Doctorate, Supreme Attestation Commission under the President of the Republic of Azerbaijan, Doctor of Physical and Mathematical Sciences. – June 1995. Diploma #ED № 0212
Master's degree, Baku State University, Mathematics. - July 1972.
Vice-Rector, Baku Engineering University. Baku Azerbaijan. Sep 2016 – present
Professor, Baku Engineering University. Baku Azerbaijan. Aug 2016- present
Head of the Department, BSU. Baku Azerbaijan. June 2011- present
Dean, Qafqaz University. Baku Azerbaijan. Jan 2000 - June 2011
Professor, BSU. Baku Azerbaijan. Jan 1995 - present
BSU-associate professor, BSU. Baku Azerbaijan. Jan 1980 - Jan 1995
ANAS- scientific worker, ANAS. Baku Azerbaijan. Jan 1972 - Jan 1980
Orujov H, Afandiyev R. The spectral analysis of some not self-adjoint operator pencil with a discontinuous coefficient. Dopovidi NAN Ukrainy. Ukraine. 2014; 4 (2014): 25-31
Gahira Sh, Orujov H. Investigation of the resolvent of equationof second order with normal operator coefficients on the semi-axis. Nonlinear Analysis and Differential Equations. Bulgaria. 2014; 1-4 (2): 117-124
H.D.Orujov, G.L.Shiraliyeva, Orujov H. Cauchy problem for biharmonic equation in Banach space. Journal of Qafqaz University. Azerbaijan. 2009; 27: 5
H.D.Orujov, Orujov H. Approximation of the solution of differential equations with operator coefficients with Chebyshev – Laguerre polynomials. Institute of Mathematics and Mechanics of ANAS. Azerbaijan. 1996; iv: 5
H.D. Orujov, Orujov H. On the solution of boundary value problems for abstract polyharmonic equations. Reports of the Russian Academy of Sciences. Russia. 1994; 33: 4
H.D. Orujov, Orujov H. Approximation of the solution of equations with high-order operator coefficients with polynomials. Ukrainian Mathematical Journal. Azerbaijan. 1994; c.46 N5: 4
Orujov H, Afandiyev R. Определение оператора Хилла по двум спектрам. Journal of Qafqaz University. 2015;3(3):129-132
Orujov H. Linear algebra. Qafqaz Universi. . Baku Azerbaijan. 2014
Orujov H. Analytical geometry. Qafqaz University. Publication of Qafqaz University. Baku Azerbaijan. 201
2016 - Master's degree, Sain Alakbarli, "On the spectrum of the abstract Sturm-Liouville operator", Qafqaz University
2016 - Master's degree, Farid Asadli, "Cauchy problem for differential equations with some operator coefficients", Qafqaz University
2016 - Master's degree, Sabina Nasibli, "The problem of including the spectral parameter in the boundary condition for the second order differential equations", Qafqaz University
2011 - Master's degree, Leyla Gasimova, "Asymptotics of special numbers of the second order differential operator", Qafqaz University
2011 - Master's degree, Gurbanova Nargul, "Solution of differential equations with the application of integral transformations", Qafqaz University
2011 - Master's degree, Sabina Zarbaliyeva, "Spectral parametric boundary value problem for differential operators of the second order", Qafqaz University
Qafqaz University - 1 Jan 2014
Azerbaijan State University - 3 Jan 2011
Defense Council at the Faculty of Applied Mathematics of BSU - 3 Jan 2011
"Taraggi Medal", President of the Republic of Azerbaijan; 2009
Master, "Applied functional analysis"
Bachelor, "Linear Algebra"
Master, "Differential equations with operator coefficients"