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 Publications Books Rajendra Kumar Sharma, Sudesh Kumari Shah and Asha Gauri Shankar, Alegebra I: A Basic Course in Algebra, Pearson Education, 2011 . link Rajendra Kumar Sharma, Sudesh Kumari Shah and Asha Gauri Shankar, Comlex Numbers, Anthem Press, 2011 Please visit for my research publications: Google Scholar:https://scholar.google.com/citations?hl=en&user=oyu1U-sAAAAJ RESEARCHERID:http://www.researcherid.com/rid/C-1234-2018 RESEARCHGATE: http://www.researchgate.net/profile/Rajendra_Sharma_10 Category wise Details of Research Papers Published (Papers with IF/MCQ=92) (a) In Journals: Papers Authored/Coauthored Ambrish Awasthi and Rajendra K. Sharma. Primitive transformationshift registers over nite elds (to apper in Journal of algebra and it's applications).pdf. B. Dhara,C. Garg,R. K. Sharma. An Identity on Generalised Derivations Involving Multilinear Polynomials in Prime Rings (to appear in Proceedings-Mathematical Sciences).pdf. Anju Gupta, R.K.Sharma, Stephen D.Cohen. Primitive Element Pairs with One Prescribed Trace over a Finite Field . (to appear in Finite Fields and their Applications).pdf.. R.K.Sharma, Anju. Pair of Primitive Elements with Prescribed Traces over Finite Fields. (to appear in Communications in Algebra).pdf.. Rajendra K. Sharma, S.Maheshwari. A Note on Presentation of General Linear Groups over a Finite Field. (to appear in Southeast Asian Bulletin of Mathematics).pdf.. Rajendra K. Sharma, Ambrish Awasthi, and Anju Gupta. Existence of Pair of Primitive Elements over Finite Fields of Characteristic 2. (to appear in Journal of Number Theory).pdf.. R. K. Sharma, B. Dhara, C. Garg. A Result Concerning Generalised Derivations on Multilinear Polynomials in Prime Rings.(to appear in Rendiconti del Circolo Matematico di Palermo).pdf.. R. K. Sharma, B. Dhara, V. De Filippis and C. Garg. A Result Concerning Nilpotent Values With Generalised Skew Derivations on Lie Ideals.(to appear in Communications in Algebra).pdf.. R. K. Sharma and Amit B. Singh. Unified extensions of strongly reversible rings and links with other classic ring theoretic properties. Journal of Indian Math. Soc. (2018), Vol. 83, Nos. (3-4), 434-447. link. S. K. Tiwari and R. K. Sharma. On Lie ideals with generalised (\alpha,\alpha)-derivation in prime rings. Rend. Circ. Mat. Palermo, II. Ser (2018), DOI 10.1007/s12215-018- 0329-y. Meena Sahai, R. K. Sharma and Pravesh Kumari. Jordan regular generators of general linear groups (to appear in Journal of Indian Mathematical Society). link. Rohit Gupta, R. K. Sharma. Further results on permutation polynomials of the form (xpm-x+delta)s+x over Fp2m. Finite Fields and Their Applications. 