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Abstract
In the open shop scheduling with bioperational jobs each job consists of two unit operations with a delay between the end of the first operation and the beginning of the second one. No-wait requirement enforces that the delay between operations is equal to 0. No-idle means that there is no idle time on any machine. We model this problem by the interval incidentor (1, 1)-coloring (IIR(1, 1)-coloring) of a graph with the minimum number of colors which was introduced and researched extensively by Pyatkin and Vizing. An incidentor is a pair (v, e), where v is a vertex and e is an edge incident to v. In the incidentor coloring of a graph the colors of incidentors at the same vertex must differ. The interval incidentor (1, 1)-coloring is a restriction of the incidentor coloring by two additional requirements:colors at any vertex form an interval of integers and the colors of incidentors of the same edge differ exactly by one. In the paper we proposed the polynomial time algorithm solving the problem of IIR(1, 1)-coloring for graphs with degree bounded by 4, i.e., we solved the problem of minimum makespan open shop scheduling of bioperational jobs with no-wait & no-idle requirements with the restriction that each machine handles at most 4 job.
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- Accepted or Published Version
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- Copyright (AGH-UST, Kraków, Poland, 2017)
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- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Title of issue:
- DMMS 2017 & ZTS XX Proceedings strony 65 - 72
- Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Pastuszak K., Małafiejski M., Ocetkiewicz K.: No-Wait & No-Idle Open Shop Minimum Makespan Scheduling with Bioperational Jobs// DMMS 2017 & ZTS XX Proceedings/ ed. Prof. Tadeusz Sawik, PhD, ScD AGH University of Science and Technology Faculty of Management Kraków: , 2017, s.65-72
- Verified by:
- Gdańsk University of Technology
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