Gurami Tsitsiashvili | Statistics | Differential Equations Pioneer Award

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Prof. Dr. Gurami Tsitsiashvili | Statistics | Differential Equations Pioneer Award

Chief Researcher at Institute of Applied Mathematics Far Eastern Branch of the Russian Academy of Sciences, Russia

Dr. Gurami Shalvovich Tsitsiashvili is a distinguished mathematician specializing in applied mathematics, stochastic models, and stability analysis. With over 50 years of research experience at the Institute of Applied Mathematics, Far Eastern Branch of the Russian Academy of Sciences, he has made significant contributions to the mathematical modeling of complex systems. His research focuses on queueing theory, Markov chains, decomposition methods, and the construction of Lyapunov functions for stability analysis—key areas closely linked to differential equations. He has authored more than 180 publications, including influential monographs, and has served as a professor since 1992, mentoring generations of mathematicians. His interdisciplinary work extends to applications in heat transfer, epidemic modeling, and biorhythm analysis. While his contributions to applied differential equations are profound, a stronger focus on fundamental theoretical advancements in differential equations would further enhance his recognition. His expertise, leadership, and research impact make him a strong candidate for the Differential Equations Pioneer Award.

Professional Profile 

Scopus Profile
ORCID Profile

Education

Dr. Gurami Shalvovich Tsitsiashvili holds a strong academic foundation in mathematics and physics. He earned his Master of Science (M.Sc.) degree from the prestigious Moscow Physico-Technical Institute in 1972. He further pursued advanced studies at the Far Eastern Branch of the USSR Academy of Sciences, obtaining his Ph.D. in Mathematics and Physics in 1976. His doctoral research focused on stability analysis, laying the groundwork for his expertise in stochastic systems. In 1993, he achieved a Doctor of Science (Dr. Sci.) degree with a thesis on decomposition analysis of complex systems, a significant milestone in his academic career. His extensive education in applied mathematics, theoretical physics, and system analysis has equipped him with the necessary skills to tackle complex mathematical problems, particularly in differential equations, queueing theory, and stochastic modeling. His academic journey has positioned him as a leading researcher in the field, contributing extensively to mathematical sciences.

Professional Experience

Dr. Tsitsiashvili has dedicated his career to the Institute of Applied Mathematics, Far Eastern Branch of the Russian Academy of Sciences, where he has worked since 1972. Beginning as a junior researcher, he progressed through various roles, becoming a senior researcher in 1976 and later heading a research laboratory in 1981. His leadership skills and scientific expertise led to his appointment as Vice-Head of the institute on science from 2003 to 2013. Since then, he has continued as the head of a research laboratory and a principal scientific researcher. In addition to his work at the institute, he has been a professor at Far Eastern Technical University since 1992 and at Far Eastern Federal University since 1996, where he has mentored numerous students. His long-standing academic and research career has significantly contributed to applied mathematics, particularly in stability analysis, stochastic processes, and decomposition methods.

Research Interest

Dr. Tsitsiashvili’s research interests span applied mathematics, stochastic processes, and complex system modeling. His primary focus is on queueing theory, Markov chains, stability analysis, and decomposition methods, all of which have strong applications in differential equations. He has extensively studied the stability of multi-channel queueing systems, Lyapunov function construction, and cooperative effects in stochastic models. His interdisciplinary approach extends to applications in heat transfer, epidemic modeling, and biorhythm analysis. His work in mathematical physics, particularly in transforming epidemic models into random walk problems, showcases his ability to bridge theoretical mathematics with real-world applications. Additionally, his studies on decomposition effects in stochastic systems provide valuable insights into system optimization. While his expertise in applied differential equations is substantial, a deeper engagement in fundamental theoretical developments in the field could further solidify his impact. His contributions continue to shape mathematical modeling and its applications across various scientific domains.