50 (2018) 196-208.link. Dinesh Udar, R. K. Sharma and J. B. Srivastava. J-boolean group rings and skew group rings. Journal of Algebra and its Applica- tions. (2018) 1850210 (9 pages). pdf..link.. Chirag Garg, R. K. Sharma. A note on annihilator conditions in prime rings. Rend. Circ. Mat. Palermo, II. Ser, DOI 10.1007/s12215-017- 0305-y. M. Sahai, Reetu Siwach and R. K. Sharma. On the Lie nilpotency indices of Modular group algebras II. Asian European Journal of Mathematics, Vol. 11, No. 6 (2018), 1850087 (17 pages). Dinesh Udar, R. K. Sharma and J. B. Srivastava, Restricted Boolean group rings (to appear in Archivum Mathematicum). R. K. Sharma, Reetu Siwach and M. Sahai, Group algebras of Lie nilpotency index 12 and 13, Comm. Algebra, Vol. 46, Issue 4 (2018), 1428-1446. link. Chirag Garg, Vishal Kr. Yadav, R. K. Sharma, A note on generalized (alpha, beta)-derivation (to appear in Southeast Asian Bull. Math. J.). pdf. Anju, R. K. Sharma, Existence of Some Special Primitive Normal Elements over Finite Fields , Finite Fields and Their Applications, Vol. 46, 2017, 280-303.link. S. K. Tiwari, B. Prajapati, and R. K. Sharma, Banach Algebra with Generalised Derivations, Asian European Journal of Mathematics, Vol. 10, No. 3, 2017, 1750069 (11 pages). pdf..link. Pramod Kanwar, Meenu Khatkar, and R. K. Sharma, Idempotents and units of matrix rings over polynomial rings, International Electronic Journal of Algebra, Vol. 22, 2017, 147-169. pdf. Yogesh Kumar, P. R. Mishra, and R. K. Sharma, Non-Linearity of k-Cycle Permutations over Zn, Asian European Journal of Mathematics, Vol. 11, No. 1 (2018) 1850020 (13 pages). pdf. Dinesh Udar, R. K. Sharma and J. B. Srivastava, Strongly P-Clean and semiboolean group rings (to appear in Ukrainian Mathematical Journal). pdf Anju, R. K. Sharma,On Primitive Normal Elements over Finite Fields, Asian European Journal of Mathematics, Vol. 11, No. 2 (2018) 1850031 (14 pages). pdf.. link.. Dinesh Udar, R. K. Sharma and J. B. Srivastava, Commutative Neat group rings, Communications in Algebra, Vol. 45, No. 11, 2017, 4939-4943.link D. C. Mishra, Himani Sharma, R. K. Sharma and Naveen Kumar, A first cryptosystem for security of two dimensional data, Fractals, Vol. 25, No.1, 2017, 1750011 (28 pages).pdf.link. P. R. Mishra, Yogesh Kumar, N. R. Pillai and R. K. Sharma, On Non-Linearity and Affine Equivalence of Permutations over an Arbitrary Finite Commutative Ring with Unity , Cryptologia, Vol. 42, Issue 1 (2018), 81-94. link. Yogesh Kumar, R. K. Sharma and J. B. Srivastava, The structure group of the unit group of the group algebra FS5 , where F is a finite field with char(F)=p>5 (to appear in Acta Matematica Academie Paedagogiace Nyíregyháziensis).pdf Yogesh Kumar, P. R. Mishra, N. R. Pillai and R. K. Sharma, Affine equivalence and non-linearity of permutations over Zn , Applicable Algebra in Engineering, Communication and Computing, Issue 3 (2017). link. S.K.Tiwari, R. K. Sharma, Derivations vanishing identities involving generalised derivations and multilinear polynomials in prime rings,DOI 10.1007/s00009-017-1009-41660-5446/17/050001-23,(2017). link. D. C. Mishra, R. K. Sharma, An approach for security of color image data in coordinate, geometric, and frequency domains, Information Security Journal: A Global Perspective, Vol. 25, No. 46,2016, 213234. l nk. Parvesh Kumari and R. K. Sharma, Unit group of Z2D10 , Int. J. Algebra, Vol. 9, no. 4, 2015, 179-183. pdf S. K. Tiwari, R. K. Sharma and B. Dhara, Derivations vanishing on commutators with generalise derivation