17 articles in this issue
Junior Mukomene, Rsn Labs, Redox Solution Network, Ouaset Sarl, Congo, the Democratic Republic of the
The Riemann hypothesis remains unconfirmed or invalidated to this day, although local verifications on the calculation of its zeros have never found it faulty. Mertens reformulated the problem to make it much more accessible and surely more easily solvabl... see more
M Luthfi Abdurahman, Universitas Tanjungpura, IndonesiaHelmi Helmi, Universitas Tanjungpura, IndonesiaFransiskus Fran, Universitas Tanjungpura, Indonesia
Graph coloring is the process of assigning colors to the vertices or edges of a graph. Specifically, coloring the vertices in graph coloring can be implemented in graph coloring games. This article aims to determine the game chromatic number of the jellyf... see more
Damtew Bewket Kitaro, Wollega University, EthiopiaBoka Kumsa Bole, Wollega University, EthiopiaKoya Purnachandra Rao, Wollega University, Ethiopia
Tuberculosis has remained the principal cause of mortality worldwide, and one of the major sources of concern is drug-resistant TB. The increasing emergence of extensively drug-resistant and multidrug-resistant TB has further increased the TB epidemic. In... see more
Putri Nisa Pratiwi, Universitas Padjadjaran, IndonesiaEdi Kurniadi, Universitas Padjadjaran, IndonesiaFirdaniza Firdaniza, Universitas Padjadjaran, Indonesia
In this research, we studied quasi-Frobenius Lie algebras and filiform Lie algebras of dimensions = 5 over real field. The primary objective of this research is to classify the classification of filiform Lie algebras of dimensions = 5 into quasi-Frobenius... see more
Aulia Nabila Putri, Universitas Tanjungpura, IndonesiaNeva Satyahadewi, Universitas Tanjungpura, IndonesiaSiti Aprizkiyandari, Universitas Tanjungpura, Indonesia
Indonesia's export activities are dominated by non-oil and gas exports consisting of four sectors, namely the processing industry, agriculture, mining, and others. The government must pay attention to non-oil and gas exports for each province because expo... see more
Syarif Abdullah, Universitas Sultan Ageng Tirtayasa, IndonesiaI Wayan Mangku, IPB University, IndonesiaHimmatul Mursyidah, Universitas Muhammadiyah Banten, IndonesiaMifathul Huda, Universitas Bina Bangsa, IndonesiaFajri Ikhsan, Universitas Negeri Padang, IndonesiaSri Istiyarti Uswatun Chasanah, Universitas Islam Negeri Sunan Kalijaga, Indonesia
This article implements the thinning process algorithm, which has been generalized for estimators of compound periodic Poisson processes. The use of generalizations in the algorithm has been prepared with a linear trend in the periodic elements. This rese... see more
Amimah Shabrina Putri Prasmono, Universitas Islam Indonesia, IndonesiaMujiati Dwi Kartikasari, Universitas Islam Indonesia, Indonesia
Childfree is a condition in which a person or couple decides not to have children in marriage. Childfree became popular in Indonesia when YouTuber and influencer Gita Savitri uploaded an Instagram story about it. This brought many pros and cons among the ... see more
Dian Islamiaty Puteri, Universitas Padjadjaran, IndonesiaGumgum Darmawan, Universitas Padjadjaran, IndonesiaBudi Nurani Ruchjana, Universitas Padjadjaran, Indonesia
Sharia stocks are one of the investment instruments in the Islamic capital market. In the capital market, it is known that stock prices are very volatile. This makes investors need to carry out a strategy for making the right decision in investing, one of... see more
Ahmed Haroon Khaleel, University of Sumer, Iraq
In this paper, the mathematical formula of the reliability function of a special (3+1) cascade model is found, where this model can work with three active components if it is able to cope with the stresses to which it is subjected, while the cascade 3+1 m... see more
Oki Neswan, Institut Teknologi Bandung, IndonesiaHarry Sumartono, Institut Teknologi Bandung, Indonesia
In this work, we give a more thorough and exhaustive proof of the set of all isometries in taxicab geometry using a combinatorial approach. We show that isometries preserving taxicab distance while leaving the origin fixed are uniquely determined by how t... see more
Aurillya Queency, Universitas Padjadjaran, IndonesiaEdi Kurniadi, Universitas Padjadjaran, IndonesiaFirdaniza Firdaniza, Universitas Padjadjaran, Indonesia
In this research, we studied the affine Lie algebra aff(2,R). The aim of this research is to determine the 1-form in affine Lie algebra aff(2,R) which is associated with its symplectic structure so that affine Lie algebra aff(2,R) is a Frobenius Lie algeb... see more
Lasker Pangarapan Sinaga, Universitas Negeri Medan, IndonesiaDinda Kartika, Universitas Negeri Medan, IndonesiaNurul Ain Farhana, Universitas Negeri Medan, Indonesia
This study aims to analyze the SEIQR model for the SARS-CoV-2 dynamic by considering in-out mobility. The model construction is based on the COVID-19 response strategy implemented by the Indonesian government, then analyzing the model by determining the e... see more
Rifki Mardiansah, Universitas Udayana, IndonesiaNi Ketut Tari Tastrawati, Universitas Udayana, IndonesiaKartika Sari, Universitas Udayana, Indonesia
Transportation problems experienced by UD. Raja Wangi in distributing Maha Dewa fragrant incense. UD. Raja Wangi incurs high transportation costs due to irregular direct distribution patterns and has not paid attention to the route to be passed. One way t... see more
Kamilia Salsabilla, IPB University, IndonesiaToni Bakhtiar, IPB University, IndonesiaFarida Hanum, IPB University, Indonesia
Electric vehicles are emerging as a key trend in sustainable mobility, mitigating emissions, and reducing dependence on fossil fuels. The challenge in optimizing route modeling lies in some limitations, such as battery range, charging time, and the divers... see more
Saffanah Nur Elvina Mulyawati, Universitas Islam Indonesia, IndonesiaMujiati Dwi Kartikasari, Universitas Islam Indonesia, Indonesia
The agricultural sector remains a crucial pillar of Indonesia’s economy, making the most significant contribution. Still, the situation of farmers, primarily the elderly, indicates physical limitations and low income leading to high poverty levels, couple... see more
Aisyiah Kholifatul Hanifah, Universitas Negeri Surabaya, IndonesiaAbadi Abadi, Universitas Negeri Surabaya, Indonesia
Several species in the world have experienced extinction. To save species from extinction, a system needs to be formulated, one of which is protecting prey. Changes in physical and biological processes also have a role in the environment, namely resulting... see more
Sri Gemawati, Universitas Riau, IndonesiaMusraini Musraini, Universitas Riau, IndonesiaMirfaturiqa Mirfaturiqa, Sekolah Tinggi Teknologi Pekanbaru, Indonesia
This article discusses the relationship between the k-Tribonacci matrix Tn(k) and the Pascal matrix Pn, by first constructing the k-Tribonacci matrix and then looking for its inverse. From the inverse k-Tribonacci matrix, unique characteristics can be con... see more