Awards and Honors

Dr. Tsitsiashvili’s contributions to applied mathematics and stochastic modeling have earned him widespread recognition. While specific awards and honors are not explicitly listed in his curriculum vitae, his longstanding leadership roles and extensive publication record underscore his influence in the field. His appointment as the head of a research laboratory and Vice-Head of the Institute of Applied Mathematics reflects the recognition of his expertise and contributions by his peers. His role as a professor at Far Eastern Technical University and Far Eastern Federal University further highlights his standing in the academic community. With over 180 publications, including several monographs, he has made significant contributions to mathematical research, particularly in stability analysis and decomposition methods. His recognition is also evident through his extensive collaborations with researchers worldwide. While he has achieved remarkable academic and professional milestones, additional international accolades would further enhance his global impact in the field of differential equations and applied mathematics.

Conclusion

Dr. Tsitsiashvili is a highly accomplished mathematician whose research has significantly advanced applied mathematics, particularly in stochastic modeling, stability analysis, and decomposition methods. His extensive professional experience at the Institute of Applied Mathematics and his academic contributions as a professor demonstrate his dedication to the field. His work on queueing theory, Markov chains, and cooperative effects in stochastic models has influenced various scientific domains, including physics, biology, and engineering. While his research has strong connections to differential equations, a greater focus on fundamental theoretical advancements in this area could further strengthen his case for the Differential Equations Pioneer Award. His leadership, extensive publication record, and interdisciplinary research make him a strong candidate for recognition. His contributions have not only advanced mathematical theory but also provided practical applications in real-world problems, cementing his legacy as a distinguished researcher in applied mathematics.

Publications Top Noted

  • Title: Assessment of the Effect of Regional Climate Conditions on the Abundance of the Pink Salmon, Oncorhynchus gorbuscha (Walbaum, 1792) (Salmonidae), in the Sea of Japan in 1980–2023
    Authors: T.A. Shatilina, G.S. Tsitsiashvili, M.A. Osipova, T.V. Radchenkova
    Year: 2024
    Source: Russian Journal of Marine Biology

  • Title: Determination of Stability and Reliability of Shortest Paths in a Graph through Lists of Labels in Dijkstra’s Algorithm
    Authors: G.S. Tsitsiashvili
    Year: 2024
    Source: Reliability: Theory and Applications

  • Title: Networks Based on Graphs of Transient Intensities and Product Theorems in Their Modelling
    Authors: G.S. Tsitsiashvili
    Year: 2024
    Source: Computation

  • Title: Algorithms for Approximating a Function Based on Inaccurate Observations
    Authors: G.S. Tsitsiashvili, M.A. Osipova
    Year: 2024
    Source: Reliability: Theory and Applications

  • Title: Limit Cycles of Length Two in the Rikker Model and Their Application in Fishing
    Authors: G.S. Tsitsiashvili, T.A. Shatilina, M.A. Osipova, T.V. Radchenkova
    Year: 2024
    Citations: 1
    Source: Reliability: Theory and Applications

  • Title: Controlled Queuing Systems with a Stationary Uniform Distribution
    Authors: G.S. Tsitsiashvili, Y.N. Kharchenko
    Year: 2024
    Source: Vestnik Tomskogo Gosudarstvennogo Universiteta – Upravlenie, Vychislitel’naya Tekhnika i Informatika

  • Title: Graph Algorithms for Calculating the Distribution of the Amur Tiger Tracks in Primorsky Krai
    Authors: G.S. Tsitsiashvili, V. Bocharnikov, S.M. Krasnopeyev, M.A. Osipova
    Year: 2024
    Source: Theoretical and Applied Ecology

  • Title: Statistical Evaluation of Input Flow Intensity in the Presence of an Interfering Parameter
    Authors: G.S. Tsitsiashvili
    Year: 2024
    Source: Conference Paper (No source information available)

  • Title: Formation of Large Anomalies in the Thermal Conditions of Waters on the Western and Eastern Shelf of the Sakhalin Island
    Authors: T.A. Shatilina, V.V. Moroz, G.S. Tsitsiashvili, T.V. Radchenkova
    Year: 2024
    Source: Physical Oceanography

