Dr. Girish Dobhal

Assistant Professor - Selection Grade

B. Sc. (PCM) from D.B.S. (PG) College, Dehradun affiliated to H.N.B. Garhwal University, Srinagar, Uttarakhand in 1998.

M. Sc. (Mathematics) from D.B.S. (PG) College, Dehradun affiliated to H.N.B. Garhwal University, Srinagar, Uttarakhand in 2000

Ph. D. (Mathematics) from H.N.B. Garhwal University, Srinagar, Uttarakhand in 2011.
Topic-The study of Complex and Almost Complex Spaces

Area of Specialization:

Matrix methods Cryptography, Differential Geometry, Approximation Theory, Differential Geometry, Cryptography, Consciousness and Nature of Reality.

Career Graph:

• Assistant Professor (Selection Grade) in University of Petroleum & Energy Studies, Dehradun from July 01-2020 to till date.
• Assistant Professor (Senior Scale) in University of Petroleum & Energy Studies, Dehradun from June 18-2012 to June 30-2020.
• Assistant Professor in Graphic Era University, Dehradun from July 8-2008 to June 17- 2012.

No. Papers published in journals: 21

No. Papers presented in conferences: 02

Recent Publications:

• Nitin Uniyal, Girish Dobhal, A. Rawat, A. Sikander “A Novel Encryption Based on Vigenere Cipher for Secure Data Communication”, Wireless Professional Communications.(SCI indexed, IF-1.061)https://doi.org/10.1007/s11277-021-08295-5
• Nitin Uniyal, Girish Dobhal, A. D. Kothiyal “An Improvement in Key DomainMaximization Technique by Entropy Maximization”, Proceedings of Integrated Intelligence   Enable Networks and Computing. Algorithms for Intelligent Systems. Springer, Singapore.https://doi.org/10.1007/978-981-33-6307-6_70
• A. D. Kothiyal, Girish Dobhal, Nitin Uniyal “A Note on Hydro magnetic Two-Phase Flow through Two Parallel Plates in a Rotating System”, Proceedings of Integrated  Intelligence Enable Networks and Computing. Algorithms for Intelligent Systems. Springer, Singapore.https://doi.org/10.1007/978-981-33-6307-6_79
• Girish Dobhal,Nitin Uniyal, V. Prasad “Umbilical Hypersurface of a Generalized Recurrent Kaehlerian Weyl Spaces”, International Journal of Scientific and Technology Research, Vol. 9, N0. 3, (2020), pp. 427-430. (Scopus Indexed)
• Nitin Uniyal, Girish Dobhal, P. Semwal “Enhanced Security of Encrypted text by KDMT: Key-Domain Maximization Technique”, International Journal of Recent Technology & Engineering, Vol. 8, No. 4 (2019), pp. 1385-1388. (Scopus Indexed)
• Sanoj Kumar, Gaurav Bhatnagar, Girish Dobhal, Manoj K. Singh and Deepika Saini, “A secure and robust stereo image encryption algorithm based on DCT and Schur decomposition”,  Journal of Information Technology Management, Vol 14, pp.23-43, 2022.

Research & Publications:

• K. S. Rawat and Girish Dobhal,Study of Decomposition of recurrent curvature tensor field in a Kaehlerian recurrent space:Pure and Applied Mathematika Sciences, Vol.LXVIII,No.1-2,2008. 
• K. S. Rawat and Girish Dobhal On the bi-recurrent Bochner curvature tensor: J.T.S. Vol.1 2007.
• K. S. Rawat and Girish Dobhal Bi-recurrent and bi-symmetric concircular curvature tensor of Riemannian spaces: Jour. PAS, vol.15, 2009.
• K. S. Rawat and Girish Dobhal Some theorems on Decomposition in Tachibana recurrent space: Jour. PAS, vol.13(ser.A), 2007.
• K. S. Rawat and Girish Dobhal Some Investigation In Kaehlerian Manifold: Impact J. Sci. Tech, Vol2(3)2008 . 
• K. S. Rawat and Girish Dobhal Some theorems on decomposition in a Kaehlerian recurrent space: Acta Ciencia Indica, Vol. XXXIII M, No. 4 (2007).
• K. S. Rawat and Girish Dobhal Projective motion in a Tachibana symmetric space: Acta Ciencia Indica, Vol. XXXIV M, No. 3 (2008).
• K. S. Rawat and Girish Dobhal Einstein-kaehlerian bi-recurrent space: Acta Ciencia Indica, Vol. XXXIII M, No. 4 (2007).
• K. S. Rawat and Girish Dobhal The study of decomposition in a Kaehlerian recurrent space: Acta Ciencia Indica, Vol. XXXIII M, No. 4 (2007).
• K. S. Rawat and Girish Dobhal Some Properties in a Kaehlerian Space: Acta Ciencia Indica, Vol. XXXIII M, No. 2 (2007).
• K. S. Rawat and Girish Dobhal On the Existence of affine motion in a Tachibana space: Acta Ciencia Indica, Vol. XXXIV M, No. 3 (2008).
• Girish Dobhal And K.S Rawat,On Einstein Kaehlerian S-recurrent space: International Transactions in Mathematical Sciences & Computer.  Vol.2, No. 2, 2009.
• K. S. Rawat and Girish Dobhal, On Bi-recurrent and Bi-Symmetric Kaehlerian Manifold: Reflections des ERA-JMS, Vol.4 issue4 2009.
• K. S. Rawat and Girish Dobhal, On Kaehlerian Space With Recurrent And Symmetric Bochner Curvature Tensor, Acta Ciencia Indica,  Vol. XXV M, No. ,3 857-861 (2009).
• Girish Dobhal And K.S Rawat,Decomposition Of Recurrent Curvature Tensor Field In Tachibana Space: International Transactions in Applied Sciences.Vol.1, No.4, 603-608,2009.
• K. S. Rawat and Girish Dobhal The Study Of Tachibana Bi-Recurrent Spaces, Antarctica J. Math. 7(4),(2010)
• K. S. Rawat, Virendra Prasad and Girish Dobhal Some Bi-Recurrent Properties of Kaehlerian Space, International Transactions in Mathematical Sciences & Computer, Vol.3, No. 1, 2010.
• Asha Ram Gairola And Girish Dobhal, On Approximation By The Operator Of  Bleimann, Butzer  and  Hahn, Journal Of Graphic Era University. Vol. 2, No. 1, 2010. 
• Girish Dobhal and Asha Ram Gairola, Decomposition of curvature tensor field in Kaehlerian space, ISST journal of Mathematics & Computing System, vol. 1 No.2. 2010.
• Asha Ram Gairola, Girish Dobhal and Karunesh Kumar Singh : On Certain q- Baskakov-Durrmeyer operators, Le Matematiche. (2011) , Vol. LXVI (2011) – Fasc. II, pp. 61–76
• Asha Ram Gairola and  Girish Dobhal, On a general sequence of Durrmeyer operators Ann.  Univ. of Craiova, Mathematics and Computer Science Series, Volume 38(4), 2011, Pages 67-75
• Girish Dobhal and Asha Ram Gairola, Generalized Bi-Recurrent Weyl Spaces, Int. jour. Of Math. Archive, 2(12), 2011, Pages 2503-2507.
• Asha Ram Gairola and Girish Dobhal: Lp-approximation by Bezier variant of certain summation-integral type operators, Thai. J. Math, 2012, Volume 10 (2012) Number 3 : 463–472.
• A.R. Gairola, P.N.Agrawal, Girish Dobhal and K.K.Singh, Moments od q-Baskakov beta operators in case.

Personal interests: Pure Mathematics, Consciousness and Nature of reality.