zbl 1521.05096) Full Text: DOI arXiv
Liu, Chang; Yan, Zimo; Li, Jianping The maximum \(A_\alpha\)-spectral radius of \(t\)-connected graphs with bounded matching number. (English) Zbl 1514.05100 Discrete Math. 346, No. 7, Article ID 113447, 16 p. (2023). MSC: 05C50 05C70 05C40 15A18 PDFBibTeX XMLCite \textit{C. Liu} et al., Discrete Math. 346, No. 7, Article ID 113447, 16 p. (2023; Zbl 1514.05100) Full Text: DOI arXiv
Sun, Wanting; Li, Shuchao The maximum spectral radius of \(\{C_3, C_5\}\)-free graphs of given size. (English) Zbl 1514.05107 Discrete Math. 346, No. 7, Article ID 113440, 13 p. (2023). MSC: 05C50 15A18 05C30 05C35 PDFBibTeX XMLCite \textit{W. Sun} and \textit{S. Li}, Discrete Math. 346, No. 7, Article ID 113440, 13 p. (2023; Zbl 1514.05107) Full Text: DOI
Ivanov, Grigory; Köse, Seyda Erdős-Ko-Rado and Hilton-Milner theorems for two-forms. (English) Zbl 1518.05187 Discrete Math. 346, No. 6, Article ID 113363, 2 p. (2023). Reviewer: Gaurav Sunil Kucheriya (Praha) MSC: 05D05 15A75 PDFBibTeX XMLCite \textit{G. Ivanov} and \textit{S. Köse}, Discrete Math. 346, No. 6, Article ID 113363, 2 p. (2023; Zbl 1518.05187) Full Text: DOI arXiv
Lepović, Mirko On integral graphs which belong to the class \(\overline{\alpha G_a \cup \beta G_b}\) where \(G_a\) and \(G_b\) are two regular integral graphs. (English) Zbl 1509.05118 Discrete Math. 346, No. 5, Article ID 113314, 11 p. (2023). MSC: 05C50 15A18 11D04 PDFBibTeX XMLCite \textit{M. Lepović}, Discrete Math. 346, No. 5, Article ID 113314, 11 p. (2023; Zbl 1509.05118) Full Text: DOI
Steinerberger, Stefan The first eigenvector of a distance matrix is nearly constant. (English) Zbl 1508.05110 Discrete Math. 346, No. 4, Article ID 113291, 7 p. (2023). MSC: 05C50 15A18 46B20 PDFBibTeX XMLCite \textit{S. Steinerberger}, Discrete Math. 346, No. 4, Article ID 113291, 7 p. (2023; Zbl 1508.05110) Full Text: DOI arXiv
Wang, Bing; Zhai, Mingqing Maxima of the \(Q\)-index: forbidden a Fan. (English) Zbl 1506.05127 Discrete Math. 346, No. 3, Article ID 113264, 10 p. (2023). MSC: 05C50 05C35 15A18 PDFBibTeX XMLCite \textit{B. Wang} and \textit{M. Zhai}, Discrete Math. 346, No. 3, Article ID 113264, 10 p. (2023; Zbl 1506.05127) Full Text: DOI
Yu, Yuantian; Geng, Xianya; Zhou, Zihan The \(k\)-generalized Hermitian adjacency matrices for mixed graphs. (English) Zbl 1504.05182 Discrete Math. 346, No. 2, Article ID 113254, 15 p. (2023). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{Y. Yu} et al., Discrete Math. 346, No. 2, Article ID 113254, 15 p. (2023; Zbl 1504.05182) Full Text: DOI
Barik, Sasmita; Behera, Subhasish On the smallest positive eigenvalue of bipartite unicyclic graphs with a unique perfect matching. (English) Zbl 1504.05160 Discrete Math. 346, No. 2, Article ID 113252, 11 p. (2023). MSC: 05C50 05C35 05C70 15A18 PDFBibTeX XMLCite \textit{S. Barik} and \textit{S. Behera}, Discrete Math. 346, No. 2, Article ID 113252, 11 p. (2023; Zbl 1504.05160) Full Text: DOI