  • Title: Fast Method for Estimating the Parameters of Partial Differential Equations from Inaccurate Observations
    Authors: G.S. Tsitsiashvili, A.I. Gudimenko, M.A. Osipova
    Year: 2023
    Source: Mathematics (Open Access)

 

Samuel Sii | Statistics | Best Researcher Award

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Dr. Samuel Sii | Statistics | Best Researcher Award

Registrar at Austin Health, Australia

Dr. Samuel Sii is a dedicated urology researcher and clinician specializing in prostate cancer, surgical innovation, and post-radical prostatectomy outcomes. He earned his Bachelor of Medicine and Bachelor of Surgery (Honours) from Monash University (2017) and has since advanced his career as a Urology Registrar and Research Fellow at Austin Health, Melbourne. His research contributions include multiple publications in esteemed journals such as SIUJ, BJUI, and BJUI Compass, focusing on improving patient outcomes through innovative surgical techniques. As a member of the Urological Society of Australia and New Zealand (USANZ), he actively engages in the medical community. His work on “Mapping the Shifting Landscape of Urological Innovation” reflects his commitment to advancing the field. While his research is promising, expanding collaborations, securing grants, and increasing citation impact would further elevate his profile. Dr. Sii’s dedication and expertise position him as a rising researcher in urology.

Professional Profile 

ORCID Profile

Education

Dr. Samuel Sii completed his Bachelor of Medicine and Bachelor of Surgery (Honours) from Monash University in 2017, a prestigious medical degree that provided him with a strong foundation in clinical practice and medical research. His academic journey has been characterized by excellence, with a particular focus on urology, surgical techniques, and oncology. Throughout his education, he demonstrated a keen interest in prostate cancer research and surgical innovation, leading him to pursue further specialization in urology. His rigorous training at Monash University equipped him with critical analytical skills, problem-solving abilities, and a deep understanding of medical science, enabling him to transition seamlessly into clinical and research roles. His education has laid the groundwork for his contributions to evidence-based medicine, particularly in improving post-radical prostatectomy outcomes and advancing urological surgical methodologies.

Professional Experience

Dr. Samuel Sii has built an impressive career in urology and medical research, with a primary focus on prostate cancer, surgical innovation, and post-radical prostatectomy outcomes. He started as a Principal House Officer and Registrar in Urology at Sunshine Coast Hospital and Health Service, where he gained hands-on clinical experience in patient care and surgical procedures. Currently, he serves as a Research Fellow at Austin Health, Melbourne, a role that allows him to integrate clinical expertise with cutting-edge research. His experience spans patient management, surgical interventions, and academic research, making him a valuable contributor to the field of urology. His work on “Mapping the Shifting Landscape of Urological Innovation” highlights his dedication to medical advancements. Additionally, his membership in the Urological Society of Australia and New Zealand (USANZ) underscores his commitment to professional growth and collaboration within the global medical community.

Research Interest

Dr. Sii’s research is centered on prostate cancer, surgical innovation, and post-radical prostatectomy outcomes, reflecting his dedication to improving patient care and surgical techniques. His work aims to enhance urological surgical methodologies, optimize treatment strategies for prostate cancer, and improve long-term outcomes for patients undergoing radical prostatectomy. He has published in prestigious journals such as SIUJ, BJUI, and BJUI Compass, demonstrating the academic impact of his research. His interest in minimally invasive procedures and technological advancements in urology places him at the forefront of innovation in the field. While he has made significant contributions, expanding his research into robot-assisted surgery, artificial intelligence applications in diagnostics, and personalized medicine in urology could further broaden his impact. His research aligns with global efforts to enhance surgical precision, reduce recovery times, and improve cancer prognosis, making his contributions highly relevant to modern medical science.

Awards and Honors

Although specific awards and honors are not listed, Dr. Samuel Sii’s recognition within the academic and medical community is evident through his research publications and professional affiliations. His contributions to prostate cancer research and surgical innovation have been acknowledged in journals such as SIUJ, BJUI, and BJUI Compass, which are widely respected in the medical field. His selection as a Research Fellow at Austin Health further signifies his expertise and leadership potential in urological research. Additionally, his membership in the Urological Society of Australia and New Zealand (USANZ) highlights his active involvement in the professional medical community. To further enhance his profile, receiving research grants, young investigator awards, or innovation prizes in urology would strengthen his credentials. His continued dedication to medical advancements suggests that he is on a promising trajectory for future recognition at national and international levels.

