Lin, Huiqiu; Zhai, Mingqing; Zhao, Yanhua Spectral radius, edge-disjoint cycles and cycles of the same length. (English) Zbl 07525868 Electron. J. Comb. 29, No. 2, Research Paper P2.1, 26 p. (2022). Reviewer: Rosário Fernandes (Lisboa) MSC: 05C50 05C35 05C38 05C12 PDF BibTeX XML Cite \textit{H. Lin} et al., Electron. J. Comb. 29, No. 2, Research Paper P2.1, 26 p. (2022; Zbl 07525868) Full Text: DOI OpenURL
Cvetković, Aleksandar; Protasov, Vladimir Yu. The greedy strategy for optimizing the Perron eigenvalue. (English) Zbl 07516304 Math. Program. 193, No. 1 (A), 1-31 (2022). MSC: 65F15 90C26 15A42 PDF BibTeX XML Cite \textit{A. Cvetković} and \textit{V. Yu. Protasov}, Math. Program. 193, No. 1 (A), 1--31 (2022; Zbl 07516304) Full Text: DOI OpenURL
Chen, Yuanyuan; Li, Dan; Meng, Jixiang On the \(A_\alpha\)- spectral radius of Halin graphs. (English) Zbl 07515372 Linear Algebra Appl. 645, 153-164 (2022). MSC: 05C50 PDF BibTeX XML Cite \textit{Y. Chen} et al., Linear Algebra Appl. 645, 153--164 (2022; Zbl 07515372) Full Text: DOI OpenURL
Gao, Guorong; Chang, An; Hou, Yuan Spectral radius on linear \(r\)-graphs without expanded \(K_{r+1}\). (English) Zbl 07510401 SIAM J. Discrete Math. 36, No. 2, 1000-1011 (2022). Reviewer: Fenglei Tian (Rizhao) MSC: 05C50 05C35 05C65 05C30 PDF BibTeX XML Cite \textit{G. Gao} et al., SIAM J. Discrete Math. 36, No. 2, 1000--1011 (2022; Zbl 07510401) Full Text: DOI OpenURL
Conde, Cristian M.; Dratman, Ezequiel; Grippo, Luciano N. On the spectral radius of block graphs having all their blocks of the same size. (English) Zbl 1479.05196 Linear Algebra Appl. 634, 137-148 (2022). Reviewer: Carlos M. da Fonseca (Safat) MSC: 05C50 05C12 05C51 PDF BibTeX XML Cite \textit{C. M. Conde} et al., Linear Algebra Appl. 634, 137--148 (2022; Zbl 1479.05196) Full Text: DOI arXiv OpenURL
Kim, Jaehoon; Kim, Soyeon; O, Suil; Oh, Semin A Cvetković-type theorem for coloring of digraphs. (English) Zbl 1482.05137 Linear Algebra Appl. 634, 30-36 (2022). Reviewer: Wai-Kai Chen (Fremont) MSC: 05C20 05C15 05C50 05C31 15A18 PDF BibTeX XML Cite \textit{J. Kim} et al., Linear Algebra Appl. 634, 30--36 (2022; Zbl 1482.05137) Full Text: DOI OpenURL
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 PDF BibTeX XML Cite \textit{W. Wei} et al., Discrete Math. 345, No. 2, Article ID 112686, 29 p. (2022; Zbl 1479.05214) Full Text: DOI OpenURL
Li, Zhiqun; Su, Huadong The radius of unit graphs of rings. (English) Zbl 07536403 AIMS Math. 6, No. 10, 11508-11515 (2021). MSC: 16U60 05C25 PDF BibTeX XML Cite \textit{Z. Li} and \textit{H. Su}, AIMS Math. 6, No. 10, 11508--11515 (2021; Zbl 07536403) Full Text: DOI OpenURL
Shi, Zhan; Sidoravicius, Vladas; Song, He; Wang, Longmin; Xiang, Kainan Uniform spanning forests on biased Euclidean lattices. (English) Zbl 1483.05165 Ann. Inst. Henri Poincaré, Probab. Stat. 57, No. 3, 1569-1582 (2021). MSC: 05C81 05C30 05C50 60G50 60J10 05C63 05C80 60C05 PDF BibTeX XML Cite \textit{Z. Shi} et al., Ann. Inst. Henri Poincaré, Probab. Stat. 57, No. 3, 1569--1582 (2021; Zbl 1483.05165) Full Text: DOI arXiv OpenURL
Zhang, Rong; Guo, Shuguang The \({A_\alpha}\)-spectral radius of the complement of unicyclic and bicyclic graphs with \(n\) vertices. (Chinese. English summary) Zbl 07448224 Appl. Math., Ser. A (Chin. Ed.) 36, No. 2, 247-252 (2021). MSC: 05C50 05C35 05C38 PDF BibTeX XML Cite \textit{R. Zhang} and \textit{S. Guo}, Appl. Math., Ser. A (Chin. Ed.) 36, No. 2, 247--252 (2021; Zbl 07448224) Full Text: DOI OpenURL
Kume, Misaki; Miezaki, Tsuyoshi; Sakuma, Tadashi; Shinohara, Hidehiro Tutte polynomial, complete invariant, and theta series. (English) Zbl 1482.05165 Graphs Comb. 37, No. 5, 1545-1558 (2021). Reviewer: Alberto Luis Delgado (Normal) MSC: 05C31 05C60 05B35 94B05 94B75 PDF BibTeX XML Cite \textit{M. Kume} et al., Graphs Comb. 37, No. 5, 1545--1558 (2021; Zbl 1482.05165) Full Text: DOI arXiv OpenURL
Qin, Rui; Li, Dan; Meng, Jixiang On the \(D_\alpha\)-spectral radius of two types of graphs. (English) Zbl 07422808 Appl. Math. Comput. 396, Article ID 125898, 12 p. (2021). MSC: 05Cxx 15Axx PDF BibTeX XML Cite \textit{R. Qin} et al., Appl. Math. Comput. 396, Article ID 125898, 12 p. (2021; Zbl 07422808) Full Text: DOI OpenURL
Guest, Kelly; Johnson, Andrew; Johnson, Peter; Jones, William; Takahashi, Yuki; Zhang, Zhichun (Joy) Graphs with prescribed radius, diameter, and center. (English) Zbl 1469.05051 Int. J. Math. Comput. Sci. 16, No. 4, 1479-1486 (2021). MSC: 05C12 PDF BibTeX XML Cite \textit{K. Guest} et al., Int. J. Math. Comput. Sci. 16, No. 4, 1479--1486 (2021; Zbl 1469.05051) Full Text: arXiv Link OpenURL
