Extremal digraphs for an upper bound on the Roman domination number Lyes OuldrabahMostafa BlidiaAhmed Bouchou OriginalPaper 20 March 2019 Pages: 667 - 679
On the k-domination number of digraphs Lyes OuldrabahMostafa BlidiaAhmed Bouchou OriginalPaper 21 March 2019 Pages: 680 - 688
Improved approximation algorithms for the combination problem of parallel machine scheduling and path Li GuanJianping LiJunran Lichen OriginalPaper 26 March 2019 Pages: 689 - 697
Unbounded parallel-batch scheduling under agreeable release and processing to minimize total weighted number of tardy jobs Yuan GaoJinjiang Yuan OriginalPaper 08 April 2019 Pages: 698 - 711
On perfect Roman domination number in trees: complexity and bounds Mahsa DarkootiAbdollah AlhevazHadi Rahbani OriginalPaper 17 April 2019 Pages: 712 - 720
A new lower bound on the domination number of a graph Majid HajianMichael A. HenningNader Jafari Rad OriginalPaper 04 May 2019 Pages: 721 - 738
Packing parameters in graphs: new bounds and a solution to an open problem Doost Ali MojdehBabak Samadi OriginalPaper 03 May 2019 Pages: 739 - 747
Hybrid algorithms for placement of virtual machines across geo-separated data centers Fernando StefanelloVaneet AggarwalMauricio G. C. Resende OriginalPaper 10 May 2019 Pages: 748 - 793
The clique-perfectness and clique-coloring of outer-planar graphs Zuosong LiangErfang ShanLiying Kang OriginalPaper 10 May 2019 Pages: 794 - 807
An evolutionary approach for the target search problem in uncertain environment M. BarkaouiJ. BergerA. Boukhtouta OriginalPaper 16 May 2019 Pages: 808 - 835
2-Rainbow domination stability of graphs Zepeng LiZehui ShaoShou-jun Xu OriginalPaper 10 May 2019 Pages: 836 - 845
Chamfer distances on the isometric grid: a structural description of minimal distances based on linear programming approach Gergely KovácsBenedek NagyBéla Vizvári OriginalPaper 01 June 2019 Pages: 867 - 886
Characterizations of matroids with an element lying in a restricted number of circuits Ping LiLan WangHong-Jian Lai OriginalPaper 06 June 2019 Pages: 887 - 910
Semipaired domination in maximal outerplanar graphs Michael A. HenningPawaton Kaemawichanurat OriginalPaper 08 June 2019 Pages: 911 - 926
Integer programming formulations for the shared multicast tree problem Marika IvanovaDag Haugland OriginalPaper 14 June 2019 Pages: 927 - 956
Parallel-machine scheduling with job-dependent cumulative deterioration effect and rejection Shi-Sheng LiRen-Xia ChenCheng-Wen Jiao OriginalPaper 07 June 2019 Pages: 957 - 971
Amortized efficiency of constructing multiple independent spanning trees on bubble-sort networks Shih-Shun KaoKung-Jui PaiJou-Ming Chang OriginalPaper 10 June 2019 Pages: 972 - 986