Li, Dan; Lin, Huiqiu; Meng, Jixiang Extremal spectral results related to spanning trees of signed complete graphs. (English) Zbl 1504.05172 Discrete Math. 346, No. 2, Article ID 113250, 17 p. (2023). MSC: 05C50 05C22 05C35 15A18 PDFBibTeX XMLCite \textit{D. Li} et al., Discrete Math. 346, No. 2, Article ID 113250, 17 p. (2023; Zbl 1504.05172) Full Text: DOI
Ma, Qianqian; Wang, Weiping Riordan arrays and \(r\)-Stirling number identities. (English) Zbl 1502.05019 Discrete Math. 346, No. 1, Article ID 113211, 20 p. (2023). MSC: 05A19 05A15 11B73 15B36 PDFBibTeX XMLCite \textit{Q. Ma} and \textit{W. Wang}, Discrete Math. 346, No. 1, Article ID 113211, 20 p. (2023; Zbl 1502.05019) Full Text: DOI
Yan, Xinru; He, Xiaocong; Feng, Lihua; Liu, Weijun Spectral radius and the 2-power of Hamilton cycle. (English) Zbl 1502.05148 Discrete Math. 346, No. 1, Article ID 113155, 13 p. (2023). MSC: 05C50 05C45 05C35 15A18 PDFBibTeX XMLCite \textit{X. Yan} et al., Discrete Math. 346, No. 1, Article ID 113155, 13 p. (2023; Zbl 1502.05148) Full Text: DOI
Jana, Rakesh A \(q\)-analogue of the bipartite distance matrix of a nonsingular tree. (English) Zbl 1502.05132 Discrete Math. 346, No. 1, Article ID 113153, 15 p. (2023). MSC: 05C50 05C05 15A18 PDFBibTeX XMLCite \textit{R. Jana}, Discrete Math. 346, No. 1, Article ID 113153, 15 p. (2023; Zbl 1502.05132) Full Text: DOI
Kadyan, Monu; Bhattacharjya, Bikash Integral mixed circulant graphs. (English) Zbl 1502.05133 Discrete Math. 346, No. 1, Article ID 113142, 18 p. (2023). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{M. Kadyan} and \textit{B. Bhattacharjya}, Discrete Math. 346, No. 1, Article ID 113142, 18 p. (2023; Zbl 1502.05133) Full Text: DOI arXiv
Wang, Yuzhenni; Zhang, Xiao-Dong On weighted spectral radius of unraveled balls and normalized Laplacian eigenvalues. (English) Zbl 1497.05166 Discrete Math. 345, No. 12, Article ID 113173, 9 p. (2022). MSC: 05C50 05C22 15A18 PDFBibTeX XMLCite \textit{Y. Wang} and \textit{X.-D. Zhang}, Discrete Math. 345, No. 12, Article ID 113173, 9 p. (2022; Zbl 1497.05166) Full Text: DOI arXiv
Li, Wen-Jun; Guo, Ji-Ming On the full Brouwer’s Laplacian spectrum conjecture. (English) Zbl 1497.05156 Discrete Math. 345, No. 12, Article ID 113078, 14 p. (2022). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{W.-J. Li} and \textit{J.-M. Guo}, Discrete Math. 345, No. 12, Article ID 113078, 14 p. (2022; Zbl 1497.05156) Full Text: DOI
Xin, Guoce; Zhang, Zihao Proof of a conjecture on Hankel determinants for Dyck paths with restricted peak heights. (English) Zbl 1497.05009 Discrete Math. 345, No. 12, Article ID 113063, 11 p. (2022). MSC: 05A15 11A55 15A15 15B05 PDFBibTeX XMLCite \textit{G. Xin} and \textit{Z. Zhang}, Discrete Math. 345, No. 12, Article ID 113063, 11 p. (2022; Zbl 1497.05009) Full Text: DOI arXiv