Wang, Zhao; Mao, Yaping; Furtula, Boris; Wang, Xu Bounds for the spectral radius and energy of extended adjacency matrix of graphs. (English) Zbl 1472.05103 Linear Multilinear Algebra 69, No. 10, 1813-1824 (2021). MSC: 05C50 05C92 92E10 05C09 PDF BibTeX XML Cite \textit{Z. Wang} et al., Linear Multilinear Algebra 69, No. 10, 1813--1824 (2021; Zbl 1472.05103) Full Text: DOI OpenURL
Deng, Yuyuan; Li, Dangui; Lin, Hongying; Zhou, Bo Distance spectral radius of series-reduced trees with parameters. (English) Zbl 1479.05197 RAIRO, Oper. Res. 55, Suppl., S2561-S2574 (2021). Reviewer: Stephan Wagner (Uppsala) MSC: 05C50 05C35 05C05 05C12 PDF BibTeX XML Cite \textit{Y. Deng} et al., RAIRO, Oper. Res. 55, S2561--S2574 (2021; Zbl 1479.05197) Full Text: DOI OpenURL
Alhevaz, Abdollah; Baghipur, Maryam; Pirzada, Shariefuddin; Shang, Yilun Some inequalities involving the distance signless Laplacian eigenvalues of graphs. (English) Zbl 1474.05239 Trans. Comb. 10, No. 1, 9-29 (2021). MSC: 05C50 05C12 05A18 05C76 PDF BibTeX XML Cite \textit{A. Alhevaz} et al., Trans. Comb. 10, No. 1, 9--29 (2021; Zbl 1474.05239) Full Text: DOI OpenURL
Fedoryaeva, Tatiana Ivanovna Center and its spectrum of almost all \(n\)-vertex graphs of given diameter. (English) Zbl 1462.05120 Sib. Èlektron. Mat. Izv. 18, No. 1, 511-529 (2021). MSC: 05C12 05C80 PDF BibTeX XML Cite \textit{T. I. Fedoryaeva}, Sib. Èlektron. Mat. Izv. 18, No. 1, 511--529 (2021; Zbl 1462.05120) Full Text: DOI OpenURL
Erey, Aysel Maximal distance spectral radius of 4-chromatic planar graphs. (English) Zbl 1462.05219 Linear Algebra Appl. 618, 183-202 (2021). MSC: 05C50 05C10 PDF BibTeX XML Cite \textit{A. Erey}, Linear Algebra Appl. 618, 183--202 (2021; Zbl 1462.05219) Full Text: DOI arXiv OpenURL
Conde, Cristian M.; Dratman, Ezequiel; Grippo, Luciano N. On the spectral radius of block graphs with prescribed independence number \(\alpha\). (English) Zbl 1459.05166 Linear Algebra Appl. 614, 111-124 (2021). MSC: 05C50 05C51 15A18 PDF BibTeX XML Cite \textit{C. M. Conde} et al., Linear Algebra Appl. 614, 111--124 (2021; Zbl 1459.05166) Full Text: DOI OpenURL
Seeger, Alberto; Sossa, David On cardinality of complementarity spectra of connected graphs. (English) Zbl 1459.05186 Linear Algebra Appl. 614, 5-23 (2021). MSC: 05C50 05C40 15A42 PDF BibTeX XML Cite \textit{A. Seeger} and \textit{D. Sossa}, Linear Algebra Appl. 614, 5--23 (2021; Zbl 1459.05186) Full Text: DOI OpenURL
Monsalve, Juan; Rada, Juan Extremal spectral radius of graphs with rank 4. (English) Zbl 1458.05152 Linear Algebra Appl. 609, 1-11 (2021). MSC: 05C50 05C35 PDF BibTeX XML Cite \textit{J. Monsalve} and \textit{J. Rada}, Linear Algebra Appl. 609, 1--11 (2021; Zbl 1458.05152) Full Text: DOI OpenURL
Lin, Huiqiu; Zhang, Yuke Extremal problems on distance spectra of graphs. (English) Zbl 1454.05070 Discrete Appl. Math. 289, 139-147 (2021). MSC: 05C50 05C45 05C35 PDF BibTeX XML Cite \textit{H. Lin} and \textit{Y. Zhang}, Discrete Appl. Math. 289, 139--147 (2021; Zbl 1454.05070) Full Text: DOI OpenURL
Barik, Sasmita; Rani, Sonu Bounds on the \(ABC\) spectral radius of a tree. (English) Zbl 1468.05030 Electron. J. Graph Theory Appl. 8, No. 2, 423-434 (2020). MSC: 05C05 05C35 05C50 92E10 PDF BibTeX XML Cite \textit{S. Barik} and \textit{S. Rani}, Electron. J. Graph Theory Appl. 8, No. 2, 423--434 (2020; Zbl 1468.05030) Full Text: DOI OpenURL
Benaych-Georges, Florent; Bordenave, Charles; Knowles, Antti Spectral radii of sparse random matrices. (English. French summary) Zbl 1459.15036 Ann. Inst. Henri Poincaré, Probab. Stat. 56, No. 3, 2141-2161 (2020). Reviewer: David B. Penman (Colchester) MSC: 15B52 15B51 15A60 05C80 60B20 05C50 PDF BibTeX XML Cite \textit{F. Benaych-Georges} et al., Ann. Inst. Henri Poincaré, Probab. Stat. 56, No. 3, 2141--2161 (2020; Zbl 1459.15036) Full Text: DOI arXiv Euclid OpenURL
Cvetković, Aleksandar; Protasov, Vladimir Yu. Maximal acyclic subgraphs and closest stable matrices. (English) Zbl 1456.05100 SIAM J. Matrix Anal. Appl. 41, No. 3, 1167-1182 (2020). MSC: 05C50 05C60 15B48 90C26 PDF BibTeX XML Cite \textit{A. Cvetković} and \textit{V. Yu. Protasov}, SIAM J. Matrix Anal. Appl. 41, No. 3, 1167--1182 (2020; Zbl 1456.05100) Full Text: DOI arXiv OpenURL
