Results 81 to 90 of about 128 (115)

Cycle Partitions in Dense Regular Digraphs and Oriented Graphs

Forum of Mathematics, Sigma
A conjecture of Jackson from 1981 states that every d-regular oriented graph on n vertices with $n\leq 4d+1$ is Hamiltonian. We prove this conjecture for sufficiently large n.
Allan Lo, Viresh Patel, Mehmet Akif Yıldız   +2 more
doaj   +1 more source

Root, flow and order polytopes with connections to toric geometry

Forum of Mathematics, Sigma
In this paper, we study the class of polytopes which can be obtained by taking the convex hull of some subset of the points $\{e_i-e_j \ \vert \ i \neq j\} \cup \{\pm e_i\}$ in $\mathbb {R}^n$ , where $e_1,\dots ,e_n$ is the standard ...
Konstanze Rietsch, Lauren Kiyomi Williams   +1 more
doaj   +1 more source

Some new sharp bounds for the spectral radius of a nonnegative matrix and its application. [PDF]

J Inequal Appl, 2017
He J, Liu YM, Tian JK, Liu XH.
europepmc   +1 more source

Comparative analysis of obesity-related cardiometabolic and renal biomarkers in human plasma and serum. [PDF]

Sci Rep, 2019
Rajan MR, Sotak M, Barrenäs F, Shen T, Borkowski K, Ashton NJ, Biörserud C, Lindahl TL, Ramström S, Schöll M, Lindahl P, Fiehn O, Newman JW, Perkins R, Wallenius V, Lange S, Börgeson E.   +16 more
europepmc   +1 more source

Exploring the Tiers of Rooted Phylogenetic Network Space Using Tail Moves. [PDF]

Bull Math Biol, 2018
Janssen R, Jones M, Erdős PL, van Iersel L, Scornavacca C.   +4 more
europepmc   +1 more source

Rate of recombinational deletion among human endogenous retroviruses. [PDF]

J Virol, 2007
Belshaw R, Watson J, Katzourakis A, Howe A, Woolven-Allen J, Burt A, Tristem M.   +6 more
europepmc   +1 more source

Arboreal networks and their underlying trees. [PDF]

J Math Biol
Huber KT, Overman D.
europepmc   +1 more source

Topological Structure of Epigenetic Forests in Flower Morphogenesis. [PDF]

Bull Math Biol
Cortés-Poza Y, Pérez-Buendía JR.
europepmc   +1 more source

Sackin indices for labeled and unlabeled classes of galled trees. [PDF]

J Math Biol
Fuchs M, Gittenberger B.
europepmc   +1 more source

Sequential Stub Matching for Asymptotically Uniform Generation of Directed Graphs with a Given Degree Sequence. [PDF]

Ann Comb
van Ieperen F, Kryven I.
europepmc   +1 more source