Mahato, Iswar; Rajesh Kannan, M. On the eccentricity matrices of trees: inertia and spectral symmetry. (English) Zbl 1495.05172 Discrete Math. 345, No. 11, Article ID 113067, 10 p. (2022). MSC: 05C50 05C12 15A18 PDFBibTeX XMLCite \textit{I. Mahato} and \textit{M. Rajesh Kannan}, Discrete Math. 345, No. 11, Article ID 113067, 10 p. (2022; Zbl 1495.05172) Full Text: DOI arXiv
Aigner-Horev, Elad; Person, Yury On sparse random combinatorial matrices. (English) Zbl 1495.60005 Discrete Math. 345, No. 11, Article ID 113017, 11 p. (2022). MSC: 60C05 60B20 15B52 PDFBibTeX XMLCite \textit{E. Aigner-Horev} and \textit{Y. Person}, Discrete Math. 345, No. 11, Article ID 113017, 11 p. (2022; Zbl 1495.60005) Full Text: DOI arXiv
Feng, Yulu; Qiu, Min; Zhu, Guangyan; Hong, Shaofang Divisibility among power matrices associated with classes of arithmetic functions. (English) Zbl 1497.11066 Discrete Math. 345, No. 10, Article ID 112993, 11 p. (2022). Reviewer: Jorma K. Merikoski (Tampere) MSC: 11C20 15B36 11A25 PDFBibTeX XMLCite \textit{Y. Feng} et al., Discrete Math. 345, No. 10, Article ID 112993, 11 p. (2022; Zbl 1497.11066) Full Text: DOI
Tian, Fenglei; Guo, Shu-Guang; Wong, Dein On the multiplicity of the least signless Laplacian eigenvalue of a graph. (English) Zbl 1496.05102 Discrete Math. 345, No. 9, Article ID 112940, 15 p. (2022). Reviewer: Shuchao Li (Wuhan) MSC: 05C50 15A18 05C35 PDFBibTeX XMLCite \textit{F. Tian} et al., Discrete Math. 345, No. 9, Article ID 112940, 15 p. (2022; Zbl 1496.05102) Full Text: DOI
Li, Shuchao; Wang, Junming On the generalized \(A_\alpha\)-spectral characterizations of almost \(\alpha\)-controllable graphs. (English) Zbl 1490.05163 Discrete Math. 345, No. 8, Article ID 112913, 17 p. (2022). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{S. Li} and \textit{J. Wang}, Discrete Math. 345, No. 8, Article ID 112913, 17 p. (2022; Zbl 1490.05163) Full Text: DOI
Fan, Dandan; Lin, Huiqiu; Lu, Hongliang Spectral radius and \([a,b]\)-factors in graphs. (English) Zbl 1489.05094 Discrete Math. 345, No. 7, Article ID 112892, 9 p. (2022). MSC: 05C50 05C70 15A18 PDFBibTeX XMLCite \textit{D. Fan} et al., Discrete Math. 345, No. 7, Article ID 112892, 9 p. (2022; Zbl 1489.05094) Full Text: DOI arXiv
Pal, Hiranmoy Laplacian state transfer on graphs with an edge perturbation between twin vertices. (English) Zbl 1489.05098 Discrete Math. 345, No. 7, Article ID 112872, 9 p. (2022). MSC: 05C50 05C81 81P45 81P68 15A18 PDFBibTeX XMLCite \textit{H. Pal}, Discrete Math. 345, No. 7, Article ID 112872, 9 p. (2022; Zbl 1489.05098) Full Text: DOI arXiv
Li, Shuchao; Yu, Yuantian Hermitian adjacency matrix of the second kind for mixed graphs. (English) Zbl 1484.05133 Discrete Math. 345, No. 5, Article ID 112798, 22 p. (2022). MSC: 05C50 05C31 15A18 PDFBibTeX XMLCite \textit{S. Li} and \textit{Y. Yu}, Discrete Math. 345, No. 5, Article ID 112798, 22 p. (2022; Zbl 1484.05133) Full Text: DOI arXiv