Bringmann, Karl; Husfeldt, Thore; Magnusson, Måns Multivariate analysis of orthogonal range searching and graph distances. (English) Zbl 1452.68134 Algorithmica 82, No. 8, 2292-2315 (2020). MSC: 68R10 05C09 05C12 68P05 68Q25 68U05 PDF BibTeX XML Cite \textit{K. Bringmann} et al., Algorithmica 82, No. 8, 2292--2315 (2020; Zbl 1452.68134) Full Text: DOI OpenURL
Jaerisch, Johannes; Matsuzaki, Katsuhiko Weighted cogrowth formula for free groups. (English) Zbl 07227230 Groups Geom. Dyn. 14, No. 2, 349-368 (2020). MSC: 20E08 20F65 60J15 PDF BibTeX XML Cite \textit{J. Jaerisch} and \textit{K. Matsuzaki}, Groups Geom. Dyn. 14, No. 2, 349--368 (2020; Zbl 07227230) Full Text: DOI arXiv OpenURL
Dragan, Feodor F.; Guarnera, Heather M. Eccentricity terrain of \(\delta\)-hyperbolic graphs. (English) Zbl 1450.05017 J. Comput. Syst. Sci. 112, 50-65 (2020). MSC: 05C12 05C10 PDF BibTeX XML Cite \textit{F. F. Dragan} and \textit{H. M. Guarnera}, J. Comput. Syst. Sci. 112, 50--65 (2020; Zbl 1450.05017) Full Text: DOI arXiv OpenURL
Chen, Ximing; Ogura, Masaki; Preciado, Victor M. Bounds on the spectral radius of digraphs from subgraph counts. (English) Zbl 1440.05139 SIAM J. Matrix Anal. Appl. 41, No. 2, 525-553 (2020). MSC: 05C50 05C20 05C82 15A18 15B48 44A60 90C22 PDF BibTeX XML Cite \textit{X. Chen} et al., SIAM J. Matrix Anal. Appl. 41, No. 2, 525--553 (2020; Zbl 1440.05139) Full Text: DOI OpenURL
Qin, Rui; Li, Dan; Chen, Yuanyuan; Meng, Jixiang The distance eigenvalues of the complements of unicyclic graphs. (English) Zbl 1437.05146 Linear Algebra Appl. 598, 49-67 (2020). MSC: 05C50 05C12 05C35 PDF BibTeX XML Cite \textit{R. Qin} et al., Linear Algebra Appl. 598, 49--67 (2020; Zbl 1437.05146) Full Text: DOI OpenURL
Wang, Sai; Wong, Dein; Tian, Fenglei Bounds for the largest and the smallest \(A_\alpha\) eigenvalues of a graph in terms of vertex degrees. (English) Zbl 1437.05151 Linear Algebra Appl. 590, 210-223 (2020). MSC: 05C50 05C07 05C35 PDF BibTeX XML Cite \textit{S. Wang} et al., Linear Algebra Appl. 590, 210--223 (2020; Zbl 1437.05151) Full Text: DOI OpenURL
Hochbaum, Dorit S.; Rao, Xu Approximation algorithms for connected maximum coverage problem for the discovery of mutated driver pathways in cancer. (English) Zbl 1432.68575 Inf. Process. Lett. 158, Article ID 105940, 6 p. (2020). MSC: 68W25 05C90 92C50 PDF BibTeX XML Cite \textit{D. S. Hochbaum} and \textit{X. Rao}, Inf. Process. Lett. 158, Article ID 105940, 6 p. (2020; Zbl 1432.68575) Full Text: DOI OpenURL
Stevanović, Dragan; Milosavljević, Nikola; Vukičević, Damir A few examples and counterexamples in spectral graph theory. (English) Zbl 1433.05211 Discuss. Math., Graph Theory 40, No. 2, 637-662 (2020). MSC: 05C50 05C09 05C12 05C07 PDF BibTeX XML Cite \textit{D. Stevanović} et al., Discuss. Math., Graph Theory 40, No. 2, 637--662 (2020; Zbl 1433.05211) Full Text: DOI OpenURL
Mohar, Bojan A new kind of Hermitian matrices for digraphs. (English) Zbl 1426.05009 Linear Algebra Appl. 584, 343-352 (2020). MSC: 05B20 05C20 05C50 15A18 15A60 PDF BibTeX XML Cite \textit{B. Mohar}, Linear Algebra Appl. 584, 343--352 (2020; Zbl 1426.05009) Full Text: DOI arXiv OpenURL
Chattopadhyay, Sriparna; Patra, Kamal Lochan; Sahoo, Binod Kumar Laplacian eigenvalues of the zero divisor graph of the ring \(\mathbb{Z}_n\). (English) Zbl 1426.05062 Linear Algebra Appl. 584, 267-286 (2020). MSC: 05C25 05C50 05C75 05C40 05C12 PDF BibTeX XML Cite \textit{S. Chattopadhyay} et al., Linear Algebra Appl. 584, 267--286 (2020; Zbl 1426.05062) Full Text: DOI arXiv OpenURL
Dalirrooyfard, Mina; Williams, Virginia Vassilevska; Vyas, Nikhil; Wein, Nicole; Xu, Yinzhan; Yu, Yuancheng Approximation algorithms for min-distance problems. (English) Zbl 07561539 Baier, Christel (ed.) et al., 46th international colloquium on automata, languages, and programming, ICALP 2019, Patras, Greece, July 9–12, 2019. Proceedings. Wadern: Schloss Dagstuhl – Leibniz-Zentrum für Informatik. LIPIcs – Leibniz Int. Proc. Inform. 132, Article 46, 14 p. (2019). MSC: 68Nxx 68Qxx PDF BibTeX XML Cite \textit{M. Dalirrooyfard} et al., LIPIcs -- Leibniz Int. Proc. Inform. 132, Article 46, 14 p. (2019; Zbl 07561539) Full Text: DOI OpenURL
Das, Kinkar Chandra On the Zagreb energy and Zagreb Estrada index of graphs. (English) Zbl 1477.05025 MATCH Commun. Math. Comput. Chem. 82, No. 2, 529-542 (2019). MSC: 05C09 05C12 05C07 05C92 92E10 PDF BibTeX XML Cite \textit{K. C. Das}, MATCH Commun. Math. Comput. Chem. 82, No. 2, 529--542 (2019; Zbl 1477.05025) Full Text: Link OpenURL