Conclusion

Dr. Samuel Sii is a rising researcher in the field of urology, with a strong foundation in clinical practice, academic research, and surgical innovation. His work on prostate cancer, surgical advancements, and post-radical prostatectomy outcomes has contributed to the ongoing evolution of treatment strategies in urology. While his research achievements and professional experience make him a competitive candidate for the Best Researcher Award, expanding his collaborations, securing research grants, and increasing citation impact would further elevate his academic standing. His commitment to evidence-based medicine, continuous learning, and professional engagement positions him as an influential figure in the medical research community. With a focus on cutting-edge surgical methodologies and technological integration in urology, Dr. Sii is well-poised to make lasting contributions to the field.

Publications Top Noted

  • Title: Utility of PSA Free-to-Total Ratio for Clinically Significant Prostate Cancer in Men with a PSA Level of <4 ng/mL

    • Authors: Samuel Sii, Nathan Papa, Ting Wai Yiu, Dixon Teck Sing Woon
    • Year: 2024
    • Citation: Sii S, Papa N, Yiu TW, Woon DTS. Utility of PSA Free-to-Total Ratio for Clinically Significant Prostate Cancer in Men with a PSA Level of <4 ng/mL. BJU International. 2024.
    • Source: PubMed

  • Title: Contemporary Status of Diagnostic Endoluminal Ultrasound and Optical Coherence Tomography in the Ureter

    • Authors: Samuel Sii, Jeremy Bolton, Jake Tempo, Damien Bolton
    • Year: 2024
    • Citation: Sii S, Bolton J, Tempo J, Bolton D. Contemporary Status of Diagnostic Endoluminal Ultrasound and Optical Coherence Tomography in the Ureter. BJU International. 2024.
    • Source: ResearchGate

  • Title: Lessons from a Population-Based Bladder Cancer Registry: Exploring Why Survival Is Not Improving

    • Authors: Jake Tempo, Samuel Sii, Joseph Ischia, Michael O’Callaghan
    • Year: 2024
    • Citation: Tempo J, Sii S, Ischia J, O’Callaghan M. Lessons from a Population-Based Bladder Cancer Registry: Exploring Why Survival Is Not Improving. BJU International. 2024.
    • Source: ResearchGate

  • Title: Surgical Site Infection After Gastrointestinal Surgery in High-Income, Middle-Income, and Low-Income Countries: A Prospective, International, Multicentre Cohort Study

    • Authors: Aneel Bhangu, Adesoji O. Ademuyiwa, María Lorena Aguilera, Ruth Blanco, Samuel Sii, et al.
    • Year: 2018
    • Citation: Bhangu A, Ademuyiwa AO, Aguilera ML, Blanco R, Sii S, et al. Surgical Site Infection After Gastrointestinal Surgery in High-Income, Middle-Income, and Low-Income Countries: A Prospective, International, Multicentre Cohort Study. The Lancet Infectious Diseases. 2018;18(5):516-525.
    • Source: The Lancet Infectious Diseases

  • Title: Mapping the Shifting Landscape of Urological Innovation

    • Authors: Samuel Sii, David Homewood, Brendan Dittmer, Kalonji Nzembela, Mahesha Weerakoon, Jonathan S. O’Brien, Damien Bolton, Nathan Lawrentschuk, Niall M. Corcoran, and Dinesh K. Agarwal
    • Year: 2025
    • Citation: Sii S, Homewood D, Dittmer B, Nzembela K, Weerakoon M, O’Brien JS, Bolton D, Lawrentschuk N, Corcoran NM, Agarwal DK. Mapping the Shifting Landscape of Urological Innovation. Soc. Int. Urol. J. 2025; 6(1):22.
    • Source: The Lancet Infectious Diseases