Associate Professor
Department of Mathematics, Comilla University
Cumilla-3506, Bangladesh
Mr. Mohammad Safi Ullah is an Associate Professor in the Department of Mathematics at Comilla University, Cumilla-3506, Bangladesh. He was born on November 29, 1985, in Chandanpur Village, Meghna Upazila, Cumilla District, Bangladesh. He obtained his B.Sc. (Hons) in Mathematics in 2008 with a CGPA of 3.58 (out of 4.00) and completed his M.Sc. (Thesis) in 2009 with a perfect CGPA of 4.00 from the Department of Mathematics, University of Rajshahi, Rajshahi-6205, Bangladesh. In recognition of his exceptional academic performance, he received a gold medal from Shah Makhdum Hall of the same university. He further earned an M.Phil. in mathematical physics from the University of Rajshahi in 2021.
Mr. Ullah began his academic career as a Lecturer in the Department of Mathematics at Comilla University on July 1, 2013. He was promoted to Assistant Professor in 2016 and has been serving as an Associate Professor since 2021. In addition to his academic responsibilities, he serves as an academic editor for two Scopus-indexed journals (Mathematical Problems in Engineering; Abstract and Applied Analysis), contributing significantly to international scholarly communication.
In 2025, he was recognized as one of the world’s top 2% of scientists, marking the first such achievement for Comilla University. He has also been honored with the Best Researcher Award from Comilla University for three consecutive years. He is currently pursuing his Ph.D. at the University of Rajshahi.
His research interests include optics, chaos analysis, machine learning techniques, neural networks, bifurcation analysis, stability and sensitivity analyses, soliton theory, mathematical physics, nonlinear dynamics, fractional- and integral-order PDEs, theoretical plasma physics, and applications in the telecommunications industry. To date, he has published 78 original research papers in reputed international journals. For updated information—including article titles, abstracts, and citation metrics—please visit his Google Scholar profile: https://scholar.google.com/citations?user=OgCROwsAAAAJ&hl=en.
| MPhil | University of Rajshahi | Mathematics | 2021 |
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Comilla University, Bangladesh |
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Comilla University, Bangladesh |
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Comilla University, Bangladesh |
| 1 |
F. N. Kaya Sağlam, S. Z. Majid and Mohammad Safi Ullah (on study leave) :
Exact solutions and nonlinear dynamical behavior in a Navier-Stokes-type model for elastic cylindrical vessels: an analytical and computational approach
, Engineering Reports , no.6 , doi:https://doi.org/10.1002/eng2.70872. , indexed: Scopus (Q2), WoS (2.0) , (impact factor:2.0) vol.8 , pp.e70872 , June , 2026 . |
| 2 |
Shailendra Singh, Tarmizi Usman, Noor Alam, Mohammad Safi Ullah (on study leave), Miguel Vivas-Cortez and Muhammad Abbas :
Soliton, stability, multistability, and diverse tools for identifying chaos in a nonlinear model with twomodified methods
, Nonlinear Engineering , DE GRUYTER , doi:https://doi.org/10.1515/nleng-2025-0180 , indexed: Scopus (Q2), WoS , (impact factor:1.5) vol.15(1) , pp.20250180 , January , 2026 . |
| 3 |
Shahidur Rahaman, Mohammad Safi Ullah (on study leave) and Mohammad Nazrul Islam :
Soliton solutions by improved analytical techniques with overlapping phenomena and robust chaos detection tools.
, Modeling Earth Systems and Environment , doi:https://doi.org/10.1007/s40808-026-02752-5 , indexed: Scopus (Q1), WoS , (impact factor:2.9) vol.12 , pp.110 , March , 2026 . |
| 4 |
Md. Ruhul Amin, Md. Abdullah Al Mahbub, Tarmizi Usman and Mohammad Safi Ullah (on study leave) :
Soliton dynamics, overlapping phenomena, multistability, and chaotic nature of a nonlinear model in relativistic wave mechanics
, Scientific Reports , Nature Research , indexed: Scopus (Q1), WoS (3.9) , (impact factor:3.9) vol.16 , May , 2026 . View More |
| 5 |
Sushika Akter, Md Mamunur Roshid, Mohammad Mobarak Hossain, Mohammad Safi Ullah (on study leave) and Md. Ruhul Amin :
Soliton dynamics and overlapping phenomena of a nonlinear fractional pseudo-parabolic model in fluids with stability analysis
, Modern Physics Letters B , World Scientific Publishing Company , doi:https://doi.org/10.1142/S0217984926500715 , indexed: Scopus (Q3), WoS (3.0) , (impact factor:3.0) vol.40 , pp.2650071 , February , 2026 . |
| 6 |
Mohammad Safi Ullah (on study leave), Tarmizi Usman, Mahinur Akter and Md Ruhul Amin :
Qualitative analysis, optical soliton solutions, overlapping phenomena, and image encryption of a nonlinear model arising in mathematical physics