Qin, Zhengxin On the distance spectral radius of tree-like polyphenyl systems. (English) Zbl 07217231 Ars Comb. 146, 17-27 (2019). MSC: 05C50 05C12 05C90 PDF BibTeX XML Cite \textit{Z. Qin}, Ars Comb. 146, 17--27 (2019; Zbl 07217231) OpenURL
Shaveisi, Farzad; Nasouri, Soheila Dominance graph of binary words. (Persian. English summary) Zbl 1463.05422 JAMM, J. Adv. Math. Model. 9, No. 2, 191-205 (2019). MSC: 05C69 05C20 68R15 PDF BibTeX XML Cite \textit{F. Shaveisi} and \textit{S. Nasouri}, JAMM, J. Adv. Math. Model. 9, No. 2, 191--205 (2019; Zbl 1463.05422) Full Text: DOI OpenURL
Chen, Yuanyuan; Li, Dan; Wang, Zhiwen; Meng, Jixiang \(a_\alpha \)-spectral radius of the second power of a graph. (English) Zbl 1428.05185 Appl. Math. Comput. 359, 418-425 (2019). MSC: 05C50 05C12 PDF BibTeX XML Cite \textit{Y. Chen} et al., Appl. Math. Comput. 359, 418--425 (2019; Zbl 1428.05185) Full Text: DOI OpenURL
Wei, Wei; Li, Shuchao Extremal phenylene chains with respect to the coefficients sum of the permanental polynomial, the spectral radius, the Hosoya index and the Merrifield-Simmons index. (English) Zbl 1428.05156 Discrete Appl. Math. 271, 205-217 (2019). MSC: 05C35 05C50 05C31 05C90 92E10 PDF BibTeX XML Cite \textit{W. Wei} and \textit{S. Li}, Discrete Appl. Math. 271, 205--217 (2019; Zbl 1428.05156) Full Text: DOI OpenURL
Xu, Baogen; Li, Shuchao; Yu, Rong; Zhao, Qin On the spectral radius and energy of the weighted adjacency matrix of a graph. (English) Zbl 1428.05207 Appl. Math. Comput. 340, 156-163 (2019). MSC: 05C50 05C35 05C90 PDF BibTeX XML Cite \textit{B. Xu} et al., Appl. Math. Comput. 340, 156--163 (2019; Zbl 1428.05207) Full Text: DOI OpenURL
Das, Kinkar Chandra; Lin, Huiqiu; Guo, Jiming Distance signless Laplacian eigenvalues of graphs. (English) Zbl 1425.05092 Front. Math. China 14, No. 4, 693-713 (2019). MSC: 05C50 PDF BibTeX XML Cite \textit{K. C. Das} et al., Front. Math. China 14, No. 4, 693--713 (2019; Zbl 1425.05092) Full Text: DOI OpenURL
Anné, Colette; Balti, Marwa; Torki-Hamza, Nabila Sectoriality and essential spectrum of non symmetric graph Laplacians. (English) Zbl 1480.47033 Complex Anal. Oper. Theory 13, No. 3, 967-983 (2019). MSC: 47B12 05C50 47A12 47A10 47B28 39A12 47B37 PDF BibTeX XML Cite \textit{C. Anné} et al., Complex Anal. Oper. Theory 13, No. 3, 967--983 (2019; Zbl 1480.47033) Full Text: DOI arXiv OpenURL
Das, Kinkar Ch.; Hosseinzadeh, Mohammad Ali; Hossein-Zadeh, Samaneh; Iranmanesh, Ali Some bounds for total communicability of graphs. (English) Zbl 1411.05239 Linear Algebra Appl. 569, 266-284 (2019). MSC: 05C82 05C50 15A16 05C12 PDF BibTeX XML Cite \textit{K. Ch. Das} et al., Linear Algebra Appl. 569, 266--284 (2019; Zbl 1411.05239) Full Text: DOI OpenURL
Malaravan, A. Chellaram; Baskar, A. Wilson A note on graph and its complement with specified properties: radius, diameter, center, and periphery. (English) Zbl 1410.05054 Discrete Math. Algorithms Appl. 11, No. 2, Article ID 1950021, 9 p. (2019). MSC: 05C12 PDF BibTeX XML Cite \textit{A. C. Malaravan} and \textit{A. W. Baskar}, Discrete Math. Algorithms Appl. 11, No. 2, Article ID 1950021, 9 p. (2019; Zbl 1410.05054) Full Text: DOI OpenURL
Chen, Zhibing; Golin, Mordecai J.; Yong, Xuerong The transfer matrices and the capacity of the 2-dimensional \((1, \infty)\)-runlength limited constraint. (English) Zbl 1441.05036 Discrete Math. 342, No. 4, 975-987 (2019). MSC: 05B20 05C30 05C69 PDF BibTeX XML Cite \textit{Z. Chen} et al., Discrete Math. 342, No. 4, 975--987 (2019; Zbl 1441.05036) Full Text: DOI OpenURL
Padmapriya, P.; Mathad, Veena Bounds for the first Zagreb eccentricity index and first Zagreb degree eccentricity index. (English) Zbl 1434.05040 Kyungpook Math. J. 58, No. 2, 221-229 (2018). MSC: 05C09 05C10 05C12 05C07 PDF BibTeX XML Cite \textit{P. Padmapriya} and \textit{V. Mathad}, Kyungpook Math. J. 58, No. 2, 221--229 (2018; Zbl 1434.05040) Full Text: DOI OpenURL
Ilić, Aleksandar Bipartite graphs with bounded vertex degree and largest eigenvalue of the form \(\sqrt{r} \). (English) Zbl 1427.05134 Appl. Math. Comput. 330, 288-291 (2018). MSC: 05C50 92E10 PDF BibTeX XML Cite \textit{A. Ilić}, Appl. Math. Comput. 330, 288--291 (2018; Zbl 1427.05134) Full Text: DOI OpenURL
Das, Kinkar Ch.; Liu, Muhuo On two conjectures of spectral graph theory. (English) Zbl 1409.05128 Bull. Iran. Math. Soc. 44, No. 1, 43-51 (2018). MSC: 05C50 15A18 15B36 PDF BibTeX XML Cite \textit{K. Ch. Das} and \textit{M. Liu}, Bull. Iran. Math. Soc. 44, No. 1, 43--51 (2018; Zbl 1409.05128) Full Text: DOI OpenURL
