Md Saddam Hussain | Mathematical Physics | Best Researcher Award

Dr. Md Saddam Hussain | Mathematical Physics | Best Researcher Award

Postdoctoral fellow at Zhejiang university of Technology, China

Dr. Md Saddam Hussain, Postdoctoral Fellow at the Institute of Theoretical Physics and Cosmology, Zhejiang University of Technology, China, is a distinguished researcher in cosmology, gravitational physics, and quantum field theory. He earned his Ph.D. in Physics from IIT Kanpur, following advanced studies at IIT Guwahati and Jamia Millia Islamia. His research focuses on dark energy, dark matter, and scalar field interactions, resulting in numerous publications in high-impact journals such as JCAP, Physical Review D, and Chinese Journal of Physics. Actively engaged in international collaborations across China, the USA, and Europe, he has presented at leading conferences and contributed to global research initiatives. With expertise in high-performance computing for cosmological modeling and a strong teaching record, Dr. Hussain continues to drive impactful advancements in theoretical physics.

Professional Profile

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Education

Dr. Md Saddam Hussain holds a Ph.D. in Physics from the Indian Institute of Technology Kanpur, where he specialized in cosmology and gravitational physics. He earned his M.Sc. in Physics from the Indian Institute of Technology Guwahati, focusing on general relativity and quantum field theory, and completed his B.Sc. (Hons.) in Physics from Jamia Millia Islamia, New Delhi, with minors in chemistry and mathematics. His early academic foundation was laid at Hamdard Public School, New Delhi, and High School Lagua, Katihar, Bihar, where he excelled in science and mathematics. Throughout his academic journey, Dr. Hussain demonstrated consistent excellence, developing a strong theoretical base complemented by computational skills. His educational background integrates rigorous coursework, research training, and active participation in advanced academic programs and summer schools.

Experience

Dr. Hussain is currently a Postdoctoral Fellow at the Institute of Theoretical Physics and Cosmology, Zhejiang University of Technology, China, working on advanced theoretical cosmology. His doctoral research at IIT Kanpur explored nonminimal coupling of fluids and scalar fields in cosmology under the guidance of Prof. Kaushik Bhattacharya. He has served extensively as a teaching assistant for various physics laboratory courses, mentoring undergraduate and postgraduate students in experiments ranging from modern physics to advanced quantum techniques. Dr. Hussain has presented research findings at prestigious international conferences across Asia and Europe, organized academic events such as the “Challenges of Modern Cosmology” meeting, and collaborated with researchers worldwide. His professional journey reflects a blend of research excellence, teaching dedication, and active involvement in fostering global scientific dialogue.

Research Interest

Dr. Hussain’s research interests lie at the intersection of cosmology, gravitational physics, and quantum field theory, with a particular focus on the dynamics of dark energy, dark matter, and scalar field interactions. He is deeply engaged in studying nonminimal couplings, dynamical system analyses, and observational constraints on cosmological models using the latest astronomical data. His work often integrates theoretical modeling with numerical simulations, employing advanced computational techniques to test and refine cosmological theories. He is also interested in exploring modified gravity theories, inflationary models, and the implications of quantum effects in the evolution of the universe. Through his research, Dr. Hussain aims to bridge the gap between high-level theoretical constructs and observational evidence, contributing to a more unified understanding of the cosmos.

Award and Honor

Dr. Hussain’s academic journey is marked by recognition through high-impact publications, international conference invitations, and successful collaborations with leading global research groups. While pursuing his Ph.D., he published multiple articles in reputed journals such as JCAP, Physical Review D, and Chinese Journal of Physics, many of which are indexed in Scopus and IEEE Xplore. His presentations at events like the Cosmology@CCSP conference, International Conference on Mathematical Modeling in Physical Sciences, and the “Cosmology in Miramare” program have earned commendations from peers and experts alike. He has also been entrusted with organizing scientific meetings, reflecting trust in his leadership within the research community. These achievements underline his growing reputation as an emerging expert in theoretical cosmology and a promising contributor to the advancement of modern physics.

Research Skill

Dr. Hussain possesses advanced research skills in theoretical modeling, numerical simulations, and high-performance computing. He is proficient in programming languages such as Python, C/C++, and Mathematica, and skilled in parallel computing techniques to optimize large-scale cosmological simulations. His expertise includes data analysis using observational datasets like Supernova, Hubble, and BAO measurements, as well as integration of MCMC algorithms for parameter estimation. He has implemented computational optimizations such as Cython integration to accelerate model performance. In addition, Dr. Hussain excels in scientific writing, peer-reviewed publishing, and delivering impactful presentations at global conferences. His ability to combine deep theoretical insights with computational rigor allows him to conduct cutting-edge research that aligns closely with contemporary challenges in cosmology and gravitational physics.