, Modern Physics Letters B , World Scientific , doi:https://doi.org/10.1142/S0217984926501563 , indexed: Scopus (Q3), WoS (3.0) , (impact factor:3.0) vol.40 , May , 2026 . |
| 7 |
Mohammad Safi Ullah, Abhilipsa Panda and Shailendra Singh :
Hybrid wave solutions of a (2+ 1)-dimensional 4th-order evolution equation using bilinear neural network method
, Computational Methods for Differential Equations , University of Tabriz , doi:10.22034/cmde.2026.69195.3400 , indexed: Scopus (Q3), WoS , (impact factor:1.3) , February , 2026 . |
| 8 |
Harun-Or Roshid, Mohammad Mobarak Hossain, Mohammad Safi Ullah (on study leave) and Md. Abu Naim Sheikh :
Formation of advanced soliton dynamics through the M-fractional regularized long-wave equation
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-026-37284-6 , indexed: Scopus (Q1), WoS , (impact factor:3.9) vol.16 , pp.7973 , February , 2026 . |
| 9 |
Md. Mamunur Roshid, Ramy M. Hafez, Mohammad Safi Ullah (on study leave) and Yakup Yildirim :
Exploring the Variable Base Soliton Solutions and Stability Analysis for a Nonlinear Model With Dual-Power Nonlinearity
, Journal of Mathematics , Wiley , doi:https://doi.org/10.1155/jom/7970577 , indexed: Scopus (Q1), WoS (1.3) , (impact factor:1.3) vol.2022 , pp.7970577 , July , 2026 . |
| 10 |
Mohammad Safi Ullah, Misbha Munir, Ifrah Iqbal, S. M. Boulaaras and Hamood Ur Rehman :
Exact and numerical investigation of soliton dynamics in nonlinear oscillatory system, Journal of Low Frequency Noise, Science Progress, 109(3) (2026). (Publisher: Sage Journal, SCIE (IF: 2.6); SCOPUS (Q1)). https://doi.org/10.1177/00368504261478997.
, Science Progress , Sage Journal , no.3 , doi:https://doi.org/10.1177/00368504261478997 , indexed: Scopus (Q1), WoS (2.6) , (impact factor:2.6) vol.109 , August , 2026 . |
| 11 |
Md. Mamunur Roshid, Mahtab Uddin, Mohammad Safi Ullah (on study leave), Golam Mostafa and Ashek Ahmed :
Dynamical Behavior and Chaotic Nature of M-Fractional Paraxial Wave Equation With Three Analytical Methods
, Advances in Mathematical Physics , John Wiley and Sons Ltd , doi:https://doi.org/10.1155/admp/8827413 , indexed: Scopus (Q3), WoS , (impact factor:1.1) vol.2026 , pp.8827413 , April , 2026 . |
| 12 |
Md Enamul Karim, M. Mohiuddin, Md. Joni Alam, Ruma Akter, Mohammad Safi Ullah (on study leave), Khalifa Mohammad Helal and Md. Ruhul Amin :
Detecting dynamical behaviors of solitary waves in the M-fractional Konopelchenko–Dubrovsky system with stability and sensitivity analysis
, Physics Open , Elsevier , doi:https://doi.org/10.1016/j.physo.2026.100454 , indexed: Scopus (Q3), WoS (2.1) , (impact factor:2.1) vol.28 , pp.100454 , August , 2026 . |
| 13 |
Sheikh Zain Majid, Mohammad Safi Ullah (on study leave) and Fatma Nur Kaya Sağlam :
Comprehensive symbolic–neural and dynamical framework for the (3+1)-dimensional extended Kadomtsev– Petviashvili equation
, Journal of Low Frequency Noise, Vibration and Active Control , doi:https://doi.org/10.1177/14613484261479193 , indexed: Scopus (Q1), WoS (3.3) , (impact factor:3.3) , pp.1-27 , August , 2026 . |
| 14 |
Sheikh Zain Majid, Fatma Nur Kaya Sağlam and Mohammad Safi Ullah (on study leave) :
Comparison of neural and traditional techniques for soliton structures and dynamical behavior in a double-chain DNA model
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-026-41229- , indexed: Scopus (Q1), WoS , (impact factor:3.9) vol.16 , February , 2026 . |
| 15 |
Mohammad Safi Ullah (on study leave), Usman Afzal, Ahmad Alkhalaf and Nehad Ali Shah :
A Two-Parameter Subclass of q-Starlike Functions Associated With mathematical equation (1-sinz)/cosz
, Journal of Function Spaces , Wiley , doi:https://doi.org/10.1155/jofs/3889608 , indexed: Scopus (Q1), WoS (2.0) , (impact factor:2.0) vol.2026 , pp.3889608 , July , 2026 . |
| 16 |
Md. Shahidur Rahaman, Mohammad Nazrul Islam and Mohammad Safi Ullah (on study leave) :
Soliton dynamics and stability of equilibrium points of the Manakov equation
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-025-32821-1 , indexed: Scopus (Q1), WoS , (impact factor:3.9) vol.16 , pp.2940 , December , 2025 . |
| 17 |
Mohammad Safi Ullah (on study leave), Ishraq Alabdi, Mst. Ishrat Jahan, E. I. Hassan, Khaled Aldwoah and W. E. Ahmed :
Exploring Multistability, Chaos, and Soliton Families in the Long–Short Wave Interaction Model
, Journal of Nonlinear Mathematical Physics , Springer Nature , doi:https://doi.org/10.1007/s44198-025-00320-6 , indexed: SCIE (IF: 1.6); SCOPUS (Q3) , (impact factor:1.6) vol.32 , pp.73 , October , 2025 . |
| 18 |
Nan Li, Hafiza Tasneem Nazish, Xianzhe Duan, Guowen Peng, Mohammad Safi Ullah (on study leave), Nadia Cheemaa and Ahmet Bekir :
Exploring Soliton Solutions and Chaotic Patterns in the Klein-Gordon Equation for Nuclear Fission, Fusion and Plasma Oscillations.