Faghani, M.; Pourhadi, E. A note on the bounds of Laplacian-energy-like-invariant. (English) Zbl 1406.92753 Iran. J. Math. Chem. 9, No. 2, 137-147 (2018). MSC: 92E10 05C90 PDF BibTeX XML Cite \textit{M. Faghani} and \textit{E. Pourhadi}, Iran. J. Math. Chem. 9, No. 2, 137--147 (2018; Zbl 1406.92753) Full Text: Link OpenURL
Jia, Huicai; Liu, Ruifang; Du, Xue Wiener index and Harary index on Hamilton-connected and traceable graphs. (English) Zbl 06986930 Ars Comb. 141, 53-62 (2018). MSC: 05C09 05C50 05C12 05C92 92E10 PDF BibTeX XML Cite \textit{H. Jia} et al., Ars Comb. 141, 53--62 (2018; Zbl 06986930) OpenURL
Alhevaz, Abdollah; Baghipur, Maryam; Hashemi, Ebrahim Further results on the distance signless Laplacian spectrum of graphs. (English) Zbl 1402.05132 Asian-Eur. J. Math. 11, No. 5, Article ID 1850066, 15 p. (2018). MSC: 05C50 05C12 15A18 PDF BibTeX XML Cite \textit{A. Alhevaz} et al., Asian-Eur. J. Math. 11, No. 5, Article ID 1850066, 15 p. (2018; Zbl 1402.05132) Full Text: DOI OpenURL
Murtuzalieva, S. C.; Skorokhodov, V. A. One characterization of the spectral radius of an directed graph. (Russian. English summary) Zbl 1402.05091 Vestn. Voronezh. Gos. Univ., Ser. Fiz. Mat. 2018, No. 1, 115-127 (2018). MSC: 05C20 05C50 PDF BibTeX XML Cite \textit{S. C. Murtuzalieva} and \textit{V. A. Skorokhodov}, Vestn. Voronezh. Gos. Univ., Ser. Fiz. Mat. 2018, No. 1, 115--127 (2018; Zbl 1402.05091) OpenURL
Evdokimov, A. A.; Fedoryaeva, T. I. Tree-like structure graphs with full diversity of balls. (Russian, English) Zbl 1413.05077 Diskretn. Anal. Issled. Oper. 25, No. 1, 25-41 (2018); translation in J. Appl. Ind. Math. 12, No. 1, 19-27 (2018). MSC: 05C12 05C35 05C50 05C40 PDF BibTeX XML Cite \textit{A. A. Evdokimov} and \textit{T. I. Fedoryaeva}, Diskretn. Anal. Issled. Oper. 25, No. 1, 25--41 (2018; Zbl 1413.05077); translation in J. Appl. Ind. Math. 12, No. 1, 19--27 (2018) Full Text: DOI OpenURL
Zhan, Fuqin; Qiao, Youfu; Cai, Junliang On edge-Zagreb spectral radius and edge-Zagreb energy of graphs. (English) Zbl 1397.05107 Linear Multilinear Algebra 66, No. 12, 2512-2523 (2018). MSC: 05C50 15A18 92E10 PDF BibTeX XML Cite \textit{F. Zhan} et al., Linear Multilinear Algebra 66, No. 12, 2512--2523 (2018; Zbl 1397.05107) Full Text: DOI OpenURL
Huang, Fei; Wang, Shujing On unicycle graphs with maximum Harary spectral radius. (English) Zbl 06940820 Ars Comb. 140, 311-319 (2018). MSC: 05C50 15A18 92E10 PDF BibTeX XML Cite \textit{F. Huang} and \textit{S. Wang}, Ars Comb. 140, 311--319 (2018; Zbl 06940820) OpenURL
Oboudi, Mohammad Reza On the eigenvalues and spectral radius of starlike trees. (English) Zbl 1432.05063 Aequationes Math. 92, No. 4, 683-694 (2018). Reviewer: Carlos Alfaro (Ciudad de México) MSC: 05C50 05C31 05C05 15A18 PDF BibTeX XML Cite \textit{M. R. Oboudi}, Aequationes Math. 92, No. 4, 683--694 (2018; Zbl 1432.05063) Full Text: DOI OpenURL
Firer, Marcelo; Alves, Marcelo Muniz S.; Pinheiro, Jerry Anderson; Panek, Luciano Poset codes: partial orders, metrics and coding theory. (English) Zbl 1480.94001 SpringerBriefs in Mathematics; SBMAC SpringerBriefs. Cham: Springer; Rio de Janeiro: Sociedade Brasileira de Matemática Aplicada e Computacional (SBMAC) (ISBN 978-3-319-93820-2/pbk; 978-3-319-93821-9/ebook). ix, 127 p. (2018). MSC: 94-01 94B05 06A07 PDF BibTeX XML Cite \textit{M. Firer} et al., Poset codes: partial orders, metrics and coding theory. Cham: Springer; Rio de Janeiro: Sociedade Brasileira de Matemática Aplicada e Computacional (SBMAC) (2018; Zbl 1480.94001) Full Text: DOI OpenURL
Hrnčiar, Pavel; Monoszová, Gabriela Hamiltonian and pancyclic graphs in the class of self-centered graphs with radius two. (English) Zbl 1391.05096 Discuss. Math., Graph Theory 38, No. 3, 661-681 (2018). MSC: 05C12 05C35 05C45 PDF BibTeX XML Cite \textit{P. Hrnčiar} and \textit{G. Monoszová}, Discuss. Math., Graph Theory 38, No. 3, 661--681 (2018; Zbl 1391.05096) Full Text: DOI OpenURL
Jahanbani, Akbar Lower bounds for the energy of graphs. (English) Zbl 1390.05129 AKCE Int. J. Graphs Comb. 15, No. 1, 88-96 (2018). MSC: 05C50 PDF BibTeX XML Cite \textit{A. Jahanbani}, AKCE Int. J. Graphs Comb. 15, No. 1, 88--96 (2018; Zbl 1390.05129) Full Text: DOI OpenURL
Chen, Xiaodan; Hou, Yaoping; Qian, Jianguo Sufficient conditions for Hamiltonian graphs in terms of (signless Laplacian) spectral radius. (English) Zbl 1391.05161 Linear Multilinear Algebra 66, No. 5, 919-936 (2018). MSC: 05C50 PDF BibTeX XML Cite \textit{X. Chen} et al., Linear Multilinear Algebra 66, No. 5, 919--936 (2018; Zbl 1391.05161) Full Text: DOI OpenURL