Publication Top Notes

  • Title: Dynamical stability of the k-essence field interacting nonminimally with a perfect fluid
    Authors: A. Chatterjee, S. Hussain, K. Bhattacharya
    Year: 2021
    Citations: 34

  • Title: Dynamical systems analysis of tachyon-dark-energy models from a new perspective
    Authors: S. Hussain, S. Chakraborty, N. Roy, K. Bhattacharya
    Year: 2023
    Citations: 27

  • Title: Dynamical stability in models where dark matter and dark energy are nonminimally coupled to curvature
    Authors: S. Hussain, A. Chatterjee, K. Bhattacharya
    Year: 2023
    Citations: 23

  • Title: Dynamical stability in presence of non-minimal derivative dependent coupling of k-essence field with a relativistic fluid
    Authors: K. Bhattacharya, A. Chatterjee, S. Hussain
    Year: 2023
    Citations: 22

  • Title: Ghost Condensates and Pure Kinetic k-Essence Condensates in the Presence of Field–Fluid Non-Minimal Coupling in the Dark Sector
    Authors: S. Hussain, A. Chatterjee, K. Bhattacharya
    Year: 2023
    Citations: 13

  • Title: Interacting models of dark energy and dark matter in Einstein scalar Gauss Bonnet gravity
    Authors: S. Hussain, S. Arora, Y. Rana, B. Rose, A. Wang
    Year: 2024
    Citations: 10

  • Title: Comprehensive study of k-essence model: dynamical system analysis and observational constraints from latest Type Ia supernova and BAO observations
    Authors: S. Hussain, S. Nelleri, K. Bhattacharya
    Year: 2025
    Citations: 9

  • Title: Stability analysis of warm quintessential dark energy model
    Authors: S. Das, S. Hussain, D. Nandi, R.O. Ramos, R. Silva
    Year: 2023
    Citations: 9

  • Title: Influence of feed levels on the growth of Lutjanus johni (Snapper) and Pomadasys kaakan (Drum)
    Authors: S.M. Hussain, G. Abbas
    Year: 1995
    Citations: 9

  • Title: Non-adiabatic particle production scenario in algebraically coupled quintessence field with dark matter fluid
    Authors: S. Hussain
    Year: 2024
    Citations: 4

  • Title: The nature of cosmological metric perturbations in presence of gravitational particle production
    Authors: K. Bhattacharya, A. Chatterjee, S. Hussain
    Year: 2022
    Citations: 4

  • Title: Biochemical composition of Lutjanus johni and Pomadasys kaakan reared in the tanks
    Authors: G. Abbas, S. Hussain
    Year: 1994
    Citations: 2

  • Title: Probing the Dynamics of Gaussian Dark Energy Equation of State Using DESI BAO
    Authors: S. Hussain, S. Arora, A. Wang, B. Rose
    Year: 2025
    Citations: 1

Conclusion

Dr. Md Saddam Hussain stands out as a dynamic and accomplished researcher whose work bridges theory, computation, and observation in cosmology. His solid academic foundation, extensive research experience, and strong international collaborations reflect his dedication to advancing the understanding of the universe’s fundamental properties. With a growing publication record in high-impact journals, expertise in modern computational techniques, and proven teaching and leadership capabilities, he is well-positioned to make transformative contributions to theoretical physics. Dr. Hussain’s future research aims to address some of the most pressing questions in cosmology while fostering interdisciplinary collaboration. His track record and vision make him not only deserving of recognition but also a valuable asset to the global scientific community.

Thomas Kotoulas | Mathematical Physics | Best Researcher Award

Dr. Thomas Kotoulas | Mathematical Physics | Best Researcher Award

Researcher at Aristotle University of Thessaloniki, Greece.

Dr. Thomas Kotoulas is a distinguished researcher specializing in Newtonian Dynamics and Celestial Mechanics, with a prolific academic record comprising 41 refereed journal articles, including 18 monographs. His research spans critical areas such as the restricted three-body problem, periodic orbit computation, symplectic mapping models, and inverse problems in Newtonian dynamics, with applications in astronomy and galactic dynamics. He has been actively involved in funded research projects and received prestigious fellowships, including one from the National Foundation of Fellowships (I.K.Y.). Recognized for his outstanding peer-review contributions, he has been awarded the Outstanding Reviewer Award by Research in Astronomy and Astrophysics and acknowledged by Astrophysics and Space Science. He has reviewed for 13 international journals and contributed to Mathematical Reviews. With his extensive work in celestial mechanics, his expertise plays a crucial role in understanding planetary and asteroid dynamics, making him a strong candidate for the Best Researcher Award.