, International Journal of Theoretical Physics , Springer New York , doi:https://doi.org/10.1007/s10773-025-06142-y , indexed: Scopus (Q3), WoS , (impact factor:1.7) vol.64 , pp.320 , November , 2025 . |
| 19 |
Md. Ruhul Amin, Md. Ghulam Murtaza Talukder and Mohammad Safi Ullah (on study leave) :
Analytical soliton solutions and dynamic behaviors of a fractional nonlinear model in relativistic wave mechanics
, AIP Advances , AIP Publishing , no.10 , doi:https://doi.org/10.1063/5.0299718 , indexed: SCIE (IF: 1.4); SCOPUS (Q3) , (impact factor:1.4) vol.15 , pp.105112 , October , 2025 . |
| 20 |
Mohammad Safi Ullah (on study leave), Mohammad Nazrul Islam and Md Shahidur Rahaman :
Novel dynamics of the nonlinear fractional soliton neuron model with sensitivity analysis
, AIP Advances , AIP Publishing , no.8 , doi:https://doi.org/10.1063/5.0282276 , indexed: Scopus, WoS , (impact factor:1.4) vol.15 , pp.085116 , August , 2025 . |
| 21 |
Tarmizi Usman and Mohammad Safi Ullah (on study leave) :
Analytical solutions and chaotic insights into the Hirota-Maccari system
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-025-27419-6 , indexed: Scopus (Q1), WoS , (impact factor:3.9) vol.15 , pp.43540 , December , 2025 . |
| 22 |
Mohammad Safi Ullah (on study leave), M. Uddin, M.M. Roshid and M. Abdalla :
Analysis modulation instability and parametric effect on soliton solutions for M-fractional Landau–Ginzburg–Higgs (LGH) equation through two analytic methods
, Fractal and Fractional , MDPI , no.3 , doi:https://doi.org/10.3390/fractalfract9030154. , indexed: SCIE (IF: 3.3); SCOPUS (Q2) vol.9 , pp.154 , February , 2025 . |
| 23 |
Ashek Ahmed, Md. Mamunur Roshid, Mahtab Uddin, Harun -Or- Roshid, Mohammad Safi Ullah (on study leave) and Hadi Rezazadeh :
Simulation of lump, interaction of lump and kink, anti-kink wave, and solitary wave propagation of M-fractional Clannish Random Walker’s Parabolic model with two analytic techniques
, Journal of Korean Physical Society , Korean Physical Society , no.12 , doi:https://doi.org/10.1007/s40042-025-01355-0 , indexed: SCIE (IF: 0.9); SCOPUS (Q3) , (impact factor:0.9) vol.86 , pp.1109–1128 , May , 2025 . |
| 24 |
Md. Ghulam Murtaza Talukder, Mohammad Safi Ullah (on study leave) and Md. Ruhul Amin :
Analytical soliton solutions and dynamic behaviors of a fractional nonlinear model in relativistic wave mechanics
, AIP Advances , AIP Publishing , doi:https://doi.org/10.1063/5.0299718 , indexed: SCIE (IF: 1.4); SCOPUS (Q3) , (impact factor:1.4) vol.15 , pp.105112 , October , 2025 . |
| 25 |
Md. Ruhul Amin, Md. Abdul Hakim and Mohammad Safi Ullah (on study leave) :
Analysis of soliton behavior and overlap phenomena in the integrable beta-fractional Akbota equation with stability evaluation of equilibrium points
, AIP Advances , AIP Publishing , doi:10.1063/5.0308937 , indexed: Scopus (Q3), WoS , (impact factor:1.4) vol.15 , pp.125205 , December , 2025 . |
| 26 |
Mohamed Abdalla, Ismail Hossain, Mohammad Safi Ullah (on study leave) and Md Mamunur Roshid :
Dynamical analysis, and the effect of fractional parameters on optical soliton solution for Yajima–Oikawa model in short-wave and long-wave
, Chaos, Solitons & Fractals , Elsevier , no.1 , doi:https://doi.org/10.1016/j.chaos.2025.116697 , indexed: SCIE (IF: 5.6); SCOPUS (Q1) , (impact factor:5.6) vol.199 , pp.116697 , October , 2025 . |
| 27 |
Mohamed Abdalla, Md. Mamunur Roshid, Mahtab Uddin and Mohammad Safi Ullah (on study leave) :
Dynamical Analysis of Fraction Soliton Solutions, and Analysis of Multistability, Bifurcation, and Chaotic Nature of M-Fractional Nonlinear Evolution Equation through two analytical methods: a comprehensive study
, High Energy Density Physics , Elsevier B.V. , doi:https://doi.org/10.1016/j.hedp.2025.101242 , indexed: Scopus (Q2), WoS , (impact factor:0.9) vol.57 , pp.101242 , November , 2025 . |
| 28 |
Rabeya Akter and Mohammad Safi Ullah (on study leave) :
Soliton dynamics and stability analysis of a double-chain DNA model with various chaos detection tools
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-025-30779-8 , indexed: Scopus (Q1), WoS , (impact factor:3.9) vol.16 , pp.1164 , December , 2025 . |
| 29 |
Md. Mehedi Hasan, Md. Aman Mahbub and Mohammad Safi Ullah (on study leave) :