Wang, Long; Fang, Xianwen; Geng, Xianya Graphs with nullity \(2c(G)+p(G)-1\). (English) Zbl 1486.05190 Discrete Math. 345, No. 5, Article ID 112786, 7 p. (2022). Reviewer: Fenglei Tian (Rizhao) MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{L. Wang} et al., Discrete Math. 345, No. 5, Article ID 112786, 7 p. (2022; Zbl 1486.05190) Full Text: DOI
Liu, Ruifang; Lai, Hong-Jian; Li, Rao Hamiltonian \(s\)-properties and eigenvalues of \(k\)-connected graphs. (English) Zbl 1482.05198 Discrete Math. 345, No. 4, Article ID 112774, 9 p. (2022). MSC: 05C50 05C40 05C45 15A42 PDFBibTeX XMLCite \textit{R. Liu} et al., Discrete Math. 345, No. 4, Article ID 112774, 9 p. (2022; Zbl 1482.05198) Full Text: DOI
Johnson, Charles R.; Wakhare, Tanay The inverse eigenvalue problem for linear trees. (English) Zbl 1483.15008 Discrete Math. 345, No. 4, Article ID 112737, 17 p. (2022). MSC: 15A29 15A18 05C50 05C05 PDFBibTeX XMLCite \textit{C. R. Johnson} and \textit{T. Wakhare}, Discrete Math. 345, No. 4, Article ID 112737, 17 p. (2022; Zbl 1483.15008) Full Text: DOI arXiv
Wang, Jeng-Jung; Chen, Yan-Haw The inverse of circulant matrices over \(\mathrm{GF}(2^m )\). (English) Zbl 1480.15036 Discrete Math. 345, No. 3, Article ID 112741, 10 p. (2022). MSC: 15B05 15B33 15A09 PDFBibTeX XMLCite \textit{J.-J. Wang} and \textit{Y.-H. Chen}, Discrete Math. 345, No. 3, Article ID 112741, 10 p. (2022; Zbl 1480.15036) Full Text: DOI
Wei, Wei; Li, Shuchao; Zhang, Licheng Characterizing the extremal graphs with respect to the eccentricity spectral radius, and beyond. (English) Zbl 1479.05214 Discrete Math. 345, No. 2, Article ID 112686, 29 p. (2022). MSC: 05C50 05C12 05C70 05C35 15B48 PDFBibTeX XMLCite \textit{W. Wei} et al., Discrete Math. 345, No. 2, Article ID 112686, 29 p. (2022; Zbl 1479.05214) Full Text: DOI
Chen, Bocong; Huang, Jing On unitary Cayley graphs of matrix rings. (English) Zbl 1479.05141 Discrete Math. 345, No. 1, Article ID 112671, 10 p. (2022). Reviewer: Marcin Anholcer (Poznań) MSC: 05C25 05C50 15A18 05E30 PDFBibTeX XMLCite \textit{B. Chen} and \textit{J. Huang}, Discrete Math. 345, No. 1, Article ID 112671, 10 p. (2022; Zbl 1479.05141) Full Text: DOI
He, Xiaocong; Lu, Lu On the largest and least eigenvalues of eccentricity matrix of trees. (English) Zbl 1476.05118 Discrete Math. 345, No. 1, Article ID 112662, 11 p. (2022). MSC: 05C50 05C12 15A18 PDFBibTeX XMLCite \textit{X. He} and \textit{L. Lu}, Discrete Math. 345, No. 1, Article ID 112662, 11 p. (2022; Zbl 1476.05118) Full Text: DOI arXiv
Samanta, Aniruddha; Kannan, M. Rajesh Gain distance matrices for complex unit gain graphs. (English) Zbl 1476.05127 Discrete Math. 345, No. 1, Article ID 112634, 12 p. (2022). MSC: 05C50 05C12 05C22 05C78 15B36 PDFBibTeX XMLCite \textit{A. Samanta} and \textit{M. R. Kannan}, Discrete Math. 345, No. 1, Article ID 112634, 12 p. (2022; Zbl 1476.05127) Full Text: DOI arXiv
Li, Shuchao; Wang, Lu; Zhang, Huihui On ABC Estrada index of graphs. (English) Zbl 1472.05039 Discrete Math. 344, No. 11, Article ID 112586, 17 p. (2021). MSC: 05C09 05C92 92E10 05C35 15A18 PDFBibTeX XMLCite \textit{S. Li} et al., Discrete Math. 344, No. 11, Article ID 112586, 17 p. (2021; Zbl 1472.05039) Full Text: DOI
