Articles

• Modelling The US Dollar Index Using Continuous Hidden Markov

  David Vijanarco Martal ⁽¹⁾, Berlian Setiawaty ⁽²⁾, Retno Budiarti ⁽³⁾

  (1) School of Data Science, Mathematics and Informatics, IPB University, Indonesia,

  (2) School of Data Science, Mathematics and Informatics, IPB University, Indonesia,

  (3) School of Data Science, Mathematics and Informatics, IPB University, Indonesia

  1986

  Abstract Views : 114

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  10.22342/jims.v32i3.1986

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• Homomorphisms of Modules over Two Skew Generalized Power Series Rings

  Ahmad Faisol ⁽¹⁾, Fitriani Fitriani ⁽²⁾, Muslim Ansori ⁽³⁾, Budi Surodjo ⁽⁴⁾

  (1) Department of Mathematics, Universitas Lampung, Indonesia,

  (2) Department of Mathematics, Universitas Lampung, Indonesia,

  (3) Department of Mathematics, Universitas Lampung, Indonesia,

  (4) Department of Mathematics, Universitas Gadjah Mada, Indonesia

  1921

  Abstract Views : 59

  Download :47

  10.22342/jims.v32i3.1921

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• An Existence and Uniqueness of Solutions for a Stochastic Differential Equations with \psi-Caputo Fractional Derivative

  R. Hariharan ⁽¹⁾, Ramalingam Udhayakumar ⁽²⁾

  (1) Department of Mathematics, Vellore Institute of Technology, India,

  (2) Department of Mathematics, Vellore Institute of Technology, India

  2325

  Abstract Views : 103

  Download :135

  10.22342/jims.v32i3.2325

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• A More Precise Elbow Method For Optimum K-means Clustering

  Indra Herdiana ⁽¹⁾, Mokhamad Alfin Kamal ⁽²⁾, Triyani Triyani ⁽³⁾, Mutia Nur Estri ⁽⁴⁾, Renny Renny ⁽⁵⁾

  (1) Mathematics Study Program, Jenderal Soedirman University, Indonesia,

  (2) Mathematics Study Program, Jenderal Soedirman University, Indonesia,

  (3) Mathematics Study Program, Jenderal Soedirman University, Indonesia,

  (4) Mathematics Study Program, Jenderal Soedirman University, Indonesia,

  (5) Mathematics Study Program, Jenderal Soedirman University, Indonesia

  1862

  Abstract Views : 156

  Download :95

  10.22342/jims.v32i3.1862

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• A New Slope Averaging Technique in Heun's Method: Combining Harmonic and Root Mean Square Means

  Syamsudhuha Syamsudhuha ⁽¹⁾, M. Imran ⁽²⁾, Ayunda Putri ⁽³⁾, Rike Marjulisa ⁽⁴⁾

  (1) Department of Mathematics, Universitas Riau, Indonesia,

  (2) Department of Mathematics, Universitas Riau, Indonesia,

  (3) Department of Mathematics, Universitas Riau, Indonesia,

  (4) Department of Mathematics, Universitas Riau, Indonesia

  1813

  Abstract Views : 56

  Download :40

  10.22342/jims.v32i3.1813

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• Linear Algebra and Its Applications

  Explicit Formulas for the Anti-Trace of 3-by-3 Matrix Powers via Generating Functions

  Jeriko Gormantara ⁽¹⁾, Devi Fitri Ferdania ⁽²⁾, Fajar Yuliawan ⁽³⁾, Hanni Garminia ⁽⁴⁾

  (1) Department of Mathematics, Universitas Hasanuddin, Indonesia,

  (2) School of Mathematics, University of Birmingham, United Kingdom,

  (3) Department of Mathematics, Institut Teknologi Bandung, Indonesia,

  (4) Department of Mathematics, Institut Teknologi Bandung, Indonesia

  2260

  Abstract Views : 102

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  10.22342/jims.v32i3.2260

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• The Non-Normal Cyclic Subgroup Graph Associated with Quasidihedral Groups of Order 16

  Nur Nabilah Abdul Razak ⁽¹⁾, Nur Idayu Alimon ⁽²⁾, Adem Kilicman ⁽³⁾, Nor Haniza Sarmin ⁽⁴⁾, Nabilah Fikriah Rahin ⁽⁵⁾, I Gede Adhitya Wisnu Wardhana ⁽⁶⁾

  (1) Mathematical Sciences Studies, Universiti Teknologi MARA Johor Branch, Malaysia,