of order 2 in prime rings, Communications in Algebra, VOL. 45, NO. 8, 3542–3554, 2017. link V. K. Yadav and R. K. Sharma, On additive mappings in rings with identity element, Rend. Circ. Mat. Palermo, II. Ser., Vol.66, Issue 3 (2016), 355-360. link V. K. Yadav and R. K. Sharma, Skew n-derivations on prime, and semiprime rings, Ann. Uni. Ferr.,Vol. 63, Issue 2 (2016), 391-402. link Reetu Siwach, R. K. Sharma and M. Sahai, Strongly Lie solvable group algebras of derived length 4, Beitr Algebra Geom, 2016, DOI 10.1007/s13366-016-0291-9. link V. K. Yadav, S. K. Tiwari and R. K. Sharma, Generalized derivations on Lie ideals in prime rings, Asian-European Journal of Mathematics, 2016, Vol. 10, Issue 2 (2017),1750032(6 pages). pdf.link. Harish Sahu, Indivar Gupta, N.Rajesh Pillai, Rajendra Sharma, BDD based Cryptanalysis of Stream Cipher: A Practical Approach, IET Information Security, Vol. 11,Issue 3 (2017), 159-167. link R. K. Sharma, B. Prajapati, Generalized derivations and commutativity of prime Banach algebras, Beitr Algebra Geom., DOI: 10.1007/s13366-016-0306-6. pdf Sachin Kumar, Rajendra K. Sharma, Securing color images using Two-square cipher associated with Arnold map, Multimed Tools Appl .,Vol. 76,Issue 6 (2017),8757-8779. pdf Reetu Siwach, R. K. Sharma and M. Sahai, On the Lie Nilpotency Indices of Modular Group Algebras, Beitr Algebra Geom., Vol.58, Issue 2 (2016), 355-367. link S. K. Tiwari, R. K. Sharma and B. Dhara, Some theorems of commutativity on semiprime rings with mappings,Southeast Asian Bull.Math.J., Vol. 42, (2018), 279-292. pdf.link. Swati Maheshwari, R. K. Sharma, Lie regular generators of general linear group GL(4,Zn) ( to appear in Serdica Math. J.). pdf S. K. Tiwari, R. K. Sharma, B. Dhara, Multiplicative (generalized)-derivation in semiprime rings, Beitr Algebra Geom, Vol. 58, No. 1 (2017) link Rohit Gupta, R. K. Sharma, Some new classes of permutation trinomials over finite fields with even characteristic , Finite Fields Appl., Vol. 41, 89-96, 2016. link Yogesh Kumar, N. R. Pillai, R. K. Sharma, On the Number of Integer Recurrence Relations , Defence Sci. J., Vol. 66, No. 6, 2016, pp. 605-611. pdf Reetu Siwach, R. K. Sharma and M. Sahai, Modular group algebras with small Lie nilpotency indices, Asian-European Journal of Mathematics, Vol. 9, No. 2 (2016), 1650080-1- 1650080-15. pdf. link. Swati Maheshwari, R. K. Sharma, The unit group of group algebra FqSL(2,Z3), J.Algebra Comb. Discrete Appl., Vol. 3(1), (2016), 1-6. pdf.link. Swati Sidana, R. K. Sharma, Units in finite loop algebras of RA2 loops, Asian European J. Math., Vol. 9(1), (2016) 1650026-1-1650026-11.. pdf.link. Anju, R. K. Sharma, A note on the distribution of self-dual normal bases generators of finite fields under trace map, Beitr Algebra Geom., Vol. 57,Issue 3 (2016), 573-578. link Rohit Gupta, R. K. Sharma, On permutation polynomials over finite fields of characteristic 2, J. Algebra Appl., Vol. 15(7), (2016), 1650133- 1-1650133-7.. link Dinesh Udar, R. K. Sharma and J. B. Srivastava, Restricted perfect group rings, Communications in Algebra, vol. 44 (2016), 4097-4103. link