Edit Profile (opens in new tab) Vasudeva, Harkrishan Lal Co-Author Distance Author ID: vasudeva.harkrishan-lal Published as: Vasudeva, H. L.; Vasudeva, Harkrishan; Vasudeva, Harkrishan Lal; Vasudeva, Harkrishan L.; Vasudeva, H. more...less Documents Indexed: 69 Publications since 1972, including 5 Books Reviewing Activity: 72 Reviews Co-Authors: 17 Co-Authors with 58 Joint Publications 193 Co-Co-Authors all top 5 Co-Authors 8 single-authored 10 Pym, John S. 9 Parnami, J. C. 7 Kalra, Savita 6 Aujla, Jaspal Singh 6 Rawla, Mandeep Singh 5 Dhar, R. K. 5 Tutschke, Wolfgang 4 Shirali, Satish 4 Singh, Harshinder 3 Chattopadhyay, K. C. 3 Kumari, Kanchan 3 Singh, Ajit Iqbal 2 Baker, John Walter 2 Hegde, Suresh Manjanath 1 Bist, Vikas 1 Buche, A. B. 1 Manjavidze, Giorgi F. 1 Singh, Raj Kishor all top 5 Serials 8 The Journal of the Indian Mathematical Society. New Series 6 Proceedings of the American Mathematical Society 5 Indian Journal of Pure & Applied Mathematics 4 Bulletin of the Calcutta Mathematical Society 4 Aequationes Mathematicae 2 Revue Roumaine de Mathématiques Pures et Appliquées 2 Studia Mathematica 2 Mathematica Japonica 2 The Mathematics Student 2 Complex Variables. Theory and Application 2 Linear Algebra and its Applications 1 Linear and Multilinear Algebra 1 Periodica Mathematica Hungarica 1 Annales Polonici Mathematici 1 Colloquium Mathematicum 1 Czechoslovak Mathematical Journal 1 Dissertationes Mathematicae 1 Mathematische Nachrichten 1 Mathematika 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 Research Bulletin of the Panjab University. New Series 1 Semigroup Forum 1 Tôhoku Mathematical Journal. Second Series 1 Transactions of the American Mathematical Society 1 Zeitschrift für Analysis und ihre Anwendungen 1 Mathematics Today 1 Glasnik Matematički. Serija III 1 Proceedings of the Royal Irish Academy. Section A, Mathematical and Physical Sciences 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Publikacije Elektrotehničkog Fakulteta. Serija: Matematika 1 Memoirs on Differential Equations and Mathematical Physics 1 Mathematical Inequalities & Applications 1 AKCE International Journal of Graphs and Combinatorics 1 Rendiconti del Seminario Matematico. Universitá e Politecnico di Torino 1 Modern Analysis Series 1 Springer Undergraduate Mathematics Series all top 5 Fields 21 Operator theory (47-XX) 18 Functional analysis (46-XX) 16 Abstract harmonic analysis (43-XX) 12 Difference and functional equations (39-XX) 10 Linear and multilinear algebra; matrix theory (15-XX) 10 Real functions (26-XX) 5 Functions of a complex variable (30-XX) 5 General topology (54-XX) 3 Measure and integration (28-XX) 2 Combinatorics (05-XX) 2 Topological groups, Lie groups (22-XX) 2 Partial differential equations (35-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Special functions (33-XX) 1 Ordinary differential equations (34-XX) 1 Integral transforms, operational calculus (44-XX) 1 Convex and discrete geometry (52-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 30 Publications have been cited 132 times in 126 Documents Cited by ▼ Year ▼ On Jensen’s functional equation. Zbl 0755.39008Parnami, J. C.; Vasudeva, H. L. 26 1992 Positive definite matrices and absolutely monotonic functions. Zbl 0427.26005Vasudeva, Harkrishan 14 1979 Metric spaces. Zbl 1095.54001Shirali, Satish; Vasudeva, Harkrishan L. 12 2006 Inequalities involving Hadamard product and operator means. Zbl 0859.15007Aujla, Jaspal Singh; Vasudeva, H. L. 9 1995 Inequalities for Hadamard product and unitarily invariant norms of matrices. Zbl 1002.47007Singh, Mandeep; Aujla, Jaspal Singh; Vasudeva, H. L. 9 2001 Monotone matrix functions of two variables. Zbl 0990.15010Singh, Mandeep; Vasudeva, H. L. 7 2001 The calculus of operator functions and