Monsalve, Juan; Rada, Juan Energy of a digraph with respect to a VDB topological index. (English) Zbl 1495.05174 Spec. Matrices 10, 417-426 (2022). MSC: 05C50 05C09 PDFBibTeX XMLCite \textit{J. Monsalve} and \textit{J. Rada}, Spec. Matrices 10, 417--426 (2022; Zbl 1495.05174) Full Text: DOI
Monsalve, Juan; Rada, Juan On the maximal energy among orientations of a tree. (English) Zbl 1474.05163 Kuwait J. Sci. 47, No. 3, 2-13 (2020). MSC: 05C20 05C35 05C50 05C05 PDFBibTeX XMLCite \textit{J. Monsalve} and \textit{J. Rada}, Kuwait J. Sci. 47, No. 3, 2--13 (2020; Zbl 1474.05163) Full Text: Link
Bhat, Mushtaq A.; Pirzada, S.; Rada, J. On spectra and real energy of complex weighted digraphs. (English) Zbl 1456.05098 Linear Multilinear Algebra 68, No. 5, 1064-1076 (2020). Reviewer: V. Lokesha (Bangalore) MSC: 05C50 05C22 05C76 15A18 05C20 PDFBibTeX XMLCite \textit{M. A. Bhat} et al., Linear Multilinear Algebra 68, No. 5, 1064--1076 (2020; Zbl 1456.05098) Full Text: DOI
Agudelo, Natalia; Monsalve, Juan; Rada, Juan On the characterization of digraphs with given rank. (English) Zbl 1437.05084 Linear Algebra Appl. 587, 215-227 (2020). MSC: 05C20 05C50 PDFBibTeX XMLCite \textit{N. Agudelo} et al., Linear Algebra Appl. 587, 215--227 (2020; Zbl 1437.05084) Full Text: DOI
Bhat, Mushtaq A.; Rada, Juan Lower bounds for the energy of weighted digraphs. (English) Zbl 1411.05106 Linear Multilinear Algebra 67, No. 4, 743-755 (2019). MSC: 05C22 05C20 05C50 05C76 15A18 PDFBibTeX XMLCite \textit{M. A. Bhat} and \textit{J. Rada}, Linear Multilinear Algebra 67, No. 4, 743--755 (2019; Zbl 1411.05106) Full Text: DOI
Cruz, Roberto; Giraldo, Hernán; Rada, Juan An upper bound for the energy of radial digraphs. (English) Zbl 1283.05164 Linear Algebra Appl. 442, 75-81 (2014). MSC: 05C50 05C20 05C35 05C90 PDFBibTeX XMLCite \textit{R. Cruz} et al., Linear Algebra Appl. 442, 75--81 (2014; Zbl 1283.05164) Full Text: DOI
Pirzada, Shariefuddin; Bhat, Mushtaq A.; Gutman, Ivan; Rada, Juan On the energy of digraphs. (English) Zbl 1451.05094 Bull. Int. Math. Virtual Inst. 3, No. 1, 69-76 (2013). MSC: 05C20 05C50 05C40 PDFBibTeX XMLCite \textit{S. Pirzada} et al., Bull. Int. Math. Virtual Inst. 3, No. 1, 69--76 (2013; Zbl 1451.05094)
Rada, Juan; Gutman, Ivan; Cruz, Roberto The energy of directed hexagonal systems. (English) Zbl 1283.05167 Linear Algebra Appl. 439, No. 7, 1825-1833 (2013). MSC: 05C50 05C20 PDFBibTeX XMLCite \textit{J. Rada} et al., Linear Algebra Appl. 439, No. 7, 1825--1833 (2013; Zbl 1283.05167) Full Text: DOI
Rada, Juan Bounds for the energy of normal digrahs. (English) Zbl 1241.05084 Linear Multilinear Algebra 60, No. 3, 323-332 (2012). MSC: 05C50 15A18 05C35 05C90 05C20 PDFBibTeX XMLCite \textit{J. Rada}, Linear Multilinear Algebra 60, No. 3, 323--332 (2012; Zbl 1241.05084) Full Text: DOI
Gudiño, E.; Rada, J. A lower bound for the spectral radius of a digraph. (English) Zbl 1225.05163 Linear Algebra Appl. 433, No. 1, 233-240 (2010). MSC: 05C50 05C20 05C90 05C35 15A18 PDFBibTeX XMLCite \textit{E. Gudiño} and \textit{J. Rada}, Linear Algebra Appl. 433, No. 1, 233--240 (2010; Zbl 1225.05163) Full Text: DOI
Rada, Juan Lower bounds for the energy of digraphs. (English) Zbl 1227.05186 Linear Algebra Appl. 432, No. 9, 2174-2180 (2010). MSC: 05C50 05C20 05C35 05C90 15A18 PDFBibTeX XMLCite \textit{J. Rada}, Linear Algebra Appl. 432, No. 9, 2174--2180 (2010; Zbl 1227.05186) Full Text: DOI
Gudiño, E.; Rada, Juan A lower bound for the spectral radius of a digraph. (English) Zbl 1267.05163 Notas Mat. 5, No. 1, 39-48 (2009). MSC: 05C50 05C20 05C35 05C90 15A18 PDFBibTeX XMLCite \textit{E. Gudiño} and \textit{J. Rada}, Notas Mat. 5, No. 1, 39--48 (2009; Zbl 1267.05163)
Rada, Juan The McClelland inequality for the energy of digraphs. (English) Zbl 1151.05026 Linear Algebra Appl. 430, No. 2-3, 800-804 (2009). MSC: 05C35 05C50 05C90 PDFBibTeX XMLCite \textit{J. Rada}, Linear Algebra Appl. 430, No. 2--3, 800--804 (2009; Zbl 1151.05026) Full Text: DOI
Bravo, Diego; Rada, Juan Nonderogatory unicyclic digraphs. (English) Zbl 1139.05026 Int. J. Math. Math. Sci. 2007, Article ID 46851, 8 p. (2007). MSC: 05C20 PDFBibTeX XMLCite \textit{D. Bravo} and \textit{J. Rada}, Int. J. Math. Math. Sci. 2007, Article ID 46851, 8 p. (2007; Zbl 1139.05026) Full Text: DOI EuDML
Bravo, Diego; Rada, Juan Coalescence of difans and diwheels. (English) Zbl 1141.05048 Bull. Malays. Math. Sci. Soc. (2) 30, No. 1, 49-56 (2007). Reviewer: Vitali Oscarovich Groppen (Vladikavkaz) MSC: 05C50 05C20 05C75 PDFBibTeX XMLCite \textit{D. Bravo} and \textit{J. Rada}, Bull. Malays. Math. Sci. Soc. (2) 30, No. 1, 49--56 (2007; Zbl 1141.05048) Full Text: EuDML
Rada, Juan Non-degenerated windmills. (Molinos de viento no-derogatorios.) (Spanish) Zbl 1146.05305 Notas Mat. 2, No. 2, 69-74 (2006). MSC: 05C20 05C50 PDFBibTeX XMLCite \textit{J. Rada}, Notas Mat. 2, No. 2, 69--74 (2006; Zbl 1146.05305)