R. K. Sharma, B. Dhara, S. K. Tiwari, Left annihilator of commutator identity with generalise derivations and multilinear polynomials in prime rings , Communications in Algebra, vol. 44 (2016),3611-3621.link D. C. Mishra, R. K. Sharma, Mayank Dawar, M. Hanmandlu, Two layers of security for color video by matrix affine cipher with two-dimensional discrete wavelet transform, Fractals, Vol. 23, No. 4 (2015). pdf.link. D. C. Mishra, R. K. Sharma, Rakesh Ranjan, M. Hanmandlu, Security of RGB image data by affine hill cipher over SLn(Fq) and Mn(Fq) domains with Arnold transform ,optik ,Vol. 126, Issue 23 (2015),3812-3822. pdf Swati Sidana and R. K. Sharma,On the finite loop algebras of the smallest moufang loop M(S3, 2), Armenian Journal of Mathematics, Vol. 8(1), (2016),68-76. pdf Neha Makhijani, R. K. Sharma and J. B. Srivastava, A note on the structure of FpkA5/J(FpkA5) , Acta Sci. Math. (Szeged), Vol. 82(1-2) , (2016), 29-43..pdf Chirag Garg, R. K. Sharma, On generalized (\alpha, \beta)-derivations in prime rings, Rend. Circ. Mat. Palermo, Vol.65,Issue 2(2016), 175-184. link Shailesh Kumar Tiwari, Rajendra K. Sharma, Basudeb Dhara, Identities related to generalized derivation on ideal in prime rings, Beitr Algebra Geom,Vol. 57, Issue 4 (2016), 809-821.link Neha Makhijani, R. K. Sharma and J. B. Srivastava, The unit group of some special semisimple group algebras , Quaestiones Mathematicae,Vol. 39,Issue 1 (2016), 9-28.link Neha Makhijani, R. K. Sharma and J. B. Srivastava, Units in finite dihedral and quaternion group algebtras, J. Egyptian Math. Soc., Vol. 24, (2016), 5-7. link Neha Makhijani, R. K. Sharma and J. B. Srivastava, Units in Fqk(CprCq), International Electronic Journal of Algebra, vol. 18 (2015), 21-33.pdf.link. Neha Makhijani, R. K. Sharma and J. B. Srivastava, The unit group of Fq[D30], Serdica Math. J. Vol. 41 (2015).link Sachin Kumar, Rajendra Kumar Sharma, Random-grid based region incrementing visual secret sharing, Fundamenta Informaticae 137 (2015) 1–18 DOI 10.3233/FI-2015-1180.pdf.link. Swati Sidana and R. K. Sharma, Finite semisimple loop algebras of indecomposable RA loops, Canadian Mathematical Bulletin, Vol.58, (2015), 363-373. pdf.link. Alok Mishra, R. K. Sharma, W Shukla, On the complexity of the dual bases of the Gaussian normal bases, Algebra Colloquium, Vol. 22(Spec. 1), (2015), 909-922.pdf Neha Makhijani, R. K. Sharma and J. B. Srivastava, On the Order of Unitary Subgroup of the Modular Group Algebra F2kD2N, Journal of Algebra & its Applications, Vol. 14, No. 8 (2015). link D. C. Mishra and R. K. Sharma, Application of algebra and discrete wavelet transform in two-dimensional data (RGB-images) security, International Journal of Wavelets, Multiresolution and Information Processing, Vol. 12, No. 6, DOI: 10.1142/S0219691314500404 (2014). pdf.link. D. C. Mishra, R. K. Sharma, Manish Kumar and Kuldeep Kumar, Security of color image data designed by public-key cryptosystem associated with 2D-DWT, Fractals, Vol. 22, Issue 4 (2014), 1450011(16 pages). pdf Neha Makhijani, R. K. Sharma and J. B. Srivastava, Structure of some classes of semi-simple group algebras over finite fields, Bull. Korean Math. Soc, 51(6), (2014), 1605-1614. pdf.link. Neha Makhijani, R. K. Sharma and J. B. Srivastava, A note on units in FpmD2pn, Acta Math. Acad. Paed. Nyireg.