operator convexity. Zbl 0969.47009Brown, A. L.; Vasudeva, H. L. 6 2000 Log-convex matrix functions. Zbl 1005.15012Aujla, Jaspal Singh; Rawla, Mandeep Singh; Vasudeva, H. L. 6 2000 On monotone matrix functions of two variables. Zbl 0261.26009Vasudeva, Harkrishan 5 1973 On an exponential-cosine functional equation. Zbl 0679.39003Parnami, J. C.; Singh, H.; Vasudeva, H. L. 4 1988 Totally ordered measure spaces and their \(L^ p\) algebras. Zbl 0477.46031Baker, J. W.; Pym, J. S.; Vasudeva, H. L. 4 1982 An introduction to complex analysis. Classical and modern approaches. Zbl 1064.30002Tutschke, Wolfgang; Vasudeva, Harkrishan L. 4 2005 On mod difference labeling of digraphs. Zbl 1210.05056Hegde, S. M.; Vasudeva 4 2009 Exponential-cosine operator-valued functional equation in the strong operator topology. Zbl 0558.47032Singh, Harshinder; Vasudeva, H. L. 3 1984 On the stability of almost convex functions. Zbl 0609.26006Parnami, J. C.; Vasudeva, H. L. 2 1986 The algebra \(A_ p((0,\infty))\) with order convolution and its multipliers. Zbl 0722.43003Kalra, Savita; Singh, Ajit Iqbal; Vasudeva, H. L. 2 1989 One dimensional perturbations of compact operators. Zbl 0342.47011Vasudeva, Harkrishan 2 1976 Convex and monotone operator functions. Zbl 0859.15006Aujla, Jaspal Singh; Vasudeva, H. L. 2 1995 Norm inequalities involving matrix monotone functions. Zbl 1073.47014Singh, M.; Vasudeva, H. L. 2 2004 A complex method for solving boundary value problems with boundary data piecewise belonging to fractional order spaces. Zbl 1069.30065Manjavidze, G.; Tutschke, W.; Vasudeva, H. L. 2 2004 Multivariable analysis. Zbl 1208.26004Shirali, Satish; Vasudeva, Harkrishan Lal 2 2011 The generalized Cauchy equation for operator-valued functions. Zbl 0326.47045Buche, A. B.; Vasudeva, H. L. 1 1976 The algebra of finitely additive measures on a partially ordered semigroup. Zbl 0347.43001Pym, J. S.; Vasudeva, H. L. 1 1977 Rotation of eigenvectors by a perturbation. Zbl 0373.15011Vasudeva, Harkrishan 1 1975 Semigroup structure in compactifications of ordered semigroups. Zbl 0383.06005Pym, J. S.; Vasudeva, H. L. 1 1977 Spaces of multipliers and their preduals for the order multiplication on \([0, 1]\). Zbl 1039.43006Bhatnagar, Savita; Vasudeva, H. L. 1 2002 On the lattice of f-proximities. Zbl 0448.54028Chattopadhyay, K. C.; Vasudeva, H. L. 1 1980 A note on subadditive matrix functions. Zbl 1004.39020Singh, Mandeep; Vasudeva, H. L. 1 2002 Weighted power means of operators. Zbl 1194.47023Vasudeva, H. L.; Singh, Mandeep 1 2008 Second order perturbation bounds. Zbl 0888.47009Bist, Vikas; Vasudeva, Harkrishan L. 1 1997 Multivariable analysis. Zbl 1208.26004Shirali, Satish; Vasudeva, Harkrishan Lal 2 2011 On mod difference labeling of digraphs. Zbl 1210.05056Hegde, S. M.; Vasudeva 4 2009 Weighted power means of operators. Zbl 1194.47023Vasudeva, H. L.; Singh, Mandeep 1 2008 Metric spaces. Zbl 1095.54001Shirali, Satish; Vasudeva, Harkrishan L. 12 2006 An introduction to complex analysis. Classical and modern approaches. Zbl 1064.30002Tutschke, Wolfgang; Vasudeva, Harkrishan L. 4 2005 Norm inequalities involving matrix monotone functions. Zbl 1073.47014Singh, M.; Vasudeva, H. L. 2 2004 A complex method for solving boundary value problems with boundary data piecewise belonging to fractional order spaces. Zbl 1069.30065Manjavidze, G.; Tutschke, W.; Vasudeva, H. L. 2 2004 Spaces of multipliers and their preduals for the order multiplication on \([0, 1]\). Zbl 1039.43006Bhatnagar, Savita; Vasudeva, H. L. 1 2002 A note on subadditive matrix functions. Zbl 1004.39020Singh, Mandeep; Vasudeva, H. L. 1 2002 Inequalities for Hadamard product and unitarily invariant norms of matrices. Zbl 1002.47007Singh, Mandeep; Aujla, Jaspal Singh; Vasudeva, H. L. 9 2001 Monotone