Professional Profile 

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Education

Dr. Thomas Kotoulas holds a B.Sc. in Physics from the Aristotle University of Thessaloniki (A.U.Th.), where he graduated with a very good distinction (7.71/10) in 1995. He pursued his Ph.D. in Celestial Mechanics and Dynamical Systems at the same institution, completing his thesis, “Dynamical evolution of small bodies at resonant areas in the Outer Solar System”, in 2003 with highest honors (Excellent). During his doctoral studies, he was awarded a fellowship from the National Foundation of Fellowships (I.K.Y.), recognizing his academic excellence. His postdoctoral research included significant contributions to the study of the restricted three-body problem, funded by the Greek Ministry of Education and the European Community. His educational background, rooted in classical physics, dynamical systems, and celestial mechanics, laid the foundation for his impactful career in Newtonian dynamics, orbital mechanics, and inverse problems in physics, with direct applications in astronomy and galactic dynamics.

Professional Experience

Dr. Kotoulas has built an impressive career in celestial mechanics and dynamical systems, contributing extensively through research, peer review, and mentorship. He has worked as a postdoctoral researcher for over five years, with projects focusing on the dynamics of the restricted three-body problem and applications in asteroid and Kuiper Belt studies. His professional journey includes participation in the EPEAEK II PYTHAGORAS research project, where he played a key role in modeling planetary resonances. He has been a reviewer for over 13 prestigious scientific journals, including Celestial Mechanics and Dynamical Astronomy, Astronomy and Astrophysics, and Monthly Notices of the Royal Astronomical Society (MNRAS). Additionally, he has authored 41 research papers, 18 of which are monographs, showcasing his expertise in orbital stability, periodic orbits, and inverse problems. His experience solidifies his reputation as a leading figure in Newtonian dynamics and celestial mechanics.

Research Interests

Dr. Kotoulas’ research is deeply rooted in Newtonian dynamics, celestial mechanics, and inverse problems in physics, with a strong focus on planetary motion, asteroid dynamics, and resonance stability. His work on the restricted three-body problem involves studying periodic orbits, resonance phenomena, and dynamical stability, with applications in asteroid belt studies, planetary migration, and Kuiper Belt dynamics. He has also made significant contributions to the inverse problem of Newtonian dynamics, using differential equations to reconstruct gravitational force fields from observed orbital data. His research integrates mathematical modeling, computational methods, and astrophysical applications, contributing to a deeper understanding of planetary system evolution. Additionally, his expertise in symplectic mapping models, spectral analysis of orbits, and stability analysis has provided new insights into long-term orbital behaviors and galactic dynamics, positioning him as a key contributor to the field of astrodynamics and dynamical astronomy.

Awards and Honors

Dr. Kotoulas has received numerous awards and distinctions for his contributions to celestial mechanics and dynamical astronomy. He was recognized as one of the best external reviewers by Research in Astronomy and Astrophysics in 2022, earning the Outstanding Reviewer Award. Additionally, he received formal recognition from Astrophysics and Space Science for his invaluable peer-review contributions. His research excellence has been acknowledged through a prestigious fellowship from the National Foundation of Fellowships (I.K.Y.), awarded during his Ph.D. studies. His dedication to advancing celestial mechanics is further reflected in his role as a registered reviewer for Mathematical Reviews, where he has contributed expert evaluations of influential research papers. These honors underscore his exceptional impact in the field, his commitment to scientific integrity, and his standing as a respected researcher in Newtonian dynamics and astrophysics.

Conclusion

Dr. Thomas Kotoulas is a renowned researcher in celestial mechanics, Newtonian dynamics, and inverse problems in physics, with an extensive academic, research, and professional portfolio. His contributions to orbital stability, planetary resonance, and dynamical system modeling have provided valuable insights into planetary and asteroid motion. With 41 research publications, 18 monographs, multiple fellowships, and prestigious reviewer awards, he has established himself as a leading figure in astrophysical research. His dedication to advancing celestial mechanics, combined with his active role in peer review and academic mentorship, makes him a highly deserving candidate for the Best Researcher Award. His work continues to shape the understanding of orbital mechanics and planetary system evolution, reinforcing his position as a respected scientist in the field of dynamical astronomy and mathematical physics.

