Results 71 to 80 of about 835 (85)

A branch-and-cut algorithm for the target visitation problem

EURO Journal on Computational Optimization, 2019
In this paper, we consider the target visitation problem (TVP) which arises in the context of disaster treatment. Mathematically speaking, the problem is concerned with finding a route to visit a set of targets starting from and returning to some base ...
Achim Hildenbrandt
doaj   +1 more source

The hybrid number of a ploidy profile. [PDF]

J Math Biol, 2022
Huber KT, Maher LJ.
europepmc   +1 more source

A new bound for the spectral radius of Brualdi-Li matrices

Special Matrices, 2015
Let B2m denote the Brualdi-Li matrix of order 2m, and let ρ2m = ρ(B2m ) denote the spectral radius of the Brualdi-Li Matrix ...
Chen Xiaogen
doaj   +1 more source

Intake of Calanus finmarchicus oil for 12 weeks improves omega-3 index in healthy older subjects engaging in an exercise programme. [PDF]

Br J Nutr, 2021
Wasserfurth P, Nebl J, Boßlau TK, Krüger K, Hahn A, Schuchardt JP.   +5 more
europepmc   +1 more source

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