Analytical technique and diverse chaos identifying tools for the time fractional symmetric regularized long wave equation
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-025-29803-8 , indexed: Scopus (Q1), WoS , (impact factor:3.9) vol.16 , pp.363 , December , 2025 . |
| 30 |
Mohammad Safi Ullah (on study leave) and M. Mostafa :
Soliton outcomes and dynamical properties of the fractional Phi-4 equation
, AIP Advances , AIP Publishing , no.1 , doi:https://doi.org/10.1063/5.0245261 , indexed: SCIE (IF: 1.4); SCOPUS (Q3) , (impact factor:1.4) vol.15 , pp.015105 , January , 2025 . |
| 31 |
M. Zulfikar Ali, Evi Safitri, Mohammad Safi Ullah (on study leave) and Tarmizi Usman :
Soliton outcomes and stability study of the Schrödinger equation with cubic nonlinearity
, J. Comput. Nonlinear Dynam. , ASME , no.10 , doi:https://doi.org/10.1115/1.4069111. , indexed: Scopus (2.1), WoS (Q2) , (impact factor:2.1) vol.20 , pp.101008 , October , 2025 . |
| 32 |
Harun-Or Roshid, M. Zulfikar Ali and Mohammad Safi Ullah (on study leave) :
Soliton solutions and dynamical properties of the (4+1)-dimensional Fokas equation with stability analysis
, Fractals , World Scientific , doi:https://doi.org/10.1142/S0218348X25500720 , indexed: SCIE (IF: 2.9); SCOPUS (Q1). , (impact factor:2.9) vol.33 , pp.1-13 , July , 2025 . |
| 33 |
H.O. Roshid, M.Z. Ali and Mohammad Safi Ullah (on study leave) :
Stability analysis, phi^6 model expansion method, and diverse chaos-detecting tools for the DSKP model
, Scientific Reports , Nature Publishing Group UK , no.1 , doi:https://doi.org/10.1038/s41598-025-98275-7 , indexed: SCIE (IF: 3.9); SCOPUS (Q1) , (impact factor:3.9) vol.15 , pp.13658 , April , 2025 . |
| 34 |
Md.Mamunur Roshid, Alrazi Abdeljabbar and Mohammad Safi Ullah (on study leave) :
Chaotic behaviors, stability, and solitary wave propagations of M-fractional LWE equation in magneto-electro-elastic circular rod
, Nonlinear Engineering , De Gruyter , no.1 , doi:https://doi.org/10.1515/nleng-2025-0115 , indexed: SCIE (IF: 1.5); SCOPUS (Q2)). , (impact factor:1.5) vol.14 , pp.20250115 , June , 2025 . |
| 35 |
Harun-Or Roshid, Mohammad Safi Ullah (on study leave), Md. Mamunur Roshid and M.M. Rahman :
Chaotic behavior, sensitivity analysis and Jacobian elliptic function solution of M-fractional paraxial wave with Kerr law nonlinearity
, PLoS ONE , Public Library of Science , no.2 , doi:https://doi.org/10.1371/journal.pone.0314681 , indexed: SCIE (IF: 2.6); SCOPUS (Q1) , (impact factor:2.6) vol.20 , pp.154 , February , 2025 . |
| 36 |
Noor Alam, Tarmizi Usman, Md. Humayun Kabir, Mst. Ayrin Akter and Mohammad Safi Ullah (on study leave) :
Bifurcation, Chaos, Multistability, Sensitivity, and Dynamic Properties to the Third Fractional WBBM Equation
, Mathematical Methods in the Applied Sciences , WILEY , no.4 , doi:https://doi.org/10.1002/mma.70251 , indexed: SCIE (IF: 1.8); SCOPUS (Q1) , (impact factor:1.8) vol.49 , pp.2283-2296 , November , 2025 . |
| 37 |
Md Shahidur Rahaman, Mohammad Safi Ullah (on study leave) and Mohammad Nazrul Islam :
Bifurcation, chaos, modulation instability, and soliton analysis of the schrödinger equation with cubic nonlinearity
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-025-96327-6 , indexed: SCIE (IF: 3.9); SCOPUS (Q1) , (impact factor:3.9) vol.15 , pp.11689 , April , 2025 . |
| 38 |
Md. Mehedi Hasan, Mohammad Safi Ullah (on study leave), Ismail Hossain and Tarmizi Usman :
Soliton, multistability, and chaotic dynamics of the higher-order nonlinear Schrödinger equation
, Chaos , AIP Publishing , no.4 , doi:https://doi.org/10.1063/5.0266469 , indexed: SCIE (IF: 3.2); SCOPUS (Q1) , (impact factor:3.2) vol.35 , pp.043141 , April , 2025 . |
| 39 |
A. H. Ganie, M. S. Rahaman, F. A. Aladsani and Mohammad Safi Ullah (on study leave) :
Bifurcation, chaos, and soliton analysis of the Manakov equation
, Nonlinear Dynamics , Springer Netherlands , doi:https://doi.org/10.1007/s11071-024-10829-y , indexed: SCIE (IF: 6.0); SCOPUS (Q1) , (impact factor:6.0) vol.113 , pp.9807–9821 , January , 2025 . |
| 40 |
Soliman Al Khatib, Karim K Ahmed, Hamdy M Ahmed, ASA Alsubaie, Khaled H Mahmoud, Jalil Manafian, Mohammad Safi Ullah (on study leave) and Noor Alam :
Bifurcation analysis, chaotic behaviors, and explicit solutions for a fractional two-mode Nizhnik-Novikov-Veselov equation in mathematical physics.