Publications Top Noted

  • Planar periodic orbits in exterior resonances with Neptune

    • Authors: G. Voyatzis, T. Kotoulas
    • Year: 2005
    • Citations: 44
    • Source: Planetary and Space Science, 53(11), 1189-1199
  • Comparative study of the 2:3 and 3:4 resonant motion with Neptune: an application of symplectic mappings and low-frequency analysis

    • Authors: T. Kotoulas, G. Voyatzis
    • Year: 2004
    • Citations: 43
    • Source: Celestial Mechanics and Dynamical Astronomy, 88, 343-363
  • On the stability of the Neptune Trojans

    • Authors: R. Dvorak, R. Schwarz, Á. Süli, T. Kotoulas
    • Year: 2007
    • Citations: 33
    • Source: Monthly Notices of the Royal Astronomical Society, 382(3), 1324-1330
  • Symmetric and nonsymmetric periodic orbits in the exterior mean motion resonances with Neptune

    • Authors: G. Voyatzis, T. Kotoulas, J.D. Hadjidemetriou
    • Year: 2005
    • Citations: 31
    • Source: Celestial Mechanics and Dynamical Astronomy, 91, 191-202
  • On the 2/1 resonant planetary dynamics – periodic orbits and dynamical stability

    • Authors: G. Voyatzis, T. Kotoulas, J.D. Hadjidemetriou
    • Year: 2009
    • Citations: 30
    • Source: Monthly Notices of the Royal Astronomical Society, 395(4), 2147-2156
  • Resonant periodic orbits of trans-Neptunian objects

    • Authors: T.A. Kotoulas, J.D. Hadjidemetriou
    • Year: 2002
    • Citations: 22
    • Source: Earth, Moon, and Planets, 91, 63-93
  • Three-dimensional periodic orbits in exterior mean motion resonances with Neptune

    • Authors: T.A. Kotoulas, G. Voyatzis
    • Year: 2005
    • Citations: 21
    • Source: Astronomy & Astrophysics, 441(2), 807-814
  • Homogeneous two-parametric families of orbits in three-dimensional homogeneous potentials

    • Authors: G. Bozis, T.A. Kotoulas
    • Year: 2005
    • Citations: 21
    • Source: Inverse Problems, 21(1), 343
  • Planar retrograde periodic orbits of the asteroids trapped in two-body mean motion resonances with Jupiter

    • Authors: T. Kotoulas, G. Voyatzis
    • Year: 2020
    • Citations: 20
    • Source: Planetary and Space Science, 182, 104846
  • On the bifurcation and continuation of periodic orbits in the three-body problem

    • Authors: K.I. Antoniadou, G. Voyatzis, T. Kotoulas
    • Year: 2011
    • Citations: 20
    • Source: International Journal of Bifurcation and Chaos, 21(08), 2211-2219
  • Three-dimensional potentials producing families of straight lines (FSL)

    • Authors: G. Bozis, T.A. Kotoulas
    • Year: 2004
    • Citations: 19
    • Source: Rendiconti del Seminario della Facoltà di Scienze dell’Università di …
  • The dynamics of the 1:2 resonant motion with Neptune in the 3D elliptic restricted three-body problem

    • Authors: T.A. Kotoulas
    • Year: 2005
    • Citations: 17
    • Source: Astronomy & Astrophysics, 429(3), 1107-1115
  • Retrograde periodic orbits in 1/2, 2/3 and 3/4 mean motion resonances with Neptune

    • Authors: T. Kotoulas, G. Voyatzis
    • Year: 2020
    • Citations: 15
    • Source: Celestial Mechanics and Dynamical Astronomy, 132 (6-7), 33
  • Two-parametric families of orbits in axisymmetric potentials

    • Authors: T.A. Kotoulas, G. Bozis
    • Year: 2006
    • Citations: 12
    • Source: Journal of Physics A: Mathematical and General, 39(29), 9223
  • Construction of 3D potentials from a preassigned two-parametric family of orbits

    • Authors: M.C. Anisiu, T.A. Kotoulas
    • Year: 2006
    • Citations: 11
    • Source: Inverse Problems, 22(6), 2255
  • The dynamical stability of a Kuiper Belt-like region

    • Authors: A. Celletti, T. Kotoulas, G. Voyatzis, J. Hadjidemetriou
    • Year:
    • Citations: 10
    • Source: Monthly Notices of the Royal Astronomical Society, 378(3), 1153-1164