(AMAPN), Vol. 30,(2014), 17-25. link Swati Sidana and R. K. Sharma, Finite loop algebras of RA loops of order 64, Acta Math. Acad. Paed. Nyireg.(AMAPN),30 (2014), 27–42 . pdf.link. Alok Mishra, R. K. Sharma, W. Shukla, On the Bound of the Complexity of the Normal Basis Generated by the Trace of the Dual Element of a Type I Optimal Normal Element, Asian-European Journal of Mathematics, Vol 7, No. 3, DOI: 10.1142/S1793557114500430 (2014). pdf Alok Mishra, R. K. Sharma, W. Shukla, On the Self-dual normal bases and their distribution,  Linear Algebra and its Applications,vol 457(2014) 179-190. pdf Neha Makhijani, R. K. Sharma and J. B. Srivastava, Units in F2kD2n, Int. J. Group Theory, vol 3, no. 3 (2014) 25-34. link Neha Makhijani, R. K. Sharma and J. B. Srivastava, The unit group of algebra of circulant matrices, Int. J. Group Theory, Vol 3, no. 4 (2014) 13-16. link Neha Makhijani, R. K. Sharma and J. B. Srivastava, The unit group of finite group algebra of a generalized dihedral group, Asian-European Journal of Mathematics, Vol. 7(2), (2014), 1450034-1-1450034-5. link Manish Kumar, D. C. Mishra, and R. K. Sharma, A first approach on an RGB image encryption, Optics and laser engineering, Vol 52, (2014) 27-34. pdf Sachin Kumar and R. K. Sharma, Threshold Visual Secret Sharing based on Boolean Operations, Security and Communication Networks, Vol 7, No. 3, (2014) 653–664 pdf R. K. Sharma and B Prajapati, Lie Ideal and Generalized Jordan Left Derivations on Semi Prime Rings, Ital J Pure & Appl Math, Vol 30 (2013), 15-22.pdf D. C. Mishra and R. K. Sharma, Gray scale image encryption using Random Hill cipher over $SL_n (F)$ associated with discrete wavelet transformation, Application and Applied Mathematics, Vol. 8, No. 2 (2013), 777-791 pdf Swati Sidana and R. K. Sharma, The unit loop of finite loop algebras of loops of order 32 , Beitr Algebra Geom, Vol.56, Issue 1 (2015), 339-349. pdf R. K. Sharma and Pooja Yadav, Unit Group of Algebra of Circulant Matrices, Int J Group Theory, Vol 2, No. 4,(2013) pp.1-6. pdf Sugata Gangopadhyay, Anand Joshi, Gregor Leander and R. K. Sharma, A new construction of bent functions based on Z-bent functions, Des. Codes Cryptogr. (2013) 66:243–256pdf Sachin Kumar, Rajendra Kumar Sharma, Secret image sharing for general access structures using random grids, International Journal of Computer Applications (0975 8887),Vol. 83, No. 7(2013).pdf Sachin Kumar and R. K. Sharma, Recursive Information Hiding of Secrets by Random Grids, Cryptologia, Vol 37,Issue 2 (2013), 154-161. pdf.link. R. K. Sharma, Wagish Shukla and S. Ramasamy, A Note on identification of irreducible polynomials of over F2), International Electronic Journal of Pure and Applied Mathematics,Volume 4 No. 2 2012, 59-70. pdf R. K. Sharma, P. Yadav and K. Joshi, Units In Z2(C2 × D∞), International Journal of Group Theory,Vol. 01 No. 4 (2012), pp. 33-41. pdf Anand Joshi and R. K. Sharma, On some classes of Z-bent