Ellina Grigorieva, Ph.D.

Contact

EGrigorieva@twu.edu

Biography

Ellina Grigorieva has been teaching mathematics at Texas Woman’s University since 2000 and has been a full professor since 2009. She is internationally recognized mathematician (Ellina Grigorieva - Wikipedia), one of 471 female mathematicians of the 21st Century listed at Category:21st-century women mathematicians - Wikipedia. In 2021-2024, her book “Methods for Solving Number Theory Problems” was included in the list of the 100 best Number Theory books of all time: https://bookauthority.org/books/best-number-theory-books?t=r8215f&s=award&book=3030081303 Dr. Grigorieva has published 6 books and over 120 peer-reviewed papers.

Education

Ph.D., Physical and Mathematical Sciences, Lomonosov Moscow State University
M.S., Chemistry and Mathematics, Lomonosov Moscow State University, Moscow, Russia

Research Interests

Optimal control theory Game theory Modeling and control of epidemics Optimal control of HIV, allergy and other immune disorders Math education (methods of solving complex math problems)

Latest Articles

Bilinear Controlled Model in Adaptive Cancer Therapy
Discrete and Continuous Dynamical System. Series B (2025)
Ellina Grigorieva, Evgenii Khailov

Optimal melanoma treatment protocols for a bilinear control model
Mathematics (2023)
E N Khailov, Ellina Grigorieva

Investigation of Singular Regimens in a Controlled Model of Psoriasis Treatment
Communications in Optimization Theory (2022)
Ellina Grigorieva, E N Khailov

Lotka–Volterra Competition Model with a Nonmonotone Therapy Function for Finding Optimal Strategies in the Treatment of Blood Cancers
Proceedings of the Steklov Institute of Mathematics (2022)
N L Grigorenko, E N Khailov, Ellina Grigorieva, A D Klimenkova

Optimal combination treatment protocols for a controlled model of blood cancer
Trudy Instituta Matematiki i Mekhaniki (2022)
E N Khailov, Ellina Grigorieva

Connecting a Third-Order Singular Arc with Nonsingular Arcs of Optimal Control in a Minimization Problem for a Psoriasis Treatment Model
Proceedings of the Steklov Institute of Mathematics (2022)
E N Khailov, Ellina Grigorieva

Optimal Quarantine-Related Strategies for COVID-19 Control Models
Studies in Applied Mathematics (2021)
Ellina Grigorieva, E N Khailov, A Korobeinikov

Optimizing the quarantine cost for suppression of the COVID-19 epidemic in Mexico
Revista de Matematicas: Teoria y Aplicaciones (2021)
Abdon E Choque-Rivero, Ellina Grigorieva, E N Khailov

Optimal Strategies for CAR T -Cell Therapy of the Leukemia Treatment
Games and Economic Behavior (2021)
Ellina Grigorieva, Evgenii Khailov, Anna klimenkova

Optimal Strategies for Achieving Immune Balance in a Mathematical Model of Allergy Treatment
Pure and Applied Functional Analysis (2021)
Ellina Grigorieva, E N Khailov

Mathematical Modeling and Control of the Cell Dynamics in Leprosy
Computational Mathematics and Modeling (2021)
S Ghosh, A N Chatterjee, P R Roy, N E Grigorenko, Ellina Grigorieva

Optimal control theory: Introduction to the special issue
Games (2021)
Ellina Grigorieva

Optimal Strategies in the Treatment of Cancers in the Lotka-Volterra Model of Competition
Proceedings of the Steklov Institute of Mathematics (2021)
E N Khailov, Ellina Grigorieva

Optimal CAR T-cell immunotherapy strategies for a leukemia treatment model
Games (2020)
E N Khailov, Ellina Grigorieva

A Model of the Optimal Immunotherapy of Psoriasis by Introducing IL - 10 and IL - 22 Inhibitor
Journal of Biological Systems (2020)
Priti K Roy, Ellina Grigorieva, E N Khailov

Minimum-Time Optimal Control for a Model of Biological Wastewater Treatment
Computational Mathematics and Modeling (2020)
Ellina Grigorieva, E N Khailov

Optimal Controls of The Highly Active Antiretroviral Therapy
Abstract and Applied Analysis (2020)
Ellina Grigorieva, E N Khailov, A Korobeinikov

Optimal Control Problems for a Mathematical Model of the Treatment of Psoriasis
Computational Mathematics and Modeling (2019)
N L Grigorenko, Ellina Grigorieva, E N Khailov, Priti Kumar Roy