  (2) Mathematical Sciences Studies, Universiti Teknologi MARA Johor Branch, Malaysia,

  (3) Mathematical Sciences Studies, Universiti Teknologi MARA, Malaysia,

  (4) Department of Mathematical Sciences, Universiti Teknologi, Malaysia,

  (5) Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Malaysia,

  (6) Department of Mathematics, University of Mataram, Indonesia

  2140

  Abstract Views : 79

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  10.22342/jims.v32i3.2140

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• Graceful Vit Labeling: A New Approach and Its Applications to Graphs

  Felicia Servina Djuang ⁽¹⁾, Yeni Susanti ⁽²⁾

  (1) Department of Mathematics, Universitas Gadjah Mada, Indonesia,

  (2) Department of Mathematics, Universitas Gadjah Mada, Indonesia

  2061

  Abstract Views : 96

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  10.22342/jims.v32i3.2061

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• Analysis of Primary Resonance in Damped Duffing-Helmholtz Oscillator Excited by an Amplitude-Modulated Signal

  Chaudhary Anunay Kumar ⁽¹⁾, Das Saureesh ⁽²⁾, Narang Pankaj ⁽³⁾, Das Mrinal Kanti ⁽⁴⁾

  (1) Sri Venkateswara College, University of Delhi South Campus, India,

  (2) Institute of Informatics and Communication, University of Delhi South Campus, India,

  (3) A. R. S. D. College, University of Delhi South Campus, India,

  (4) Institute of Informatics and Communication, University of Delhi South Campus, India

  1709

  Abstract Views : 53

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  10.22342/jims.v32i3.1709

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• Antimagic Labeling of Graph Unions of Trees and 4-Cycles

  Poh Hwa Ong ⁽¹⁾, Huey Voon Chen ⁽²⁾, Wei Shean Ng ⁽³⁾

  (1) Department of Mathematical and Actuarial Sciences, Universiti Tunku Abdul Rahman, Malaysia,

  (2) Department of Mathematical and Actuarial Sciences, Universiti Tunku Abdul Rahman, Malaysia,

  (3) Department of Mathematical and Actuarial Sciences, Universiti Tunku Abdul Rahman, Malaysia

  2238

  Abstract Views : 56

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  10.22342/jims.v32i3.2238

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• Atom of the Lattice of All N-Radicals

  Puguh Wahyu Prasetyo ⁽¹⁾, Indah Emilia Wijayanti ⁽²⁾, Halina France-Jackson ⁽³⁾, Joe Repka ⁽⁴⁾

  (1) Mathematics Education Study Program, Universitas Ahmad Dahlan, Indonesia,

  (2) Mathematics Department, Universitas Gadjah Mada, Indonesia,

  (3) Department of Mathematics and Applied Mathematics, Nelson Mandela University, South Africa,

  (4) Department of Mathematics, University of Toronto, Canada

  2016

  Abstract Views : 89

  Download :51

  10.22342/jims.v32i3.2016

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• Coprime Degree of a Finite Group

  Abdul Gazir Syarifudin ⁽¹⁾, Ahmad Muchlis ⁽²⁾, Pudji Astuti ⁽³⁾

  (1) Mathematics, Universitas Kebangsaan Republik Indonesia, Indonesia,

  (2) Mathematics, Institut Teknologi Bandung, Indonesia,

  (3) Mathematics, Institut Teknologi Bandung, Indonesia

  2073

  Abstract Views : 54

  Download :59

  10.22342/jims.v32i3.2073

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• On Graceful Labeling of Some Power Graphs

  Gurvinder Singh ⁽¹⁾, Neeraj Takshak ⁽²⁾, Amit Sehgal ⁽³⁾, Archana Malik ⁽⁴⁾

  (1) Department of Mathematics, Sat Jinda Kalyana College, India,

  (2) Department of Mathematics, Maharshi Dayanand University, India,

  (3) Department of Mathematics, Pt. Neki Ram Sharma Govt. College, India,

  (4) Department of Mathematics, Maharshi Dayanand University, India

  2000

  Abstract Views : 57

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  10.22342/jims.v32i3.2000

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• SG-Lightlike Submanifolds of a Locally Bronze Semi-Riemannian Manifold Equipped With (l,m)-Type Connection

  Rajinder Kaur ⁽¹⁾, Jasleen Kaur ⁽²⁾

  (1) Department of Mathematics, Punjabi University, India,

  (2) Department of Mathematics, Punjabi University, India

  1931

  Abstract Views : 60

  Download :44

  10.22342/jims.v32i3.1931

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