functions, Int J of computer science and information technologies, Vol. 3,Issue 3 (2012) 4005- 4009. pdf. link. Sachin Kumar and R. K. Sharma, Improving Contrast in Random Grids Based Visual Secret Sharing, International Journal of Security and Its Applications, Vol. 6, No. 1, January 2012, 9-28. pdf Pramod Kanwar, R K Sharma and Pooja Yadav, Lie Regular Generators of the General Linear Groups- II, Int Elect J Algebra, Vol 13, (2013), 91-108. pdf Dhirendra Singh Yadav , R. K. Sharma and Wagish Shukla; A Note on Trace map, International Journal of Algebra, Vol. 5, no. 24, (2011), 1175 - 1179. pdf Dhirendra Singh Yadav , R. K. Sharma andWagish Shukla; On Quadratic Reducibles and Irreducible Applications over Fp, Int.J.of Mathematical Sciences and Applications, Vol. 1, No. 2, (2011), 785-789. R. K. Sharma, Wagish Shukla, S. Ramasamy,On Trace and Structure of F2n, J. Commun. & Computers, Vol. 8, (2011), pp 329-334 pdf B. Dhara, Vincenzo De Filippis and R. K. Sharma, Generalized derivations and left multipliers on Lie ideals, Aequat. Math.,vol. 81 (2011), 251-261pdf R. K. Sharma, Pooja Yadav, Pramod Kumar, Lie Regular Units and Linear Groups, Commun. Algebra, Vol. 40, Issue 4(2012), 1304–1315,pdf B. Dhara and R. K. Sharma, On the Annihilator of Derivations with Engel Conditions in Prime Rings, Tamsui Oxford J. Math. Sci., Vol. 26, No.3, (2010), 255-264pdf Megha Gupta, R. K. Sharma and J. B. Srivastava, A note on Groups of Finite Weight, Southeast Asian Bull. Math, Vol.34, No. 3,(2010), 425-427pdf R. K. Sharma, Wagish Shukla, S. Ramasamy, A Public Key Cryptography from Linear algebra, Sekhar(New Series) Int. J. Math. Vol. 1,Issue 1 (2009), 23-27pdf.link. Rajendra Sharma, Sudesh Shah, The Maximal Semi Regular Ideal of Rings and Group Rings, Lobachevskii J Math., Vol. 31,No. 1 (2010), 51-59.pdf Kanchan Joshi, R. K. Sharma, Strongly Prime Radical of Group Algebras, Contrib. Algeb. & Geom., Vol. 51, No. 2,(2010), 417-425pdf Kanchan Joshi, R. K. Sharma and J. B. Srivastava, *-Prime Group Rings, J. Algeb.& Appl. Vol. 8,No. 6 (2009), 797-803pdf B. Dhara and R. K. Sharma, On Additive Mappings in Rings with Identity Element, Int. Math. Forum Vol. 4,No. 15 (2009), 727-732.pdf B. Dhara and R. K. Sharma, Vanishing Power Values of Commutators with Derivations, Siberian Math. J. Vol. 50, No. 1, (2009), 60-65pdf B. Dhara and R. K. Sharma, Right Sided Ideals and Multi linear Polynomials with Derivations on Prime Rings, Rendicontidel Sem. Math. Univ. di Padova, Vol.121, (2009), 243-257pdf R. K. Sharma and Pooja Yadav, The Unit group of ZpQ8, Algebras, Groups and Geometries, Vol. 24, (2008), 425-430pdf R. K. Sharma, B. Prajapati and S. K. Shah, N-Additive Mapping, Algebras, Groups and Geometries, Vol. 25, (2008), 401-412pdf B. Dhara and R. K. Sharma, On Additive Mappings in Semi Prime Rings with Left Identity, Algebras,Groups and Geometries, Vol. 25,(2008), 175- 180pdf Megha Gupta, R. K. Sharma and J. B. Srivastava, Weight of Groups of Order up to 100, Int. J. Algebra, Vol. 2, No. 17,(2008), 813-836pdf B. Dhara and R. K. Sharma, Derivations with Power Central Values on Lie ideals in Prime Rings, Czechoslovak