Singular and non-singular optimal strategies for psoriasis control model'
Pure and Applied Functional Analysis (2019)
Ellina Grigorieva, E N Khailov

Chattering and its Approximation in Control of Psoriasis Treatment
Discrete and Continuous Dynamical System. Series B (2019)
Ellina Grigorieva, E N Khailov

Optimal Strategies for Psoriasis Treatment
Mathematical and Computational Applications (2018)
Ellina Grigorieva, E N Khailov

Mathematical Insight on Psoriasis Regulation and Role of Th1 and Th2 Cells
Mathematical Biosciences and Engineering (2018)
Priti Kumar Roy, Ellina Grigorieva

Reachable set of a control model for two-step wastewater biotreatment
Computational Mathematics and Modeling (2017)
E N Khailov, Ellina Grigorieva

Optimal preventive strategies for SEIR type model of the 2014 Ebola epidemics
Dynamics of Continuous, Discrete and Impulsive Systems. Series B. Applications and Algorithms (2017)
Ellina Grigorieva, E N Khailov

Optimal control problem for a SEIR type model of Ebola epidemics
Revista de Matematicas: Teoria y Aplicaciones (2017)
Ellina Grigorieva, P B Deignan, E N Khailov

Estimating the number of switchings of the optimal interventions strategies for SEIR control models of Ebola epidemics
Pure and Applied Functional Analysis (2016)
Ellina Grigorieva, E N Khailov

The reachable set of a three-dimensional nonlinear system describing sewage treatment
Computational Mathematics and Modeling (2016)
N V Bondarenko, Ellina Grigorieva, E N Khailov

An environment-protection hierarchical differential game between enterprise and state
Computational Mathematics and Modeling (2016)
Ellina Grigorieva, E N Khailov

Optimal Control for a SIR Epidemic Model with nonlinear incidence rate
Mathematical Modelling of Natural Phenomena (2016)
Ellina Grigorieva, E N Khailov, A Korobeinikov

Optimal intervention strategies for a SEIR control model of Ebola epidemics
Mathematics (2015)
Ellina Grigorieva, E N Khailov

An optimal control problem for borrowing
Computational Mathematics and Modeling (2015)
Ellina Grigorieva, E N Khailov

Optimal production-sales strategies for a company at changing market price
Revista de Matematicas: Teoria y Aplicaciones (2015)
Ellina Grigorieva, E N Khailov

Time optimal control problem for waste water biotreatment model
Journal of Dynamical and Control Systems (2015)
Ellina Grigorieva, N V Bondarenko, E N Khailov

Books

Controlled Lotka-Volterra Systems in the Modelling of Biomedical Processes
Moscow State University (2021)
E. N Khailov, N L Grigorenko, Ellina Grigorieva, A D Klimenkova

Methods of Solving Number Theory Problems
Birkhäuser (2018)
Ellina Grigorieva

Methods of Solving Sequence and Series Problems
Birkhäuser (2016)
Ellina Grigorieva

Methods of Solving Nonstandard Problems
Birkhäuser (2015)
Ellina Grigorieva

Chapters

Finding optimal two-stage combined treatment protocols for a blood cancer model
in BIOKYBERNETIKA | De Gruyter, Academic Press (2024)
Ellina Grigorieva, Evgenii Khailov

Optimal strategies of the psoriasis treatment by suppressing the interaction between T-lymphocytes and dendritic cells
in Mathematical Analysis and Applications in Modeling | Springer (2020)
Ellina Grigorieva, E N Khailov

Current Projects

Biology and Medicine
• Optimal Control of Cancer, HIV or AIDS Treatment
• Modeling and Control of Epidemics (COVID 19, Ebola, etc.)
• Autoimmune Disorders (Psoriasis and Allergy)
Business and Economics
• Modeling and Optimal Control in Business and Economics
• Hierarchical Differential Games with two or more players
Math Education
• Methods of Solving Complex Math Problems
• Rediscovery of Mathematical Intelligence

Externally Funded Projects

AWM NSF Travel grant
GOV-National Science Foundation (NSF) | $3,500.00 | 2024
Role: Principal Investigator

Internally Funded Projects

Travel to Present at 13th AIMS Conference on Dynamical Systems and Differential Equations, Wilmington, NC
TWU's Office of Research and Sponsored Programs | $800.00 | 2023
Research Grant

Professional Affiliations

• Academia
• American Association of University Professors
• National Geographic Society
• Russian Society of Scientists (COPOL)
• The American Mathematical Society
• The Mathematical Association of America
• The Mathematical Experience in Business, Industry and Government
• The Society of Industrial and Applied Mathematics