Li, Shuchao; Sun, Wanting An arithmetic criterion for graphs being determined by their generalized \(A_\alpha \)-spectra. (English) Zbl 1466.05122 Discrete Math. 344, No. 8, Article ID 112469, 16 p. (2021). MSC: 05C50 15B36 PDFBibTeX XMLCite \textit{S. Li} and \textit{W. Sun}, Discrete Math. 344, No. 8, Article ID 112469, 16 p. (2021; Zbl 1466.05122) Full Text: DOI arXiv
Hessert, Ryan; Mallik, Sudipta Moore-Penrose inverses of the signless Laplacian and edge-Laplacian of graphs. (English) Zbl 1466.05120 Discrete Math. 344, No. 8, Article ID 112451, 15 p. (2021). MSC: 05C50 15A18 PDFBibTeX XMLCite \textit{R. Hessert} and \textit{S. Mallik}, Discrete Math. 344, No. 8, Article ID 112451, 15 p. (2021; Zbl 1466.05120) Full Text: DOI arXiv
Taranenko, A. A. On the König-Hall-Egerváry theorem for multidimensional matrices and multipartite hypergraphs. (English) Zbl 1466.05188 Discrete Math. 344, No. 8, Article ID 112447, 18 p. (2021). MSC: 05C70 05C35 05C65 05C50 15A99 PDFBibTeX XMLCite \textit{A. A. Taranenko}, Discrete Math. 344, No. 8, Article ID 112447, 18 p. (2021; Zbl 1466.05188) Full Text: DOI arXiv
Azimi, A.; Bapat, R. B.; Farrokhi D. G., M. Resistance distance of blowups of trees. (English) Zbl 1466.05032 Discrete Math. 344, No. 7, Article ID 112387, 11 p. (2021). MSC: 05C05 05C12 15A09 PDFBibTeX XMLCite \textit{A. Azimi} et al., Discrete Math. 344, No. 7, Article ID 112387, 11 p. (2021; Zbl 1466.05032) Full Text: DOI
Shitov, Yaroslav A sign pattern with all diagonal entries nonzero whose minimal rank realizations are not diagonalizable over \(\mathbb{C}\). (English) Zbl 1456.15028 Discrete Math. 344, No. 1, Article ID 112166, 1 p. (2021). MSC: 15B35 15A03 15A20 PDFBibTeX XMLCite \textit{Y. Shitov}, Discrete Math. 344, No. 1, Article ID 112166, 1 p. (2021; Zbl 1456.15028) Full Text: DOI arXiv
Altınok, Selma; Sarıoğlan, Samet Basis criteria for generalized spline modules via determinant. (English) Zbl 1453.05111 Discrete Math. 344, No. 2, Article ID 112223, 21 p. (2021). MSC: 05C78 13C10 15A15 05C05 41A15 PDFBibTeX XMLCite \textit{S. Altınok} and \textit{S. Sarıoğlan}, Discrete Math. 344, No. 2, Article ID 112223, 21 p. (2021; Zbl 1453.05111) Full Text: DOI arXiv
Yang, Sheng-Liang; Jiang, Mei-yang The \(m\)-Schröder paths and \(m\)-Schröder numbers. (English) Zbl 1453.05009 Discrete Math. 344, No. 2, Article ID 112209, 14 p. (2021). MSC: 05A15 05A05 15B36 PDFBibTeX XMLCite \textit{S.-L. Yang} and \textit{M.-y. Jiang}, Discrete Math. 344, No. 2, Article ID 112209, 14 p. (2021; Zbl 1453.05009) Full Text: DOI
Fonseca, Amélia; Mestre, Ângela; Mohammadian, Ali; Perdigão, Cecília; Torres, Maria Manuel The maximum number of Parter vertices of acyclic matrices. (English) Zbl 1456.05103 Discrete Math. 344, No. 2, Article ID 112198, 6 p. (2021). Reviewer: Juan Ramón Torregrosa Sánchez (Valencia) MSC: 05C50 05C05 05B20 15A03 15B99 PDFBibTeX XMLCite \textit{A. Fonseca} et al., Discrete Math. 344, No. 2, Article ID 112198, 6 p. (2021; Zbl 1456.05103) Full Text: DOI