Math. J, vol. 58(133),(2008),147- 153pdf Megha Gupta, R. K. Sharma and J. B. Srivastava, On Groups and Their Weight, Int. J. of Algebra, Vol.2, (2008), No.6, 265-275pdf B. Dhara and R. K. Sharma, On the Annihilators of Power Values of Commutators with Derivations, Int. J. of Algebra, Vol.2, (2008), No.2, 91-100pdf K. Sikdar, U. C. Gupta and R. K. Sharma, The Analysis of a Finite- Buffer General Input Queue with Batch Arrival and Exponential Multiple Vacations, Int. J. Op. Res, Vol.3, No.1/2, (2008), 219-234pdf.link. R. K. Sharma, J. B. Srivastava, and Manju Khan, The Unit Group of FS4, Acta Math Hungar, Vol.118(1-2), (2008), 105-113pdf R. K. Sharma, J. B. Srivastava, and Manju Khan, The Unit Group of FS3, Acta Math. Acad. Paed. Nyireg.(AMPAN),Vol.23(2), (2007), 129- 142pdf Kanchan Joshi, R. K. Sharma and J.B. Srivastava, *-Prime Group Algebras, Commun. Algebra, Vol.35, (2007), 3673-3682pdf.link. S. K. Samanta, U. C. Gupta and R. K. Sharma, Analyzing Discrete Time D-BMAP/G/1/N Queue with Single and Multiple Vacations, European J. Oper. Res. Vol. 182, (2007), 321-339pdf R. K. Sharma, J. B. Srivastava and Manju Khan, The Unit Group of FA4,Pub.Math. Debrecen, Vol.71/1-2, (2007), 21-26.pdf.link. B. Dhara and R. K. Sharma, Derivations with Annihilator Conditions in Prime Rings, Pub.Math. Debrecen, Vol.71/1-2, (2007), 11-20.pdf.link. U. C. Gupta, S. K. Samanta, R. K. Sharma and M. L. Chaudhry, Discrete-Time Single-Server Finite-Buffer Queues under Discrete Markovian Arrival Process with Vacations, Performance Evaluation,Vol. 64, (2007), 1-19.pdf S. K. Samanta, U. C. Gupta and R. K. Sharma, Analysis of Finite Capacity Discrete-TimeGI/Geo/1 Queueing System with Multiple Vacations, J. Oper. Res. Soc. Vol. 58 (2007), 368-377.pdf.link. R. K. Sharma and Basudeb Dhara, Engel Type Identities with Derivations for Right Ideals in Prime Rings, Mediter. J. Math., Vol.3(1), (2006), 15-29.pdf R. K. Sharma and Basudeb Dhara, An Annihilator Condition on Prime Rings with Derivations, (Tamsui Oxford J. Math. Sc.), Vol 21 (1), (2005), 71-80.pdf R. K. Sharma and Basudeb Dhara, Skew-Commuting and Commuting Mappings in Rings with Left Identity, Resultate der Math. Vol. 46, (2004), 123-129.pdf U. C. Gupta, S. K. Samanta and R. K. Sharma, Computing Queue Length and Waiting Time Distributions in Finite-Buffer Discrete-Time Multi-Server Queues with Late and Early Arrivals, Comp. and Math. with Appl. Vol. 48, No.10-11, (2004), 1557-1573.pdf R. K. Sharma and S. Gangopadhyay, On Congruence Subgroups and Units in ZS4, Commun. Algebra, Vol. 32, No.2, (2004), 663-688.pdf.link. R. K. Sharma and S. Gangopadhyay, On Units in ZD8, Pan-Amer. Math. J., Vol. 11, No.1, (2001), 1-9.pdf R. K. Sharma, S. Gangopadhyay, On Chains in Units of ZA4, Math. Sci. Res. Hot-Line, Vol. 4, No. 9, (2000), 1-33.pdf R. K. Sharma, S. Gangopadhyay, On Units in ZA4, Math. Sci. Res. Hot-Line, Vol. 4, No. 8, (2000), 13-29.pdf R. K. Sharma, S. Gangopadhyay and V. Vetrivel, On Units in ZS3, Commun. Algebra, Vol. 25,No. 7, (1997), 2285-2299.pdf.link. B. Kulshammer and R. K. Sharma, Lie Centrally Metabelian Group Rings in Characteristic 