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All Journal Al-Jabar : Jurnal Pendidikan Matematika Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun
Nikken Prima Puspita
Universitas Diponegoro
Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Health Professions Mathematics

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Prime ideal on the end_Z (Z^n ) Ring Zakaria Bani Ikhtiyar; Nikken Prima Puspita; Titi Udjiani
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 2 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v13i2.13193

Abstract

The set of all endomorphisms over -module  is a non-empty set denoted by . From  we can construct the ring of  over addition and composition function. The prime ideal is an ideal which satisfies the properties like the prime numbers. In this paper, we take the ring of integer number  and the module of  over  such that the  is a ring. Furthermore, we show the existences of prime ideal on the . We also applied a prime ideal property to prime ideal on   .
Prime ideal on the end_Z (Z^n ) Ring Zakaria Bani Ikhtiyar; Nikken Prima Puspita; Titi Udjiani
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 2 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v13i2.13193

Abstract

The set of all endomorphisms over -module  is a non-empty set denoted by . From  we can construct the ring of  over addition and composition function. The prime ideal is an ideal which satisfies the properties like the prime numbers. In this paper, we take the ring of integer number  and the module of  over  such that the  is a ring. Furthermore, we show the existences of prime ideal on the . We also applied a prime ideal property to prime ideal on   .
Pengelolaan Hutan Produktif untuk Pelestarian Hutan Lampung Menggunakan Operasi Perkalian Modul R^n atas Ring M_n(R) Nikken Prima Puspita; Fitriani Fitriani; Ahmad Faisol; Lucia Ratnasari
Jurnal Pengabdian Kepada Masyarakat (JPKM) TABIKPUN Vol. 4 No. 1 (2023)
Publisher : Faculty of Mathematics and Natural Sciences - Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpkmt.v4i1.106

Abstract

This activity is in the form of a seminar on productive forest harvesting models. The topic presented is modeling which is done by classifying trees in an area into classes based on their height. Then a two-vector equation model is formulated so that the harvested and unharvested tree configurations are balanced and sustainable and produce an optimal profit. So this model can be used to calculate optimal profit but still pay attention to forest sustainability. Profit is calculated based on three components: harvest vector, non-harvest vector, and Growth Rate matrix. Based on the results of the discussion, there are several obstacles to the model that has been constructed so that it can be used in the Lampung region and become an opportunity for research and collaboration between academics and local government. Furthermore, this forest management model can be modified for fruit-type productive forests such as Lampung coffee or siger avocados which the Lampung Provincial Forestry Service is currently cultivating.
Sosialisasi Model Economic Production Quantity untuk Mengoptimalkan Hasil Produksi Kopi di KPH Kota Agung Utara Nikken Prima Puspita; Siti Khabibah; Lucia Ratnasari; Fitriani Fitriani; Ahmad Faisol; Akmal Junaidi
Jurnal Pengabdian Kepada Masyarakat (JPKM) TABIKPUN Vol. 4 No. 3 (2023)
Publisher : Faculty of Mathematics and Natural Sciences - Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpkmt.v4i3.131

Abstract

Provinsi Lampung sudah dikenal sebagai penghasil kopi terbaik di Indonesia. Proses pengolahan mulai dari buah kopi mentah, hingga menghasilkan kopi bubuk membutuhkan biaya yang akan dikeluarkan oleh petani kopi pada setiap siklus tanam dan panen tanaman kopi. Kegiatan Pengabdian Kepada Masyarakat ini dilakukan oleh matematikawan Indonesian Mathematical Society wilayah DIY Jateng dan Sumatera Bagian Selatan. Pada kegiatan ini diadakan sosialisasi yang menawarkan solusi model matematika yaitu Model Economic Production Quantity (EPQ) untuk meminimumkan biaya total produksi biji kopi Lampung. Model ini digunakan untuk mengatur siklus produksi biji kopi dengan memperhitungkan komponen biaya pada persiapan produksi, proses produksi hingga produk sampai pada pembeli. Dengan kegiatan ini, para Petani Kopi Lampung dapat mengatur siklus tanam dan produksi biji kopi yang terbaik.
Co-Authors Ahmad Faisol Akmal Junaidi Fitriani Lucia Ratnasari Siti Khabibah Titi Udjiani Zakaria Bani Ikhtiyar