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All Journal Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat JMM (Jurnal Masyarakat Mandiri) JTAM (Jurnal Teori dan Aplikasi Matematika) Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam MAJAMATH: Jurnal Matematika dan Pendidikan Matematika Jurnal Matematika UNAND Community Development Journal: Jurnal Pengabdian Masyarakat Jambura Journal of Biomathematics (JJBM) Jurnal Fibonaci: Jurnal Pendidikan Matematika Yayasan Cita Cendikiawan Al Khwarizmi J-Intech (Journal of Information and Technology) sudo Jurnal Teknik Informatika Jurnal Pengabdian Masyarakat Gemilang (JPMG) Deli Sains Informatika Trigonometri: Jurnal Matematika dan Ilmu Pengetahuan Alam Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa
Nurul Maulida Surbakti
Universitas Negeri Medan
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Journal : Deli Sains Informatika

 1 
SCRAMBLING INDEX DARI GRAF JARING LABA-LABA: SCRAMBLING INDEX DARI GRAF JARING LABA-LABA Nurul Maulida Surbakti
Deli Sains Informatika Vol. 2 No. 1 (2022): Artikel Riset Desember 2022
Publisher : LPPM Universitas Deli Sumatera

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Abstract

Scrambling index of primitive graph G, denoted by K(G), is the smallest integer k such that for every pair of vertices u and v of G there exist vertex w such that there exist walks of length k that are connecting vertices u and w of G and vertices v and w of G. In this research, we discuss the scrambling index of primitive graph G consisting of s cycles where each cycle has even length and k arcs that connect each vertex in s cycless with one vertex in  the cycle. For each pair of primitive graph , we find a  formula for scrambling index that depends on s and k. Keywords: primitive graph;, spider web; scrambling index
IMPLEMENTATION OF GRAPH COLORING USING THE WELCH POWELL ALGORITHM IN SCHEDULING THESIS PROPOSAL SEMINARS IN THE MATHEMATICS STUDY PROGRAM AT UNIVERSITAS NEGERI MEDAN Nurul Maulida Surbakti
Deli Sains Informatika Vol. 2 No. 2 (2023): Artikel Riset Juni 2023
Publisher : LPPM Universitas Deli Sumatera

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Abstract

The process of arranging thesis proposal seminar schedules in the Department of Mathematics, Universitas Negeri Medan often encounters difficulties due to the large number of students who will hold seminars at the same time. So far, the scheduling process has been done manually, resulting in the schedule of thesis supervisors and examiners often conflicting with the schedules of other student seminars. To overcome this problem, the schedule is arranged by applying the concept of vertex coloring on a graph using the Welch Powell Algorithm. In the graph, vertices represent students who will hold seminars, while edges connecting two vertices indicate that the two students have one or two common thesis supervisors. This study uses a literature review method and the results show that graph coloring with the Welch Powell Algorithm can be used to arrange schedules for thesis proposal seminars in the Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan.
Co-Authors Adidtya Perdana, Adidtya Agustin, Fikri Alamsyah, Febi Andy Satria Angelyca Angelyca Anita Talia Azis, Zainal BR Sihaholo, Ruth Salisa Cecilia Br Perangin-Angin Dedy Kiswanto Dian Septiana DIdi Febrian Dina Olivia Nainggolan Fadilah, Putri Maulidina Febi Alamsyah Hamidah Nasution Handoko, Divi Hermawan Syahputra Kartika, Dinda Mulyono Mulyono Nadrah Afiati Nasution Nasution, Hamidah . Nasution, Nadrah Afiati Nia Devi Friskauly Nurul Ain Farhana Pahlawan, Riza Panggabean, Suvriadi Prihatin Ningsih Sagala Ramadhani, Fanny Rosman Siregar Sikap Ruth Br Tumorang Sri Dewi Surbakti, Giovani Br Suyanto Syahriol Sitorus Tarigan3, Erguna Eliandro Junior Tua Halomoan Harahap, Tua Halomoan Zahedi