, AIMS Mathematics , AIMS , no.3 , doi:https://doi.org/10.3934/math.2025211 , indexed: SCIE (IF: 1.8); SCOPUS (Q2) , (impact factor:1.8) vol.10 , pp.4558-4578 , March , 2025 . |
| 41 |
M. F. Hossain, R. Akter, T. Akter and Mohammad Safi Ullah (on study leave) :
Mortality Prediction in COVID-19 Using Time Series and Machine Learning Techniques
, Computational and Mathematical Methods , Wiley , doi:https://doi.org/10.1155/2024/5891177 , indexed: SCIE (IF: 1.2); SCOPUS (Q3) , (impact factor:1.2) vol.2024 , pp.5891177 , August , 2024 . |
| 42 |
Mahinur Akter, Mohammad Safi Ullah (on study leave), Abdul-Majid Wazwaz and Aly R. Seadawy :
Unveiling Hirota–Maccari model dynamics via diverse elegant methods
, Optical and Quantum Electronics , Springer US , no.7 , doi:https://doi.org/10.1007/s11082-024-06714-y , indexed: SCIE (IF: 4.0); SCOPUS (Q2) , (impact factor:4.0) vol.56 , pp.1127 , June , 2024 . |
| 43 |
Zillur Rahman, Rabeya Akter, Harun-Or Roshid, Mohammad Safi Ullah (on study leave) and Mst. Ishrat Jahan :
Novel dynamics of the Fokas-Lenells model in Birefringent fibers applying different integration algorithms
, International Journal of Mathematics and Computer in Engineering , Sciendo , no.1 , doi:http://dx.doi.org/10.2478/ijmce-2025-0001 vol.3 , pp.1-12 , June , 2024 . |
| 44 |
Noor Alam, Mohammad Safi Ullah (on study leave), Taher A Nofal, Hamdy M Ahmed, Karim K Ahmed and Mahmoud A AL-Nahhas :
Novel dynamics of the fractional KFG equation through the unified and unified solver schemes with stability and multistability analysis
, Nonlinear Engineering , De Gruyter , no.1 , doi:https://doi.org/10.1515/nleng-2024-0034 , indexed: SCIE (IF: 1.5); SCOPUS (Q2) , (impact factor:1.5) vol.13 , pp.20240034 , October , 2024 . |
| 45 |
Fariha Alamgir, Md Farhad Hossain, Mohammad Safi Ullah (on study leave), Md Safayet Hossain and Mahmud Hasan :
Socio-economic status and pregnancy complications and their impact on antenatal care services provided at home and Upazila health complex
, Heliyon , Elsevier , no.6 , doi:https://doi.org/10.1016/j.heliyon.2024.e27716. , indexed: SCIE (IF: 3.6), SCOPUS (Q1) , (impact factor:3.6) vol.10 , pp.e27716 , March , 2024 . |
| 46 |
Umme Shamima, Wen-Xiu Ma, Abdul-Majid Wazwaz, Mashael M AlBaidani, Abdul Hamid Ganie and Mohammad Safi Ullah (on study leave) :
Soliton dynamics and chaotic analysis of the Biswas–Arshed model
, Optical and Quantum Electronics , Springer UK , doi:https://doi.org/10.1007/s11082-024-07291-w , indexed: SCIE (IF: 4.0); SCOPUS (Q2) , (impact factor:4.0) vol.56 , pp.1379 , August , 2024 . |
| 47 |
Mohammad Safi Ullah (on study leave), Harun-Or Roshid and M. Zulfikar Ali :
Bifurcation analysis and new waveforms to the first fractional WBBM equation
, Scientific Reports , Nature Publishing Group UK , doi:https://doi.org/10.1038/s41598-024-62754-0 , indexed: SCIE (IF: 3.9); SCOPUS (Q1) , (impact factor:3.9) vol.14 , pp.1907 , May , 2024 . |
| 48 |
M. Zulfikar Ali, Mohammad Safi Ullah (on study leave) and Harun-Or-Roshid :
Bifurcation analysis and new waveforms to the fractional KFG equation
, Partial Differential Equations in Applied Mathematics , Elsevier , doi:https://doi.org/10.1016/j.padiff.2024.100716 , indexed: SCIE (IF: 5.09); SCOPUS (Q1) , (impact factor:5.09) vol.10 , pp.00716 , June , 2024 . |
| 49 |
Harun-Or Roshid, M Zulfikar Ali and Mohammad Safi Ullah (on study leave) :
Bifurcation, chaos, and stability analysis to the second fractional WBBM model
, PLoS ONE , Public Library of Science , no.7 , doi:https://doi.org/10.1371/journal.pone.0307565 , indexed: SCIE (IF: 2.6); SCOPUS (Q1) , (impact factor:2.6) vol.19 , pp.e0307565 , July , 2024 . |
| 50 |
Noor Alam, Wen-Xiu Ma, Aly R Seadawy, Mahinur Akter and Mohammad Safi Ullah (on study leave) :