Chen, Ming-Zhu; Zhang, Xiao-Dong The number of edges, spectral radius and Hamilton-connectedness of graphs. (English) Zbl 1393.05176 J. Comb. Optim. 35, No. 4, 1104-1127 (2018). MSC: 05C50 05C35 05C45 05C30 PDF BibTeX XML Cite \textit{M.-Z. Chen} and \textit{X.-D. Zhang}, J. Comb. Optim. 35, No. 4, 1104--1127 (2018; Zbl 1393.05176) Full Text: DOI OpenURL
Nikiforov, Vladimir; Rojo, Oscar On the \(\alpha\)-index of graphs with pendent paths. (English) Zbl 1385.05051 Linear Algebra Appl. 550, 87-104 (2018). MSC: 05C50 05C12 15B48 PDF BibTeX XML Cite \textit{V. Nikiforov} and \textit{O. Rojo}, Linear Algebra Appl. 550, 87--104 (2018; Zbl 1385.05051) Full Text: DOI arXiv OpenURL
Szymański, Konrad; Weis, Stephan; Życzkowski, Karol Classification of joint numerical ranges of three Hermitian matrices of size three. (English) Zbl 06859204 Linear Algebra Appl. 545, 148-173 (2018). MSC: 47A12 47L07 52A20 52A15 52B05 05C10 PDF BibTeX XML Cite \textit{K. Szymański} et al., Linear Algebra Appl. 545, 148--173 (2018; Zbl 06859204) Full Text: DOI arXiv OpenURL
de la Peña, José Antonio; Jiménez-González, Jesús Arturo Bounds related to Coxeter spectral measures of graphs. (English) Zbl 1384.05111 Linear Algebra Appl. 545, 32-54 (2018). MSC: 05C50 15A18 05C20 15A42 20F55 05C05 16G20 PDF BibTeX XML Cite \textit{J. A. de la Peña} and \textit{J. A. Jiménez-González}, Linear Algebra Appl. 545, 32--54 (2018; Zbl 1384.05111) Full Text: DOI OpenURL
Dębski, Michał; Lonc, Zbigniew; Rzążewski, Paweł Achromatic and harmonious colorings of circulant graphs. (English) Zbl 1380.05058 J. Graph Theory 87, No. 1, 18-34 (2018). MSC: 05C15 PDF BibTeX XML Cite \textit{M. Dębski} et al., J. Graph Theory 87, No. 1, 18--34 (2018; Zbl 1380.05058) Full Text: DOI OpenURL
Aouchiche, Mustapha; Hansen, Pierre Distance Laplacian eigenvalues and chromatic number in graphs. (English) Zbl 07410852 Filomat 31, No. 9, 2545-2555 (2017). MSC: 05C50 05C12 05C35 05C15 PDF BibTeX XML Cite \textit{M. Aouchiche} and \textit{P. Hansen}, Filomat 31, No. 9, 2545--2555 (2017; Zbl 07410852) Full Text: DOI OpenURL
Khormali, Omid On the connectivity of \(k\)-distance graphs. (English) Zbl 1467.05064 Electron. J. Graph Theory Appl. 5, No. 1, 83-93 (2017). MSC: 05C12 05C15 PDF BibTeX XML Cite \textit{O. Khormali}, Electron. J. Graph Theory Appl. 5, No. 1, 83--93 (2017; Zbl 1467.05064) Full Text: DOI OpenURL
Priyadarshi, Amit Infinite graph-directed systems and Hausdorff dimension. (English) Zbl 1431.28014 Waves Wavelets Fractals, Adv. Anal. 3, 84-95 (2017). MSC: 28A80 37B25 47H07 47J10 37C30 PDF BibTeX XML Cite \textit{A. Priyadarshi}, Waves Wavelets Fractals, Adv. Anal. 3, 84--95 (2017; Zbl 1431.28014) Full Text: DOI OpenURL
Huang, Peng; Shiu, Wai Chee; Sun, Pak Kiu A relationship between the walks and the semi-edge walks of graphs. (English) Zbl 1399.05148 J. Math. Res. Appl. 37, No. 5, 520-526 (2017). MSC: 05C50 05C10 05C40 PDF BibTeX XML Cite \textit{P. Huang} et al., J. Math. Res. Appl. 37, No. 5, 520--526 (2017; Zbl 1399.05148) Full Text: DOI OpenURL
Oboudi, Mohammad Reza On the difference between the spectral radius and the maximum degree of graphs. (English) Zbl 1388.05092 Algebra Discrete Math. 24, No. 2, 302-307 (2017). MSC: 05C31 05C50 15A18 PDF BibTeX XML Cite \textit{M. R. Oboudi}, Algebra Discrete Math. 24, No. 2, 302--307 (2017; Zbl 1388.05092) OpenURL
Bielak, Halina; Broniszewska, Katarzyna Eccentric distance sum index for some classes of connected graphs. (English) Zbl 1386.05043 Ann. Univ. Mariae Curie-Skłodowska, Sect. A 71, No. 2, 25-32 (2017). MSC: 05C12 05C40 05C90 PDF BibTeX XML Cite \textit{H. Bielak} and \textit{K. Broniszewska}, Ann. Univ. Mariae Curie-Skłodowska, Sect. A 71, No. 2, 25--32 (2017; Zbl 1386.05043) OpenURL
Alhevaz, Abdollah; Baghipur, Maryam; Rahimi, Sadegh Bounds on hyper-Wiener index of graphs. (English) Zbl 1372.05055 Asian-Eur. J. Math. 10, No. 3, Article ID 1750057, 15 p. (2017). MSC: 05C12 05C10 05C40 05C69 PDF BibTeX XML Cite \textit{A. Alhevaz} et al., Asian-Eur. J. Math. 10, No. 3, Article ID 1750057, 15 p. (2017; Zbl 1372.05055) Full Text: DOI OpenURL
Tait, Michael; Tobin, Josh Three conjectures in extremal spectral graph theory. (English) Zbl 1368.05098 J. Comb. Theory, Ser. B 126, 137-161 (2017). MSC: 05C50 05C35 05C10 PDF BibTeX XML Cite \textit{M. Tait} and \textit{J. Tobin}, J. Comb. Theory, Ser. B 126, 137--161 (2017; Zbl 1368.05098) Full Text: DOI arXiv OpenURL
