Edit Profile (opens in new tab) Sharma, Chandra Shekhar Compute Distance To: Compute Author ID: sharma.chandra-shekhar Published as: Sharma, C. S.; Sharma, Chandra Shekhar Documents Indexed: 50 Publications since 1962, including 1 Book Reviewing Activity: 377 Reviews Co-Authors: 10 Co-Authors with 20 Joint Publications 208 Co-Co-Authors all top 5 Co-Authors 27 single-authored 6 Grubb, Anthea 5 Almeida, D. F. 2 Coulson, Charles Alfred 2 Rankanathan, S. Sri 1 Coulson, T. J. 1 David, Elias 1 Mukherjee, M. K. 1 Nicholson, G. E. 1 Rassias, Themistocles Michael 1 Rebelo, I. all top 5 Serials 24 Journal of Natural Geometry 5 Journal of Physics A: Mathematical and General 4 Journal of Mathematical Physics 2 International Journal of Theoretical Physics 2 Letters in Mathematical Physics 2 Annals of Physics 2 Proceedings of the Physical Society 1 Discrete Mathematics 1 Journal of Mathematical and Physical Sciences 1 The British Journal for the Philosophy of Science 1 Bulletin of the Calcutta Mathematical Society 1 Results in Mathematics 1 Acta Mathematica Hungarica 1 Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences all top 5 Fields 17 Operator theory (47-XX) 16 Functional analysis (46-XX) 13 Quantum theory (81-XX) 12 Relativity and gravitational theory (83-XX) 9 Linear and multilinear algebra; matrix theory (15-XX) 6 Global analysis, analysis on manifolds (58-XX) 5 Order, lattices, ordered algebraic structures (06-XX) 5 Calculus of variations and optimal control; optimization (49-XX) 4 General and overarching topics; collections (00-XX) 4 Group theory and generalizations (20-XX) 3 Differential geometry (53-XX) 3 Mechanics of particles and systems (70-XX) 3 Optics, electromagnetic theory (78-XX) 2 Mathematical logic and foundations (03-XX) 2 Geometry (51-XX) 1 Category theory; homological algebra (18-XX) 1 Measure and integration (28-XX) 1 Functions of a complex variable (30-XX) 1 Partial differential equations (35-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Sequences, series, summability (40-XX) 1 Manifolds and cell complexes (57-XX) 1 Probability theory and stochastic processes (60-XX) 1 Numerical analysis (65-XX) 1 Mechanics of deformable solids (74-XX) 1 Fluid mechanics (76-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 15 Publications have been cited 73 times in 55 Documents Cited by ▼ Year ▼ A direct proof of Wigner’s theorem on maps which preserve transition probabilities between pure states of quantum systems. Zbl 0875.46008Sharma, C. S.; Almeida, D. F. 17 1990 Spectral theory for unitary operators on a quaternionic Hilbert space. Zbl 0692.47026Sharma, C. S.; Coulson, T. J. 15 1987 Applications of strongly convergent sequences to Fourier series by means of modulus functions. Zbl 1399.40003Raj, K.; Sharma, C. 13 2016 Properties of isometries. Zbl 0776.51015Rassias, Themistocles M.; Sharma, Chandra Shekhar 9 1993 The first mathematical proof of Wigner’s theorem. Zbl 0802.46033Almeida, D. F.; Sharma, C. S. 7 1992 Additive functionals and operators on a quaternionic Hilbert space. Zbl 0664.46080Sharma, C. S.; Almeida, D. F. 6 1989 Calculus on complex Banach spaces. Zbl 0547.46028Pian, J.; Sharma, C. S. 3 1983 The generalised Brillouin theorem. Zbl 0494.46045Pian, J.; Sharma, C. S. 3 1981 Additive isometries on a quaternionic Hilbert space. Zbl 0722.46009Sharma, C. S.; Almeida, D. F. 3 1990 Regular join endomorphisms on a complemented modular lattice of finite rank. Zbl 0548.06004Nicholson, G. E.; Grubb, Anthea; Sharma, C. S. 2 1984 An extended characterisation theorem for quantum logics. Zbl 0366.06015Sharma, C. S.; Mukherjee, M. K. 2 1977 Semilinear operators. Zbl 0657.47024Sharma, C. S.; Almeida, D. F. 2 1988 A new differential calculus on a complex Banach space with application to variational problems of quantum theory. Zbl 0316.46042Sharma, C. S.; Rebelo, I. 2 1975 Hartree-Fock and correlation energies for \(1s2s^ 3 S\) and \(^ 1S\) states of helium-like ions. Zbl 0107.24002Sharma, C. S.; Coulson, C. A. 1 1962 A perturbation treatment of the unrestricted Hartree-Fock equations for the ground state of lithium-likeions. Zbl 0107.24003Sharma, C. S. 1 1962 Applications of strongly convergent sequences to Fourier series by means of modulus functions. Zbl 1399.40003Raj, K.; Sharma, C. 13 2016 Properties of isometries. Zbl 0776.51015Rassias, Themistocles M.; Sharma, Chandra Shekhar 9 1993 The first mathematical proof of Wigner’s theorem. Zbl 0802.46033Almeida, D. F.; Sharma, C. S. 7 1992 A direct proof of Wigner’s theorem on maps which preserve transition probabilities between pure states of quantum systems. Zbl 0875.46008Sharma, C. S.; Almeida, D. F. 17 1990 