Ball, Simeon; Pepe, Valentina On varieties defined by large sets of quadrics and their application to error-correcting codes. (English) Zbl 1458.51004 Discrete Math. 343, No. 10, Article ID 112007, 11 p. (2020). MSC: 51E20 14G15 94B15 51E22 15A06 PDFBibTeX XMLCite \textit{S. Ball} and \textit{V. Pepe}, Discrete Math. 343, No. 10, Article ID 112007, 11 p. (2020; Zbl 1458.51004) Full Text: DOI arXiv
Du, Zhibin; Yeh, Jean Another simple proof of Graham and Pollak’s theorem. (English) Zbl 1445.05058 Discrete Math. 343, No. 10, Article ID 111994, 2 p. (2020). MSC: 05C50 15A15 05C05 PDFBibTeX XMLCite \textit{Z. Du} and \textit{J. Yeh}, Discrete Math. 343, No. 10, Article ID 111994, 2 p. (2020; Zbl 1445.05058) Full Text: DOI
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
Wang, Ying; Xin, Guoce Hankel determinants for convolution powers of Catalan numbers. (English) Zbl 1416.05024 Discrete Math. 342, No. 9, 2694-2716 (2019). MSC: 05A15 05A10 15A15 11A55 PDFBibTeX XMLCite \textit{Y. Wang} and \textit{G. Xin}, Discrete Math. 342, No. 9, 2694--2716 (2019; Zbl 1416.05024) Full Text: DOI arXiv
Mukherjee, Sajal Kumar; Bera, Sudip Combinatorial proofs of the Newton-Girard and Chapman-Costas-Santos identities. (English) Zbl 1414.05043 Discrete Math. 342, No. 6, 1577-1580 (2019). MSC: 05A19 05C20 15A15 PDFBibTeX XMLCite \textit{S. K. Mukherjee} and \textit{S. Bera}, Discrete Math. 342, No. 6, 1577--1580 (2019; Zbl 1414.05043) Full Text: DOI arXiv
Bush, Brandon; Culp, Jordan; Pearson, Kelly Perron-Frobenius theorem for hypermatrices in the max algebra. (English) Zbl 1451.15015 Discrete Math. 342, No. 1, 64-73 (2019). Reviewer: Sanming Zhou (Parkville) MSC: 15A69 05C50 05C65 15A18 65F99 PDFBibTeX XMLCite \textit{B. Bush} et al., Discrete Math. 342, No. 1, 64--73 (2019; Zbl 1451.15015) Full Text: DOI
Dyshko, Serhii Minimal solutions of the isometry equation. (English) Zbl 1395.05033 Discrete Math. 341, No. 11, 2995-3002 (2018). MSC: 05B40 94B05 15A03 PDFBibTeX XMLCite \textit{S. Dyshko}, Discrete Math. 341, No. 11, 2995--3002 (2018; Zbl 1395.05033) Full Text: DOI
Wang, Yi; Yang, Arthur L. B. Total positivity of Narayana matrices. (English) Zbl 1383.05026 Discrete Math. 341, No. 5, 1264-1269 (2018). MSC: 05A20 05B20 15A45 15B36 PDFBibTeX XMLCite \textit{Y. Wang} and \textit{A. L. B. Yang}, Discrete Math. 341, No. 5, 1264--1269 (2018; Zbl 1383.05026) Full Text: DOI arXiv
Pérez, Claudia; Rivera, Daniel Graphical characterization of positive definite non symmetric quasi-Cartan matrices. (English) Zbl 1397.05103 Discrete Math. 341, No. 5, 1215-1224 (2018). MSC: 05C50 15B48 PDFBibTeX XMLCite \textit{C. Pérez} and \textit{D. Rivera}, Discrete Math. 341, No. 5, 1215--1224 (2018; Zbl 1397.05103) Full Text: DOI
