Vol. 15 No. 2 (2026)

Articles

• Analysis of the Brownian Motion on the Matrix Lie Group SO(2) for Determining a Short-Term Interest Rate Model: A Simulation Approach

  Muhammad Arief Budiman, Edi Kurniadi, Sukono

  132-149

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• ALGEBRAIC LAWS AND PROPERTIES OF PICTURE FUZZY SETS

  Dinni Rahma Oktaviani, Muhammad Habiburrohman, Yolanda Norasia, Ainun Esti Candra

  150-162

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• Locally Weighted KNN-Based Fuzzy Regression for Property Valuation under Market Uncertainty

  Hazmira Yozza, Riswan, Dr. Azah, Izzati, Ridho

  163-178

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• Optimal Bonus-Malus Premium with the Claim Frequency Distribution is Negative Binomial and the Claim Severity Distribution is Truncated Weibull

  Ikhsan Maulidi, IZZAH MAULIDIA, Radhiah Radhiah, Vina Apriliani

  179-195

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• SOME PROPERTIES OF CLEAR RINGS

  Yassin Dwi Cahyo, C. NOVITA PERMATASARI, NANDA SUBASTIAN, SALMAN FARIZI, NIKKEN PRIMA PUSPITA, SURYOTO SURYOTO

  196-212

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• THE SPACE OF CONTINUOUS FUNCTIONS WITH $2$-NORMS

  Shelvi Ekariani, MOCHAMMAD IDRIS, DODY ICHWANA PUTRA

  213-223

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• An Exploration of the Optimal Solution for the Tuberculosis Transmission Model considers the Post-recovery Treatment using Optimal Control Theory

  Sanubari Tansah Tresna, Choirul Basir, Usep Rahmat, Enggar Prasetyawan

  224-236

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• K-Means Cluster with Calinski Harabasz Index Evaluation to Map Forest Degradation and Deforestation Areas

  Ummi Rahimah, Shantika Martha, Nurfitri Imro'ah

  237-248

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• INDEKS WIENER PADA GRAF KOPRIMA PRIMA DARI GRUP BILANGAN BULAT MODULO

  Abdurahim Abdurahim, LIA FITTA PRATIWI, GUSTI YOGANANDA KARANG, I GEDE ADHITYA WISNU WARDHANA, MAMIKA UJIANITA ROMDHINI

  249-258

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• ANALYSIS OF FOREST FIRE CASES USING GSTAR(1;1) MODEL WITH SPATIAL ROOK CONTIGUITY WEIGHTS MATRIX IN WEST KALIMANTAN

  Muhammad Yahya Ayyash, Nur'ainul Miftahul Huda, Nurfitri Imro'ah, Hesty Pratiwi

  259-273

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