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All Journal IJEBD (International Journal Of Entrepreneurship And Business Development) Jurnal Matematika UNAND
Hary Wahyudi
Jurusan Biologi FMIPA, Universitas Sriwijaya, Sumatera Selatan, Indonesia
Computer Science & IT Economics, Econometrics & Finance Mathematics

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PENENTUAN BILANGAN RAINBOW CONNECTION DARI AMALGAMASI GRAF RODA Hary Wahyudi; Narwen .
Jurnal Matematika UNAND Vol 7, No 1 (2018)
Publisher : Jurusan Matematika FMIPA Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jmu.7.1.64-69.2018

Abstract

Abstrak. Suatu pewarnaan terhadap sisi-sisi di graf G terhubung tak trivial didenisikansebagai c : E(G) ! f1; 2; ; kg; k 2 N adalah pewarnaan sedemikian sehinggasetiap sisi bertetangga boleh berwarna sama. Terdapat u dan v di V (G) dan P adalahlintasan dari u ke v. Graf P dikatakan rainbow path jika tidak terdapat dua sisi di P yangberwarna sama. Graf G disebut rainbow connected jika untuk setiap u; v 2 V (G) terdapatrainbow path antara u dan v. Dalam hal ini, pewarnaan c dikatakan rainbow coloringdi G. Jika terdapat k warna di G maka c adalah rainbow k-coloring. Nilai minimum ksehingga terdapat rainbow k-coloring di G disebut dengan bilangan rainbow connection,ditulis rc(G). Penelitian ini menentukan bilangan rainbow connection dari amalgamasigraf roda, rc(Amal(Wn; t; vi0)), dimana graf Amal(Wn; t; v) adalah graf yang berasaldari hasil penyatuan titik sebanyak t, yang masing-masingnya diambil dari satu titikpusat Wn, dan vi0i0menyatakan titik yang menjadi hasil amalgamasi, seperti yang telahdibahas dalam [6].Kata Kunci: Amalgamasi, Graf Roda, Rainbow Path, Rainbow Connected, BilanganRainbow Connection
Pentahelix Policy Management Paradigm as A Model for Disaster Management in Bojonegoro Regency East Java Agung Subagyo; Rudy Handoko; Hary Wahyudi
IJEBD (International Journal of Entrepreneurship and Business Development) Vol 5 No 4 (2022): July 2022
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (476.169 KB) | DOI: 10.29138/ijebd.v5i4.1906

Abstract

Purpose: The purpose of this research is to describe the implementation of the pentahelix of disaster management and the paradigm shift to find obstacles and develop an ideal and practical disaster management model. Design/methodology/approach: This study uses a descriptive type of research with a qualitative approach. Data collection techniques using in-depth interviews. The data analysis technique uses data reduction, data presentation, and drawing conclusions. The data validity technique uses source triangulation and data triangulation. Findings: The results showed that the pentahelix management as a disaster management policy in Bojonegoro Regency was not optimal. Research limitations/implications: The theoretical implication is that the collaboration model that reflects pentahelic management has not been optimally formed, the role of each element of non-governmental organizations is not optimal. Practical implications: The practical implication is the application of disaster pentahelix management in Bojonegoro Regency. Originality/value: The originality of this research is an added value for researchers. Paper type: a Research paper
Co-Authors Agung Subagyo Narwen Narwen Rudy Handoko