Geneson, Jesse T.; Tian, Peter M. Extremal functions of forbidden multidimensional matrices. (English) Zbl 1375.15046 Discrete Math. 340, No. 12, 2769-2781 (2017). MSC: 15B35 05C50 PDFBibTeX XMLCite \textit{J. T. Geneson} and \textit{P. M. Tian}, Discrete Math. 340, No. 12, 2769--2781 (2017; Zbl 1375.15046) Full Text: DOI arXiv
Mu, Lili; Wang, Yi Hankel determinants of shifted Catalan-like numbers. (English) Zbl 1369.05014 Discrete Math. 340, No. 6, 1389-1396 (2017). MSC: 05A15 15A15 11B75 PDFBibTeX XMLCite \textit{L. Mu} and \textit{Y. Wang}, Discrete Math. 340, No. 6, 1389--1396 (2017; Zbl 1369.05014) Full Text: DOI
Brualdi, Richard A.; Schroeder, Michael W. Alternating sign matrices and their Bruhat order. (English) Zbl 1366.15024 Discrete Math. 340, No. 8, 1996-2019 (2017). MSC: 15B35 15B48 PDFBibTeX XMLCite \textit{R. A. Brualdi} and \textit{M. W. Schroeder}, Discrete Math. 340, No. 8, 1996--2019 (2017; Zbl 1366.15024) Full Text: DOI Backlinks: MO
Zhang, Yiwei; Zhang, Tao; Wang, Xin; Ge, Gennian Invertible binary matrices with maximum number of \(2\)-by-\(2\) invertible submatrices. (English) Zbl 1351.05042 Discrete Math. 340, No. 2, 201-208 (2017). MSC: 05B20 05B05 15A09 PDFBibTeX XMLCite \textit{Y. Zhang} et al., Discrete Math. 340, No. 2, 201--208 (2017; Zbl 1351.05042) Full Text: DOI arXiv
Ben-Efraim, Aner Secret-sharing matroids need not be algebraic. (English) Zbl 1337.05016 Discrete Math. 339, No. 8, 2136-2145 (2016). MSC: 05B35 52B40 15A09 PDFBibTeX XMLCite \textit{A. Ben-Efraim}, Discrete Math. 339, No. 8, 2136--2145 (2016; Zbl 1337.05016) Full Text: DOI arXiv
Kaya, Abidin; Yildiz, Bahattin; Pasa, Abdullah New extremal binary self-dual codes from a modified four circulant construction. (English) Zbl 1331.94067 Discrete Math. 339, No. 3, 1086-1094 (2016). MSC: 94B05 15B57 PDFBibTeX XMLCite \textit{A. Kaya} et al., Discrete Math. 339, No. 3, 1086--1094 (2016; Zbl 1331.94067) Full Text: DOI arXiv
Wang, Charles Zhao-Chen; Wang, Yi Total positivity of Catalan triangle. (English) Zbl 1305.05004 Discrete Math. 338, No. 4, 566-568 (2015). MSC: 05A05 05A15 05A10 15B36 PDFBibTeX XMLCite \textit{C. Z. C. Wang} and \textit{Y. Wang}, Discrete Math. 338, No. 4, 566--568 (2015; Zbl 1305.05004) Full Text: DOI
Mattila, Mika; Haukkanen, Pentti On the positive definiteness and eigenvalues of meet and join matrices. (English) Zbl 1290.15022 Discrete Math. 326, 9-19 (2014). MSC: 15B48 05C50 15A42 PDFBibTeX XMLCite \textit{M. Mattila} and \textit{P. Haukkanen}, Discrete Math. 326, 9--19 (2014; Zbl 1290.15022) Full Text: DOI arXiv
Liu, Yue; Shan, Hai-Ying Complex-\(L\) matrix and its recognition. (English) Zbl 1285.15017 Discrete Math. 322, 31-35 (2014). MSC: 15B35 15A03 PDFBibTeX XMLCite \textit{Y. Liu} and \textit{H.-Y. Shan}, Discrete Math. 322, 31--35 (2014; Zbl 1285.15017) Full Text: DOI
