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Journal : JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI

Bilangan Kromatik Graf Hasil Operasi Korona Sisi Graf Siklus dan Graf Bintang Alivia Alivia; Kartika Yulianti; Yaya S. Kusumah
Jurnal Matematika, Statistika dan Komputasi Vol. 21 No. 2 (2025): JANUARY 2025
Publisher : Department of Mathematics, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/j.v21i2.37361

Abstract

One of the concepts in graph theory that can be analyzed is chromatic numbers of a graph and operation of two graphs. There are various kinds of operations of two graphs, one of which is the corona edge operation. This research aims to determine the chromatic number of the edge corona operation of graph Cn*K1,m  and K1,m*Cn, where Cn is a cycle graph and K1,m is a star graph. The chromatic number is determined based on the pattern formed from several n and m values. The results of this research show that the chromatic number of the edge corona operation of graph Cn*K1,m  is 4 for n= 3, 4, ... k   and m=1, 2, 3, ..., l. The chromatic number of the edge corona operation of graph K1,m*Cn is 5 if n is odd number. and is 4 if n is even number.
Co-Authors Aan Hasanah Abdul Latip Abdul Latip Agus Y. Gunawan Agus Yodi Gunawan Aini, Siti Aisy, Khansa Salsabila Rohadatul Al Jupri Alfitri, Putri Armania Agustina Alivia Alivia Alvira Firjan Humaira Asyifa Rahmawati Azzahra, Yasmine Bill Chairy Rizki Bustaren Cece Kustiawan Dadang Juandi Darhim Darhim Dian Usdiyana Edy Soewono Eha Harningsih Elisabet Ivanna Grace Handayani Encum Sumiaty, Encum Enmufida Enmufida Entit puspita Erman Suherman Eyus Sudihartinih Fakhrana Nadhilah Fanny Febryani Fatimatuz Zahro Octavia Fauzan Syahbudin Fery Ferdiansyah Fitri Rahmawati Fitri Rokhmatillah Fitri, Azela Hamdan Anshory Martanegara Husty Serviana Husain Idris Iskandar Ika Zulhidayati Isnie Yusnitha, Isnie Jarnawi Afgani Dahlan Khusnul Novianingsih Kurniati, Nurdiyah Kurniawan, Surya Kusnandi Kusnandi Kusnandi, Kusnandi Lafita Rahmi LUKMAN, LUKMAN M Akbar Gulvara M. Rizqi Ramadhan Mutiara Pertiwi N. Nurjanah Nanang Priatna Nasution, Muhammad Awaludin Nida Fitria Noor Annisah Sholehah Nur Aidah, Anisa Nur Elisya Nur Hidayatullah Romadhon Nur Rofi'ah Nurmala Setianing Putri Pangestu, Herny Wulandari Pangestu, Herny Wulandari Rini Marwati Ririn Sispiyati Rokhmatillah, Fitri Sadiyyah, Fitriani Halimatus Salman, Gelar Saragih, Martin Valerian Amadeus Siti Aisah, Lusi Siti Fatimah Siti Fatimah Suci Permata Hati Sufyani Prabawanto, Sufyani Sulaiman, Faris Hasby Surya Kurniawan Syahraini, Alfi Syarifuddin Syarifuddin Taqiya, Farah Ayyun Tia Purniati Tia Purniati Turmudi Ulfa, Nadia Ulfah Nur Azizah Utari Wijayanti Wijaya, Muhammad Lutfi Wijaya, Muhammad Lutfi Lutfi Wildy Ardan Yaya S. Kusumah Yaya S. Kusumah Yaya Sukjaya Kusumah Yusuf Adhitya