Visweswaran, S.; Sarman, Patat Some properties of the complement of the annihilator graph of a commutative reduced ring. (English) Zbl 1437.13017 Palest. J. Math. 6, No. 2, 434-447 (2017). Reviewer: Mohammad Javad Nikmehr (Tehran) MSC: 13A70 13A15 PDF BibTeX XML Cite \textit{S. Visweswaran} and \textit{P. Sarman}, Palest. J. Math. 6, No. 2, 434--447 (2017; Zbl 1437.13017) Full Text: Link OpenURL
Chen, Xiaolin; Lian, Huishu Solution to a problem on skew spectral radii of oriented graphs. (English) Zbl 1361.05057 Linear Algebra Appl. 524, 61-67 (2017). MSC: 05C20 05C50 05C31 05C70 05C90 PDF BibTeX XML Cite \textit{X. Chen} and \textit{H. Lian}, Linear Algebra Appl. 524, 61--67 (2017; Zbl 1361.05057) Full Text: DOI OpenURL
Liu, Muhuo; Das, Kinkar Ch.; Lai, Hong-Jian The (signless) Laplacian spectral radii of \(c\)-cyclic graphs with \(n\) vertices, girth \(g\) and \(k\) pendant vertices. (English) Zbl 1365.05181 Linear Multilinear Algebra 65, No. 5, 869-881 (2017). MSC: 05C50 05C35 05C75 PDF BibTeX XML Cite \textit{M. Liu} et al., Linear Multilinear Algebra 65, No. 5, 869--881 (2017; Zbl 1365.05181) Full Text: DOI OpenURL
Abboud, Amir; Censor-Hillel, Keren; Khoury, Seri Near-linear lower bounds for distributed distance computations, even in sparse networks. (English) Zbl 1393.68129 Gavoille, Cyril (ed.) et al., Distributed computing. 30th international symposium, DISC 2016, Paris, France, September 27–29, 2016. Proceedings. Berlin: Springer (ISBN 978-3-662-53425-0/pbk; 978-3-662-53426-7/ebook). Lecture Notes in Computer Science 9888, 29-42 (2016). MSC: 68R10 68Q17 PDF BibTeX XML Cite \textit{A. Abboud} et al., Lect. Notes Comput. Sci. 9888, 29--42 (2016; Zbl 1393.68129) Full Text: DOI arXiv OpenURL
Chen, Xiaodan; Hou, Yaoping Upper bounds for the signless Laplacian spectral radius of graphs on surfaces. (English) Zbl 1462.05214 Filomat 30, No. 13, 3473-3481 (2016). MSC: 05C50 05C22 05C10 PDF BibTeX XML Cite \textit{X. Chen} and \textit{Y. Hou}, Filomat 30, No. 13, 3473--3481 (2016; Zbl 1462.05214) Full Text: DOI OpenURL
Badie, Mehdi Comaximal graph of \(C(X)\). (English) Zbl 1389.54053 Commentat. Math. Univ. Carol. 57, No. 3, 353-364 (2016). Reviewer: Wu Tongsuo (Shanghai) MSC: 54C40 13A15 05C25 PDF BibTeX XML Cite \textit{M. Badie}, Commentat. Math. Univ. Carol. 57, No. 3, 353--364 (2016; Zbl 1389.54053) Full Text: DOI OpenURL
Das, Kinkar Ch.; Guo, Ji-Ming Eigenvalues of the \(k\)-th power of a graph. (English) Zbl 1350.05093 Math. Nachr. 289, No. 13, 1585-1593 (2016). MSC: 05C50 05C12 PDF BibTeX XML Cite \textit{K. Ch. Das} and \textit{J.-M. Guo}, Math. Nachr. 289, No. 13, 1585--1593 (2016; Zbl 1350.05093) Full Text: DOI OpenURL
Liu, Min-Hui; Tian, Gui-Xian; Cui, Shu-Yu Some sharp bounds for the spectral radius and energy of digraphs. (English) Zbl 1413.05237 Ars Comb. 127, 45-55 (2016). MSC: 05C50 05C35 05C90 05C20 PDF BibTeX XML Cite \textit{M.-H. Liu} et al., Ars Comb. 127, 45--55 (2016; Zbl 1413.05237) OpenURL
Das, Kinkar Ch.; Liu, Muhuo Quotient of spectral radius, (signless) Laplacian spectral radius and clique number of graphs. (English) Zbl 1413.05223 Czech. Math. J. 66, No. 3, 1039-1048 (2016). Reviewer: Dragan Stevanović (Niš) MSC: 05C50 05C75 05C35 PDF BibTeX XML Cite \textit{K. Ch. Das} and \textit{M. Liu}, Czech. Math. J. 66, No. 3, 1039--1048 (2016; Zbl 1413.05223) Full Text: DOI Link OpenURL
Abért, Miklós; Glasner, Yair; Virág, Bálint The measurable Kesten theorem. (English) Zbl 1339.05365 Ann. Probab. 44, No. 3, 1601-1646 (2016). MSC: 05C80 05C05 05C38 05C50 60G50 82C41 PDF BibTeX XML Cite \textit{M. Abért} et al., Ann. Probab. 44, No. 3, 1601--1646 (2016; Zbl 1339.05365) Full Text: DOI arXiv Euclid OpenURL
Oliva, Gabriele; Setola, Roberto; Hadjicostis, Christoforos N. Distributed finite-time calculation of node eccentricities, graph radius and graph diameter. (English) Zbl 1338.93031 Syst. Control Lett. 92, 20-27 (2016). MSC: 93A14 94C15 68T42 93B40 PDF BibTeX XML Cite \textit{G. Oliva} et al., Syst. Control Lett. 92, 20--27 (2016; Zbl 1338.93031) Full Text: DOI OpenURL
Protasov, Vladimir Yu. Spectral simplex method. (English) Zbl 1337.65047 Math. Program. 156, No. 1-2 (A), 485-511 (2016). Reviewer: Hang Lau (Montréal) MSC: 65K05 15B48 90C26 15A42 PDF BibTeX XML Cite \textit{V. Yu. Protasov}, Math. Program. 156, No. 1--2 (A), 485--511 (2016; Zbl 1337.65047) Full Text: DOI OpenURL