Azarija, Jernej A short note on a short remark of Graham and Lovász. (English) Zbl 1278.05069 Discrete Math. 315-316, 65-68 (2014). MSC: 05C05 15A18 PDFBibTeX XMLCite \textit{J. Azarija}, Discrete Math. 315--316, 65--68 (2014; Zbl 1278.05069) Full Text: DOI arXiv
Brualdi, Richard A.; Dahl, Geir Majorization for partially ordered sets. (English) Zbl 1283.15112 Discrete Math. 313, No. 22, 2592-2601 (2013). MSC: 15B51 06A06 PDFBibTeX XMLCite \textit{R. A. Brualdi} and \textit{G. Dahl}, Discrete Math. 313, No. 22, 2592--2601 (2013; Zbl 1283.15112) Full Text: DOI
Erić, Aleksandra; da Fonseca, C. M. The maximum number of P-vertices of some nonsingular double star matrices. (English) Zbl 1281.05091 Discrete Math. 313, No. 20, 2192-2194 (2013). MSC: 05C50 15A18 05B20 PDFBibTeX XMLCite \textit{A. Erić} and \textit{C. M. da Fonseca}, Discrete Math. 313, No. 20, 2192--2194 (2013; Zbl 1281.05091) Full Text: DOI
Zhang, Liang Feng On the eigenvalues of certain matrices over \(\mathbb Z_m\). (English) Zbl 1266.15017 Discrete Math. 313, No. 7, 886-895 (2013). Reviewer: Juan Ramon Torregrosa Sanchez (Valencia) MSC: 15A18 15B33 15A69 PDFBibTeX XMLCite \textit{L. F. Zhang}, Discrete Math. 313, No. 7, 886--895 (2013; Zbl 1266.15017) Full Text: DOI arXiv
Best, Darcy; Kharaghani, Hadi; Ramp, Hugh On unit weighing matrices with small weight. (English) Zbl 1260.05093 Discrete Math. 313, No. 7, 855-864 (2013). MSC: 05C50 05B20 15B34 PDFBibTeX XMLCite \textit{D. Best} et al., Discrete Math. 313, No. 7, 855--864 (2013; Zbl 1260.05093) Full Text: DOI arXiv
Li, Fenggao; Wang, Kaishun; Guo, Jun Symplectic graphs modulo \(pq\). (English) Zbl 1259.05194 Discrete Math. 313, No. 5, 650-655 (2013). MSC: 05E30 05C25 15A15 PDFBibTeX XMLCite \textit{F. Li} et al., Discrete Math. 313, No. 5, 650--655 (2013; Zbl 1259.05194) Full Text: DOI
Lampio, Pekka H. J.; Szöllősi, Ferenc; Östergård, Patric R. J. The quaternary complex Hadamard matrices of orders 10, 12, and 14. (English) Zbl 1256.05032 Discrete Math. 313, No. 2, 189-206 (2013). MSC: 05B20 15B34 PDFBibTeX XMLCite \textit{P. H. J. Lampio} et al., Discrete Math. 313, No. 2, 189--206 (2013; Zbl 1256.05032) Full Text: DOI arXiv
Das, Kinkar Ch. Proof of conjectures on adjacency eigenvalues of graphs. (English) Zbl 1254.05099 Discrete Math. 313, No. 1, 19-25 (2013). MSC: 05C50 05C12 15A18 PDFBibTeX XMLCite \textit{K. Ch. Das}, Discrete Math. 313, No. 1, 19--25 (2013; Zbl 1254.05099) Full Text: DOI
Johnson, Charles R.; Sawikowska, Aneta Minimizing the least eigenvalue of graphs with fixed order and size. (English) Zbl 1245.05086 Discrete Math. 312, No. 15, 2272-2285 (2012). MSC: 05C50 15B99 PDFBibTeX XMLCite \textit{C. R. Johnson} and \textit{A. Sawikowska}, Discrete Math. 312, No. 15, 2272--2285 (2012; Zbl 1245.05086) Full Text: DOI
Pragel, Daniel Determinants of box products of paths. (English) Zbl 1242.05168 Discrete Math. 312, No. 10, 1844-1847 (2012). MSC: 05C50 05B20 15A15 PDFBibTeX XMLCite \textit{D. Pragel}, Discrete Math. 312, No. 10, 1844--1847 (2012; Zbl 1242.05168) Full Text: DOI arXiv