3, J. Algebra, Vol. 180 (1996), 111-120.pdf R. K. Sharma and J. B. Srivastava, Strongly Prime Group Rings, New Zealand J. Math., Vol. 22 (1993), 93-98.pdf R. K. Sharma and J. B. Srivastava, Lie Centrally Metabelian Group Rings, J. Algebra, Vol. 151 (1992), 476-486.pdf R. K. Sharma and V. Bist, A Note on Lie Nilpotent Group Rings, Bull. Austral. Math. Soc., Vol. 45 (1992), 503-506.pdf R. K. Sharma and J. B. Srivastava, On Solvable Lie Ideals of a Ring, C. R. Acad. of Sciences, Vol. 13, No. 2-3 (1991), 115-118.pdf R. K. Sharma and J. B. Srivastava, Lie Ideals in Group Rings, J. Pure and Appl. Algebra, Vol. 63 (1990), 67-80.pdf R. K. Sharma and J. B. Srivastava, Lie Solvable Rings, Proc. Amer. Math. Soc., Vol. 94,No. 1 (1985), 1-8.pdf (b) In Conferences/ Symposia: (i) Papers published in the proceedings: R. K. Sharma, Wagish Shukla, S. Ramaswami, A Note On the Structure of F2n with respect to Trace of its Elements, Proceedings of the National Conference & Network Security, VIT University, Vellore (T N), Feb 18- 19, (2009), pp 43-46pdf Kanchan Joshi, R. K. Sharma and J. B. Srivastava, *-Prime and Strongly Prime Radicals of Group Algebras, Contemp. Math. Vol. 456, (2008), 19-26pdf S. K. Samanta U. C. Gupta and R. K. Sharma, on Analysis and Discrete Structures Alternative approach for analyzing Discrete-Time Finite-Buffer Queues with Server Vacations, Proc. of National Seminar on Recent Advances in Applied Mathematics and its Applications, Vidyasagar University, Midnapore, March,18-19, 2004, pp 20-25. R. K. Sharma and Basudeb Dhara, Rings with Involution introduced by a New Product, Mathematical Analysis,ICADS-2002,IIT Kharagpur, Dec 22-24, 2002), Narosa, 2004, pp 206-210.pdf J. B. Srivastava and R. K. Sharma, Associated Lie Algebras of Group Algebras, Lect. Notes in Mathematics, Marcel Dekker, Vol. 91 (1984), 187-197pdf R. K. Sharma, Dhirendra Singh Yadav and Wagish Shukla; On Applications of Singular Matrices over Finite Fields in Cryptography, Lecture Notes in computer Science(LNCS), Vol 7011 (2011), 181-185. pdf (ii) Papers Presented: Swati Sidana and R. K. Sharma, The structure of the unit loops of finite loop algebras of RA2 loops, (Paper Presented at: International Congress of Mathematicians, Seoul, Korea, (August 13-21, 2014). S. Gangopadhyay, A. Joshi, G. Leander and R. K. Sharma, A new construction of bent functions based on Z-bent functions. In: the proceedings of The Seventh International Workshop on Coding and Cryptography 2011. April 11 - 15, 2011, Paris, France, pp.153 - 162.pdf U. C. Gupta, S. K. Samanta and R. K. Sharma, Queue Length and Waiting Time Distributions in Finite Buffer Discrete Time Multi-Server Queue, (Paper Presented at: International Conference APORS-2003, New Delhi, Dec 8-10, 2003). R. K. Sharma, Lie Ideals in Semi Prime Group Rings, (Paper Presented at: International Congress of Mathematicians, Zurich, (August, 1994).pdf (iii) Technical Reports: R. K. Sharma, On Bicyclic Units, Research Report (No. 322), Universitat Augsburg, Germany (1995)pdf R. K. Sharma, Generalized Ideally Finite Lie Algebras, Research Report, Univ. de Poitiers, France (1986).pdf