Mertzios, George B.; Spirakis, Paul G. Algorithms and almost tight results for 3-colorability of small diameter graphs. (English) Zbl 1336.68142 Algorithmica 74, No. 1, 385-414 (2016). MSC: 68Q25 05C15 05C85 68Q17 PDF BibTeX XML Cite \textit{G. B. Mertzios} and \textit{P. G. Spirakis}, Algorithmica 74, No. 1, 385--414 (2016; Zbl 1336.68142) Full Text: DOI OpenURL
Wang, Chuanlong; Yong, Xuerong; Golin, Mordecai The channel capacity of read/write isolated memory. (English) Zbl 1344.68066 Discrete Appl. Math. 198, 264-273 (2016). MSC: 68P20 05C50 05C90 68P30 94A40 PDF BibTeX XML Cite \textit{C. Wang} et al., Discrete Appl. Math. 198, 264--273 (2016; Zbl 1344.68066) Full Text: DOI OpenURL
Huang, Fei; Li, Xueliang; Wang, Shujing On graphs with maximum Harary spectral radius. (English) Zbl 1410.05127 Appl. Math. Comput. 266, 937-945 (2015). MSC: 05C50 15A18 92E10 PDF BibTeX XML Cite \textit{F. Huang} et al., Appl. Math. Comput. 266, 937--945 (2015; Zbl 1410.05127) Full Text: DOI arXiv OpenURL
Cygan, Marek; Gabow, Harold N.; Sankowski, Piotr Algorithmic applications of Baur-Strassen’s theorem, shortest cycles, diameter, and matchings. (English) Zbl 1426.05164 J. ACM 62, No. 4, Article No. 28, 30 p. (2015). MSC: 05C85 05C22 05C38 05C50 05C70 68Q25 90C35 PDF BibTeX XML Cite \textit{M. Cygan} et al., J. ACM 62, No. 4, Article No. 28, 30 p. (2015; Zbl 1426.05164) Full Text: DOI arXiv OpenURL
Pastén, Germain; Rojo, Oscar Laplacian spectrum, Laplacian-energy-like invariant, and Kirchhoff index of graphs constructed by adding edges on pendent vertices. (English) Zbl 1464.05104 MATCH Commun. Math. Comput. Chem. 73, No. 1, 27-40 (2015). MSC: 05C09 05C92 92E10 05C50 PDF BibTeX XML Cite \textit{G. Pastén} and \textit{O. Rojo}, MATCH Commun. Math. Comput. Chem. 73, No. 1, 27--40 (2015; Zbl 1464.05104) OpenURL
Yu, G.; Feng, L.; Ilić, A.; Stevanović, D. The signless Laplacian spectral radius of bounded degree graphs on surfaces. (English) Zbl 1464.05258 Appl. Anal. Discrete Math. 9, No. 2, 332-346 (2015). MSC: 05C50 05C07 05C10 PDF BibTeX XML Cite \textit{G. Yu} et al., Appl. Anal. Discrete Math. 9, No. 2, 332--346 (2015; Zbl 1464.05258) Full Text: DOI OpenURL
Deng, Hanyuan; Tang, Zikai; Zhang, Jie On a conjecture of Randić index and graph radius. (English) Zbl 1464.05064 Filomat 29, No. 6, 1369-1375 (2015). MSC: 05C09 05C07 05C92 92E10 05C35 05C12 PDF BibTeX XML Cite \textit{H. Deng} et al., Filomat 29, No. 6, 1369--1375 (2015; Zbl 1464.05064) Full Text: DOI arXiv OpenURL
Janbaz, Shahrooz; Taheri, Zahra; Zaghian, Ali Sparse codes derived from graphs. (English) Zbl 1363.94087 Sci. Bull., Ser. A, Appl. Math. Phys., Politeh. Univ. Buchar. 77, No. 4, 105-116 (2015). MSC: 94B05 94C15 PDF BibTeX XML Cite \textit{S. Janbaz} et al., Sci. Bull., Ser. A, Appl. Math. Phys., Politeh. Univ. Buchar. 77, No. 4, 105--116 (2015; Zbl 1363.94087) OpenURL
Fedoryaeva, T. I. The diversity vector of balls of a typical graph of small diameter. (Russian) Zbl 1349.05085 Diskretn. Anal. Issled. Oper. 22, No. 6, 43-54 (2015). MSC: 05C12 PDF BibTeX XML Cite \textit{T. I. Fedoryaeva}, Diskretn. Anal. Issled. Oper. 22, No. 6, 43--54 (2015; Zbl 1349.05085) Full Text: MNR OpenURL
Du, Zhibin On the atom-bond connectivity index and radius of connected graphs. (English) Zbl 1333.05092 J. Inequal. Appl. 2015, Paper No. 188, 8 p. (2015). MSC: 05C12 05C35 92E10 PDF BibTeX XML Cite \textit{Z. Du}, J. Inequal. Appl. 2015, Paper No. 188, 8 p. (2015; Zbl 1333.05092) Full Text: DOI OpenURL
Alomari, Omar; Abudayah, Mohammad; Al-Ezeh, Hasan Graphs whose complement and cube are isomorphic. (English) Zbl 1335.05054 J. Comb. Math. Comb. Comput. 94, 261-271 (2015). MSC: 05C12 05C25 05C40 PDF BibTeX XML Cite \textit{O. Alomari} et al., J. Comb. Math. Comb. Comput. 94, 261--271 (2015; Zbl 1335.05054) OpenURL
Lyons, Russell; Peres, Yuval Cycle density in infinite Ramanujan graphs. (English) Zbl 1346.60061 Ann. Probab. 43, No. 6, 3337-3358 (2015). Reviewer: Aleksander Iksanov (Kiev) MSC: 60G50 60F15 05C81 82C41 PDF BibTeX XML Cite \textit{R. Lyons} and \textit{Y. Peres}, Ann. Probab. 43, No. 6, 3337--3358 (2015; Zbl 1346.60061) Full Text: DOI arXiv Euclid OpenURL
Stevanović, Dragan; Gutman, Ivan; Rehman, Masood U. On spectral radius and energy of complete multipartite graphs. (English) Zbl 1329.05201 Ars Math. Contemp. 9, No. 1, 109-113 (2015). MSC: 05C50 PDF BibTeX XML Cite \textit{D. Stevanović} et al., Ars Math. Contemp. 9, No. 1, 109--113 (2015; Zbl 1329.05201) Full Text: DOI OpenURL