Iota energy of bicyclic signed digraphs
Sign Up to like & getrecommendations! Published in 2019 at "Asian-European Journal of Mathematics"
DOI: 10.1142/s1793557119500785
Abstract: Iota energy of signed digraphs is defined as sum of absolute values of imaginary parts of its eigenvalues. Extremal energy and iota energy of unicyclic signed digraphs is known. In this paper, we address the… read more here.
Keywords: iota energy; bicyclic signed; signed digraphs; energy ... See more keywords
On the energy of bicyclic signed digraphs
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Mathematical Inequalities"
DOI: 10.7153/jmi-2017-11-65
Abstract: Among unicyclic digraphs and signed digraphs with fixed number of vertices, the digraphs and signed digraphs with minimal and maximal energy are already determined. In this paper we address the problem of finding bicyclic signed… read more here.
Keywords: signed digraphs; energy bicyclic; bicyclic signed; energy ... See more keywords