Exploration of soliton structures in the Hirota-Maccari system with stability analysis
, Modern Physics Letters B , World Scientific , no.11 , doi:https://doi.org/10.1142/S0217984924504815 , indexed: SCIE (IF: 3.0); SCOPUS (Q3) , (impact factor:3.0) vol.39 , pp.2450481 , July , 2024 . |
| 51 |
Mohammad Safi Ullah (on study leave), Md. Farhad Hossain, Md. Tanvirul Islam and Tanzina Akter :
A comparative study between time series and machine learning technique to predict dengue fever in Dhaka city
, Discrete Dynamics in Nature and Society , Wiley , doi:https://doi.org/10.1155/2024/2757381 , indexed: SCIE (IF:1.2); SCOPUS (Q3) , (impact factor:1.2) vol.2024 , pp.2757381 , May , 2024 . |
| 52 |
Mohammad Safi Ullah, Rabeya Akter, Humayra Dil Afroz, Harun-Or Roshid, Aly R Seadawy, Abdul-Majid Wazwaz and Abdul Hamid Ganie :
Application of three analytical approaches to the model of ion sound and Langmuir waves
, Pramana Journal of Physics , Springer India , no.2 , doi:https://doi.org/10.1007/s12043-023-02720-z , indexed: SCIE (IF: 2.1); SCOPUS (Q2) , (impact factor:2.1) vol.98 , pp.46 , March , 2024 . |
| 53 |
Md. Mostafa, Mohammad Safi Ullah (on study leave), Md. Ali Akbar and Noor Alam :
Dynamic waveforms of the new Hamiltonian amplitude model using three different analytic techniques
, Indian Journal of Physics , Springer India , no.6 , doi:https://doi.org/10.1007/s12648-024-03426-7 , indexed: SCIE (IF: 1.7); SCOPUS (Q2) , (impact factor:1.7) vol.99 , pp.2125–2132 , September , 2024 . |
| 54 |
Mohammad Safi Ullah (on study leave), Harun-Or Roshid, M. Zulfikar Ali and H. Rezazadeh :
Kink and breather waves with and without singular solutions to the Zoomeron model
, Results in Physics , Elsevier , doi:https://doi.org/10.1016/j.rinp.2023.106535 , indexed: SCIE (IF: 4.6); SCOPUS (Q2) , (impact factor:4.6) vol.49 , pp.106535 , June , 2023 . |
| 55 |
Md Sabur Uddin, Momtaz Begum, Harun-Or Roshid, Mohammad Safi Ullah (on study leave) and Alrazi Abdeljabbar :
Soliton solutions of a (2+1)-dimensional nonlinear time-fractional Bogoyavlenskii equation model
, Partial Differential Equations in Applied Mathematics , Elsevier , doi:https://doi.org/10.1016/j.padiff.2023.100591 , indexed: SCIE (IF: 5.09); SCOPUS (Q1) , (impact factor:5.09) vol.8 , pp.100591 , December , 2023 . |
| 56 |
Mahinur Akter, Mohammad Safi Ullah (on study leave), Md. Mostafa, M. Zulfikar Ali and Harun-Or Roshid :
Soliton solutions for the Zoomeron model applying three analytical techniques
, PLoS ONE , Public Library of Science , no.7 , doi:https://doi.org/10.1371/journal.pone.0283594 , indexed: SCIE (IF: 2.6); SCOPUS (Q1) , (impact factor:2.6) vol.18 , pp.e0283594 , July , 2023 . |
| 57 |
Dulal Chandra Nandi, Md. Farhad Hossain, Pronoy Roy and Mohammad Safi Ullah (on study leave) :
An investigation of the relation between life expectancy & socioeconomic variables using path analysis for sustainable development goals (SDG) in Bangladesh
, PLoS ONE , Public Library of Science , no.2 , doi:https://doi.org/10.1371/journal.pone.0275431 , indexed: SCIE (IF: 2.6); SCOPUS (Q1) , (impact factor:2.6) vol.18 , pp.e0275431 , February , 2023 . |
| 58 |
M. Zulfikar Ali, Abdullah Aldurayhim, Mohammad Safi Ullah (on study leave), Harun-Or Roshid, Zillur Rahman and Fahad Sameer Alshammari :
Dynamical structures of multi-solitons and interaction of solitons to the higher-order KdV-5 equation
, Symmetry , MDPI , no.3 , doi:https://doi.org/10.3390/sym15030626 , indexed: SCIE (IF: 2.2); SCOPUS (Q2) , (impact factor:2.2) vol.15 , pp.626 , March , 2023 . |
| 59 |
M. Zulfikar Ali, Harun-Or-Roshid, Aly R. Seadawy and Mohammad Safi Ullah (on study leave) :
Optical soliton solutions to the Fokas-Lenells model applying \phi^6-model expansion approach
