1978–1983 – Tashkent State University, Faculty of Applied Mathematics and Mechanics, student.
1988–1991 – V.I. Romanovskiy Institute of Mathematics, Academy of Sciences of the Republic of Uzbekistan, PhD student.
ACADEMIC DEGREES AND TITLES:
1992 – Candidate of Physical and Mathematical Sciences (PhD), V.I. Romanovskiy Institute of Mathematics, Tashkent, specialty 01.01.02. Thesis: “Boundary Value Problems for Equations of Composite and Mixed-Composite Type.” Scientific Advisor: Academician T.J. Juraev.
2007 – Associate Professor, Department of Differential Equations.
2010 – Doctor of Physical and Mathematical Sciences (DSc), Institute of Mathematics and Information Technologies, Academy of Sciences of Uzbekistan, Tashkent, specialty 01.01.02. Thesis: “Boundary Value Problems for Third-Order Nonclassical Partial Differential Equations.” Scientific Consultant: Academician T.J. Juraev.
2018 – Professor in the specialty “Differential Equations and Mathematical Physics.”
RESEARCH ACTIVITY:
1983–1985 – M.T. Orozboev Institute of Mechanics and Seismic Stability of Structures, Academy of Sciences of Uzbekistan, Engineer, Research Trainee.
1986–1988 – Institute of Mathematics, Research Trainee.
1991–1992 – Junior Research Fellow.
1992–1993 – Research Fellow.
2004–2009 – Senior Research Fellow.
TEACHING ACTIVITY:
1993–2002 – Assistant to the Rector of Tashkent State University, Dean of Preparatory Faculty, Deputy Dean for Academic Affairs, Faculty of Mechanics and Mathematics, National University of Uzbekistan.
2002–2011 – Associate Professor, Department of Differential Equations, National University of Uzbekistan.
2011–2014 – Head of the Department of Differential Equations.
2014–2020 – Head of the Department of Differential Equations and Mathematical Physics.
RESEARCH INTERESTS:
Partial differential equations;
local and nonlocal problems for nonclassical equations of mathematical physics;
equations of composite and mixed-composite type.
PARTICIPATION IN RESEARCH PROJECTS:
F-4-65 “Theory of Degenerate Equations with Spectral Parameter and Singular Coefficients” (2012–2016);
F-4-30 “Interior and Boundary Value Problems for Differential-Operator Equations with Operator Coefficients” (2012–2016);
F4-FA-F010 “Boundary Value Problems for Partial Differential Equations with Singularities and Nonlinear Free-Boundary Problems” (2012–2016).
Professor
Doctor of Sciences, DSc 
ZIKIROV OBIDJAN SALIJANOVICH