Výsledky vyhledávání - "Salem M. Al-Yakoob"

On interval transmission irregular graphs

Autor: Salem M. Al-Yakoob, Dragan Stevanović

Publikováno v: Journal of Applied Mathematics and Computing. 68:45-68

Transmission of a vertex v of a connected graph G is the sum of distances from v to all other vertices in G. Graph G is transmission irregular (TI) if no two of its vertices have the same transmission, and G is interval transmission irregular (ITI) i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::48ea3e7a3abb1aeadc54d49fd8ceed09
https://doi.org/10.1007/s12190-021-01513-0

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On stepwise transmission irregular graphs

Autor: Salem M. Al-Yakoob, Dragan Stevanović

Publikováno v: Applied Mathematics and Computation. 413:126607

Dobrynin and Sharafdini [Appl Math Comput 371 (2020) 124949] defined a stepwise transmission irregular (STI) graph as a graph in which transmissions of any two adjacent vertices differ by one. They posed two conjectures in their study of STI graphs.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acdd090d4f2b4d4abb2473f0b3d61ae6
https://doi.org/10.1016/j.amc.2021.126607

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A maritime scheduling transportation-inventory problem with normally distributed demands and fully loaded/unloaded vessels

Autor: Salem M. Al-Yakoob, H.M. Soroush

Publikováno v: Applied Mathematical Modelling. 53:540-566

Uncertainties in oil demands have significant effects on the routing and scheduling of oil tankers and inevitably influence the pertinent fleet operational expenses, shortage and excess inventory penalties, and chartering costs. In this paper, we stu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce5588106a13a8ccf97744d54b5f3fff
https://doi.org/10.1016/j.apm.2017.08.015

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A Mathematical Modelling and Optimization Approach for a Maritime Facility Location Transshipment Problem

Autor: Hanif D. Sherali, Salem M. Al-Yakoob

Publikováno v: Informatica. 29:609-632

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e9c5a10fe5da9a1d321695c45f48fd5
https://doi.org/10.15388/informatica.2018.184

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A Column Generation Mathematical Model for a Teaching Assistant Workload Assignment Problem

Autor: Salem M. Al-Yakoob, Hanif D. Sherali

Publikováno v: Informatica. 28:583-608

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c274f409b9d95ceac1a05ba6ce508ed
https://doi.org/10.15388/informatica.2017.147

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On transmission irregular starlike trees

Autor: Dragan Stevanović, Salem M. Al-Yakoob

Publikováno v: Applied Mathematics and Computation. 380:125257

We characterize transmission irregular starlike trees with three branches, completing the work started by Alizadeh and Klavžar in [Appl. Math. Comput. 328 (2018), 113–118], where one particular case of such trees was characterized. We also answer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a9814d818434e882d425d9f03b39f5ea
https://doi.org/10.1016/j.amc.2020.125257

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A stochastic maritime transportation-inventory problem with gamma, exponential, and uniform demand distributions

Autor: Salem M. Al-Yakoob, Hossein M. Soroush, Fatemah Alqallaf

Publikováno v: European J. of Industrial Engineering. 14:813

We examine a maritime transportation-inventory problem under three daily demand distributions, namely gamma, exponential and uniform. This is essentially an extension of the problem of Soroush and Al-Yakoob (2018) in which case daily demands are assu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dc310b0524397fc842bf0ba978223ca
https://doi.org/10.1504/ejie.2020.112481

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Mathematical models and algorithms for a high school timetabling problem

Autor: Hanif D. Sherali, Salem M. Al-Yakoob

Publikováno v: Computers & Operations Research. 61:56-68

This paper investigates a high school timetabling problem in a case study related to Kuwait's public educational system, which is concerned with assigning teachers to classes and time-slots. Because a direct solution to an initially formulated compre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::326f92575a554251fdbd2dd9ae77a94f
https://doi.org/10.1016/j.cor.2015.02.011

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A column generation mathematical programming approach for a class-faculty assignment problem with preferences

Autor: Salem M. Al-Yakoob, Hanif D. Sherali

Publikováno v: Computational Management Science. 12:297-318

This paper presents a column generation approach for assigning faculty members to sections of offered classes (class-sections) in a case study related to Kuwait University. For a given class, the total number of class-sections to be offered is known;

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ce11e58ca0d54fb294f8e1cfa15cdb3
https://doi.org/10.1007/s10287-013-0163-9

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A column generation approach for determining optimal fleet mix, schedules, and transshipment facility locations for a vessel transportation problem

Autor: Hanif D. Sherali, Salem M. Al-Yakoob

Publikováno v: Applied Mathematical Modelling. 37:2374-2387

This paper presents a column generation approach for a storage replenishment transportation-scheduling problem. The problem is concerned with determining an optimal combination of multiple-vessel schedules to transport a product from multiple sources

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdfa531343146e30168d615db918c1c6
https://doi.org/10.1016/j.apm.2012.05.028

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