, Optical and Quantum Electronics , Springer US , no.6 , doi:https://doi.org/10.1007/s11082-023-04771-3 , indexed: SCIE (IF: 4.0); SCOPUS (Q2) , (impact factor:4.0) vol.55 , pp.495 , April , 2023 . |
| 60 |
Mohammad Safi Ullah (on study leave), Dumitru Baleanu, M. Zulfikar Ali and Harun-Or-Roshid :
Novel dynamics of the Zoomeron model via different analytical methods
, Chaos, Solitons & Fractals , Elsevier , doi:https://doi.org/10.1016/j.chaos.2023.113856 , indexed: SCIE (IF: 5.6); SCOPUS (Q1) , (impact factor:5.6) vol.174 , pp.113856 , September , 2023 . |
| 61 |
Mohammad Safi Ullah (on study leave) :
Interaction solutions to the (3+1)-D negative-order KdV first structure
, Partial Differential Equations in Applied Mathematics , Elsevier , doi:https://doi.org/10.1016/j.padiff.2023.100566. , indexed: SCIE (IF: 5.09); SCOPUS (Q1) , (impact factor:5.09) vol.8 , pp.100566 , December , 2023 . |
| 62 |
Mohammad Safi Ullah (on study leave), M. Zulfikar Ali and Harun-Or Roshid :
New wave behaviors of the Fokas-Lenells model using three integration techniques
, PLoS ONE , Public Library of Science , no.9 , doi:https://doi.org/10.1371/journal.pone.0291071 , indexed: SCIE (IF: 2.6); SCOPUS (Q1) , (impact factor:2.6) vol.18 , pp.e0291071 , July , 2023 . |
| 63 |
Harun-Or Roshid, M. Zulfikar Ali and Mohammad Safi Ullah :
New wave behaviors and stability analysis for the (2+1)-dimensional Zoomeron model
, Optical and Quantum Electronics , Springer US , no.2 , doi:https://doi.org/10.1007/s11082-023-05804-7 , indexed: SCIE (IF: 4.0); SCOPUS (Q2) , (impact factor:4.0) vol.56 , pp.240 , December , 2023 . |
| 64 |
M. Zulfikar Ali, Harun-Or Roshid, Alrazi Abdeljabbar and Mohammad Safi Ullah (on study leave) :
Application of the unified method to solve the Biswas-Arshed model
, Results in Physics , Elsevier , doi:https://doi.org/10.1016/j.rinp.2022.105946 , indexed: SCIE (IF: 4.6); SCOPUS (Q2) , (impact factor:4.6) vol.42 , pp.105946 , November , 2022 . |
| 65 |
Mohammad Safi Ullah, Oli Ahmed and Md. Aman Mahbub :
Collision phenomena between lump and kink wave solutions to a (3+1)-dimensional Jimbo-Miwa-like model
, Partial Differential Equations in Applied Mathematics , Elsevier , doi:https://doi.org/10.1016/j.padiff.2022.100324 , indexed: SCIE (IF: 5.09); SCOPUS (Q1) , (impact factor:5.09) vol.5 , pp.100324 , June , 2022 . |
| 66 |
Mohammad Safi Ullah (on study leave), Harun-Or-Roshid, Fahad Sameer Alshammari and M. Zulfikar Ali :
Collision phenomena among the solitons, periodic and Jacobi elliptic functions to a (3+1)-dimensional Sharma-Tasso-Olver-like model
, Results in Physics , Elsevier , doi:https://doi.org/10.1016/j.rinp.2022.105412 , indexed: SCIE (IF: 4.6); SCOPUS (Q2) , (impact factor:4.6) vol.35 , pp.105412 , May , 2022 . |
| 67 |
Milivoj R. Beli, Abdullah Khamis Alzahrani, Luminita Moraru, Salam Khan, Mehmet Ekici, Anjan Biswas, Mohammad Safi Ullah (on study leave), Harun-Or-Roshid and M. Zulfikar Ali :
Optical soliton polarization with Lakshamanan-Porsezian-Daniel model by unified approach
, Results in Physics , Elsevier , doi:https://doi.org/10.1016/j.rinp.2021.103958 , indexed: SCIE (IF: 4.6); SCOPUS (Q2) , (impact factor:4.6) vol.22 , pp.103958 , March , 2021 . |
| 68 |
Z Rahman, X. Y. Wen, Mohammad Safi Ullah (on study leave), H. O. Roshid and M. Z. Ali :
Dynamical structures of interaction wave solutions for the two extended higher-order KdV equations
, Pramana Journal of Physics , Springer , doi:https://doi.org/10.1007/s12043-021-02155-4 , indexed: SCIE (IF: 2.1); SCOPUS (Q2) , (impact factor:2.1) vol.95 , pp.134 , August , 2021 . |
| 69 |
Mohammad Safi Ullah (on study leave), Harun-Or-Roshid, M. Zulfikar Ali and Zillur Rahman :
Analytical solutions of two space-time fractional nonlinear models using Jacobi elliptic function expansion method