Additive isometries on a quaternionic Hilbert space. Zbl 0722.46009Sharma, C. S.; Almeida, D. F. 3 1990 Additive functionals and operators on a quaternionic Hilbert space. Zbl 0664.46080Sharma, C. S.; Almeida, D. F. 6 1989 Semilinear operators. Zbl 0657.47024Sharma, C. S.; Almeida, D. F. 2 1988 Spectral theory for unitary operators on a quaternionic Hilbert space. Zbl 0692.47026Sharma, C. S.; Coulson, T. J. 15 1987 Regular join endomorphisms on a complemented modular lattice of finite rank. Zbl 0548.06004Nicholson, G. E.; Grubb, Anthea; Sharma, C. S. 2 1984 Calculus on complex Banach spaces. Zbl 0547.46028Pian, J.; Sharma, C. S. 3 1983 The generalised Brillouin theorem. Zbl 0494.46045Pian, J.; Sharma, C. S. 3 1981 An extended characterisation theorem for quantum logics. Zbl 0366.06015Sharma, C. S.; Mukherjee, M. K. 2 1977 A new differential calculus on a complex Banach space with application to variational problems of quantum theory. Zbl 0316.46042Sharma, C. S.; Rebelo, I. 2 1975 Hartree-Fock and correlation energies for \(1s2s^ 3 S\) and \(^ 1S\) states of helium-like ions. Zbl 0107.24002Sharma, C. S.; Coulson, C. A. 1 1962 A perturbation treatment of the unrestricted Hartree-Fock equations for the ground state of lithium-likeions. Zbl 0107.24003Sharma, C. S. 1 1962 all cited Publications top 5 cited Publications all top 5 Cited by 54 Authors 6 Colombo, Fabrizio 5 Gantner, Jonathan 5 Jung, Soon-Mo 5 Tan, Dongni 4 Alpay, Daniel Aron 4 Kimsey, David Patrick 4 Sharma, Chandra Shekhar 3 Almeida, D. F. 3 Huang, XuJian 3 Luna-Elizarrarás, María Elena 3 Thirulogasanthar, Kengatharam 3 Turnšek, Aleksej 2 Chmieliński, Jacek 2 Gehér, György Pál 2 Ilišević, Dijana 2 Rassias, Themistocles Michael 2 Shapiro, Michael V. 1 Ali, Syed Twareque 1 Bugajewski, Dariusz 1 Friedman, Yaakov 1 Ghiloni, Riccardo 1 Giovannetti, Vittorio 1 Győry, Máté 1 Hanks, Richard W. 1 Honnouvo, Gilbert 1 Janssens, Tim 1 Jia, Weike 1 Jin, Xihong 1 Khokulan, M. 1 Kim, Byungbae 1 Krutter, H. M. 1 Krzyżak, Adam 1 Lami, Ludovico 1 Layzer, David 1 Li, Yuanxia 1 Liu, Rui 1 Ma, Yumei 1 Mielnik, Bogdan 1 Molnár, Lajos 1 Moretti, Valter 1 Muraleetharan, B. 1 Nagy, Gergő 1 Pavičić, Mladen 1 Peralta, Antonio M. 1 Perotti, Alessandro 1 Ramesh, Golla 1 Rätz, Jürg 1 Sabadini, Irene 1 Šemrl, Peter 1 Slater, John Clarke 1 Tret’yakov, D. V. 1 Wang, Ruidong 1 Xiang, Shuhuang 1 Xiong, Xiaolei all top 5 Cited in 35 Serials 7 Journal of Mathematical Analysis and Applications 7 Journal of Mathematical Physics 3 Aequationes Mathematicae 2 International Journal of Theoretical Physics 2 Reviews in Mathematical Physics 2 Physical Review, II. Series 2 Annals of Functional Analysis 1 Bulletin of the Australian Mathematical Society 1 Communications in Mathematical Physics 1 Mathematical Methods in the Applied Sciences 1 Physics of Fluids 1 Physics Letters. A 1 Reports on Mathematical Physics 1 Journal of Geometry and Physics 1 International Journal of Mathematics and Mathematical Sciences 1 Memoirs of the American Mathematical Society 1 Monatshefte für Mathematik 1 Proceedings of the American Mathematical Society 1 Quaestiones Mathematicae 1 Results in Mathematics 1 Transactions of the American Mathematical Society 1 Bulletin of the Korean Mathematical Society 1 Linear Algebra and its Applications 1 Journal of Mathematical Sciences (New York) 1 Advances in Applied Clifford Algebras 1 Journal of Inequalities and Applications 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Bulletin of the Brazilian Mathematical Society. New Series 1 Milan Journal of Mathematics 1 Analysis and Applications (Singapore) 1 Mediterranean Journal of Mathematics 1 Journal of Physics A: Mathematical and Theoretical 1 Analysis and Mathematical Physics 1 Quantum Studies: Mathematics and Foundations 1 Open Mathematics all top 5 Cited in 22 Fields 30 Functional analysis (46-XX) 26 Operator theory (47-XX) 12 Quantum theory (81-XX) 8 Difference and functional equations (39-XX) 4 Functions of a complex variable (30-XX) 4 Geometry (51-XX) 2 Number theory (11-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 1 General and overarching topics; collections (00-XX) 1 Mathematical logic and foundations (03-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Field theory and polynomials (12-XX) 1 Nonassociative rings and algebras (17-XX) 1 Group theory and generalizations (20-XX) 1 Topological groups, Lie groups (22-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Special functions (33-XX) 1 Partial differential equations (35-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 General topology (54-XX) 1 Information and communication theory, circuits (94-XX) Citations by Year