Vol. 39 (2019)

Articles

• On the Star Puzzle

  AAK Majumdar

  1-14

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• On Some Values of the Sandor-Smarandache Function

  AAK Majumdar

  15-25

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• Numerical Simulation on Heat Flow for Mixed Convection Within a Triangular Enclosure

  Muhammad Sajjad Hossain, MM Billah, MZI Bangalee, MA Alim

  27-43

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• Impact of Treatment on HIV-Malaria CoInfection Based on Mathematical Modeling

  Amit Kumar Saha, Ashrafi Meher Niger, Chandra Nath Podder

  45-62

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• On Orthogonal Generalized Derivations of Semiprime -Rings

  Kalyan Kumar Dey, Sanjay Kumar Saha, Akhil Chandra Paul

  63-70

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• Riemannian Geometry and Modern Developments

  AKM Nazimuddin, Md Showkat Ali

  71-85

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• Analytical Solution of Liénard Differential Equation using Homotopy Perturbation Method

  Md Mamun Ur Rashid Khan, Goutam Saha

  87-100

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• Inner Derivations on Semiprime Gamma Rings

  Sujoy Chakraborty, Md Mahbubur Rashid, Akhil Chandra Paul

  101-110

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• Existence of Weak Solutions for Caputo’s Fractional Derivatives in Banach Spaces

  Samima Akhter

  111-118

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• Symplectic and Contact Geometry with Complex Manifolds

  AKM Nazimuddin, Md Showkat Ali

  119-126

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• A Comparative Analysis of the Black-Scholes- Merton Model and the Heston Stochastic Volatility Model

  Tahmid Tamrin Suki, ABM Shahadat Hossain

  127-140

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