, Contemporary Mathematics (Singapore) , Universal Wiser Publisher , no.3 , doi:https://doi.org/10.37256/cm.232021682 , indexed: SCIE (IF: 2.5); SCOPUS (Q3) , (impact factor:2.5) vol.2 , pp.173-188 , May , 2021 . |
| 70 |
Harun-Or-Roshid, M. Zulfikar Ali, N.F.M. Noor and Mohammad Safi Ullah (on study leave) :
Novel dynamics of wave solutions for Cahn-Allen and diffusive predator-prey models using MSE scheme
, Partial Differential Equations in Applied Mathematics , Elsevier , doi:https://doi.org/10.1016/j.padiff.2020.100017 , indexed: SCIE (IF: 5.09); SCOPUS (Q1) , (impact factor:5.09) vol.3 , pp.100017 , June , 2021 . |
| 71 |
Harun-Or Roshid, Md. Fazlul Hoque, M. Zulfikar Ali and Mohammad Safi Ullah (on study leave) :
Collision phenomena among lump, periodic and stripe soliton solutions to a (2+1)-dimensional Benjamin–Bona–Mahony–Burgers model,
, The European Physical Journal Plus , Springer , no.4 , doi:https://doi.org/10.1140/epjp/s13360-021-01343-w , indexed: SCIE (IF: 2.9); SCOPUS (Q2) , (impact factor:2.9) vol.136 , pp.370 , April , 2021 . |
| 72 |
Dumitru Baleanu, A.R. Seadawy, Harun-Or Roshid, M. Zulfikar Ali and Mohammad Safi Ullah (on study leave) :
Collision phenomena among lump, periodic and soliton solutions to a (2+1)-dimensional Bogoyavlenskii’s breaking soliton model
, Physics Letters A , Elsevier , doi:https://doi.org/10.1016/j.physleta.2021.127263 , indexed: SCIE (IF: 2.6); SCOPUS (Q2) , (impact factor:2.6) vol.397 , pp.127263 , May , 2021 . |
| 73 |
Zillur Rahman, M. Zulfikar Ali, Harun-Or Roshid and Mohammad Safi Ullah (on study leave) :
Dynamical structures of multi-soliton solutions to the Bogoyavlenskii’s breaking soliton equations
, The European Physical Journal Plus , Springer , no.3 , doi:https://doi.org/10.1140/epjp/s13360-020-00289-9 , indexed: SCIE (IF: 2.9); SCOPUS (Q2) , (impact factor:2.9) vol.135 , pp.282 , March , 2020 . |
| 74 |
Zillur Rahman, M. Zulfikar Ali, Wen-Xiu Ma, Harun-Or Roshid and Mohammad Safi Ullah (on study leave) :
Interaction phenomena among lump, periodic and kink wave solutions to a (3+1)-dimensional Sharma-Tasso-Olver-like equation
, Chinese Journal of Physics , Elsevier , doi:https://doi.org/10.1016/j.cjph.2020.10.009 , indexed: SCIE (IF: 4.6); SCOPUS (Q2) , (impact factor:4.6) vol.68 , pp.699-711 , December , 2020 . |
| 75 |
Zillur Rahman, Mohammad Safi Ullah (on study leave), Harun-Or-Roshid and M. Zulfikar Ali :
Novel exact solitary wave solutions for the time fractional generalized Hirota–Satsuma coupled KdV model through the generalized Kudryshov method
, Contemporary Mathematics (Singapore) , Universal Wiser Publisher , no.1 , doi:https://doi.org/10.37256/cm.11201936.25-33 , indexed: SCIE (IF: 2.5); SCOPUS (Q3) , (impact factor:2.5) vol.1 , pp.25-32 , September , 2019 . |
| 76 |
Mohammad Mobarak Hossain, M. Ali Akbar, Rafiqul Islam, Mohammad Safi Ullah (on study leave), Md. Nur Alam and Harun-Or-Roshid :
Exact traveling wave solutions for the (2+1)-dimensional ZK-BBM equation by exp(-\phi(\eta))-expansion method
, Glob J Sci Front Res Phys Space Sci , Publisher: Global Journals Inc. (USA) , no.2 , doi:https://www.researchgate.net/publication/264044333 vol.14 , pp.1-5 , January , 2014 . |
| 77 |
Mohammad Safi Ullah (on study leave), Nour Mohammed Chowdhury and Rabeya Akter :
A study on compactness in metric spaces and topological spaces
, Pure and Applied Mathematics Journal , Science Publishing Group , no.5 , doi:https://doi.org/10.11648/j.pamj.20140305.13 vol.3 , pp.105-112 , October , 2014 . |
| 78 |
Mohammad Safi Ullah, M. Ali Akbar, Md. Nur Alam and Harun-Or-Roshid :
A note on novel (G'/G)-expansion method in nonlinear physics
, J SOP Trans Theor Phys , Scientific Online Publishing Co. Ltd. , no.2 , doi:https://www.researchgate.net/publication/263506660 vol.1 , pp.82-100 , June , 2014 . |
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