matrix functions of two variables. Zbl 0990.15010Singh, Mandeep; Vasudeva, H. L. 7 2001 The calculus of operator functions and operator convexity. Zbl 0969.47009Brown, A. L.; Vasudeva, H. L. 6 2000 Log-convex matrix functions. Zbl 1005.15012Aujla, Jaspal Singh; Rawla, Mandeep Singh; Vasudeva, H. L. 6 2000 Second order perturbation bounds. Zbl 0888.47009Bist, Vikas; Vasudeva, Harkrishan L. 1 1997 Inequalities involving Hadamard product and operator means. Zbl 0859.15007Aujla, Jaspal Singh; Vasudeva, H. L. 9 1995 Convex and monotone operator functions. Zbl 0859.15006Aujla, Jaspal Singh; Vasudeva, H. L. 2 1995 On Jensen’s functional equation. Zbl 0755.39008Parnami, J. C.; Vasudeva, H. L. 26 1992 The algebra \(A_ p((0,\infty))\) with order convolution and its multipliers. Zbl 0722.43003Kalra, Savita; Singh, Ajit Iqbal; Vasudeva, H. L. 2 1989 On an exponential-cosine functional equation. Zbl 0679.39003Parnami, J. C.; Singh, H.; Vasudeva, H. L. 4 1988 On the stability of almost convex functions. Zbl 0609.26006Parnami, J. C.; Vasudeva, H. L. 2 1986 Exponential-cosine operator-valued functional equation in the strong operator topology. Zbl 0558.47032Singh, Harshinder; Vasudeva, H. L. 3 1984 Totally ordered measure spaces and their \(L^ p\) algebras. Zbl 0477.46031Baker, J. W.; Pym, J. S.; Vasudeva, H. L. 4 1982 On the lattice of f-proximities. Zbl 0448.54028Chattopadhyay, K. C.; Vasudeva, H. L. 1 1980 Positive definite matrices and absolutely monotonic functions. Zbl 0427.26005Vasudeva, Harkrishan 14 1979 The algebra of finitely additive measures on a partially ordered semigroup. Zbl 0347.43001Pym, J. S.; Vasudeva, H. L. 1 1977 Semigroup structure in compactifications of ordered semigroups. Zbl 0383.06005Pym, J. S.; Vasudeva, H. L. 1 1977 One dimensional perturbations of compact operators. Zbl 0342.47011Vasudeva, Harkrishan 2 1976 The generalized Cauchy equation for operator-valued functions. Zbl 0326.47045Buche, A. B.; Vasudeva, H. L. 1 1976 Rotation of eigenvectors by a perturbation. Zbl 0373.15011Vasudeva, Harkrishan 1 1975 On monotone matrix functions of two variables. Zbl 0261.26009Vasudeva, Harkrishan 5 1973 all cited Publications top 5 cited Publications all top 5 Cited by 202 Authors 9 Khare, Apoorva 8 Guillot, Dominique 6 Aujla, Jaspal Singh 6 Vasudeva, Harkrishan Lal 5 Rajaratnam, Bala 5 Rawla, Mandeep Singh 4 Seo, Yuki 3 Azadi-Kenary, Hassan 3 Belton, Alexander C. R. 3 Kapil, Yogesh 3 Mohiuddine, Syed Abdul 3 Park, Choonkil 3 Putinar, Mihai 2 Agarwal, Ravi P. 2 Aggarwal, Anchal 2 Bhatnagar, Savita 2 Chen, Jein-Shan 2 Cho, Yeol Je 2 Fadli, Brahim 2 Gil’, Michael Iosif 2 Gutlyanskiĭ, Vladimir Ya. 2 Hansen, Frank-Peter 2 Hiai, Fumio 2 Kabbaj, Samir 2 Kamali, Zeinab 2 Kian, Mohsen 2 Menegatto, Valdir Antonio 2 Mićić, Jadranka 2 Mirmostafaee, Alireza Kamel 2 Moradi, Hamid Reza 2 Moslehian, Mohammad Sal 2 Oliveira, Claudemir P. 2 Park, Wongil 2 Pečarić, Josip 2 Peron, Ana Paula 2 Rassias, Themistocles Michael 2 Rezaei, Hamid 2 Ryazanov, Vladimir Il’ich 2 Sababheh, Mohamad Suboh 2 Setia, Amit 2 Sevost’yanov, Yevgen Oleksandrovych 2 Sharma, Vaishali 2 Stetkær, Henrik 2 Talebzadeh, Saedeh 2 Yakubov, Eduard H. 1 Abtahi, Fatemeh 1 Aghajani, Asadollah 1 Agler, Jim 1 Aguilar, Konrad 1 Alotaibi, Abdullah M. 1 Alpay, Daniel Aron 1 Aminpour, A. M. 1 Ando, Tsuyoshi 1 Ariza, Eusebio 1 Azadi Kenary, C. 1 Bae, Jae-Hyeong 1 Barría Comicheo, Angel 1 Becerra Guerrero, Julio 1 Bhatia, Rajendra 1 Bist, Vikas 1 Bouikhalene, Belaid 1 Bourin, Jean-Christophe 1 Bunge, John 1 Cancan, Murat 1 Chang, Yulin 1 Chansangiam, Pattrawut 1 Chen, Xin 1 Chqudhury, Binayak S. 1 Chung, Jaeyoung 1 Dehghani, Mahdi 1 Devi, Manisha 1 Di Teodoro, Antonio Nicola 1 Dowker, Fay 1 Ebrahimi Bagha, Davood 1 El-Fassi, Iz-Iddine 1 Elqorachi, Elhoucien 1 Eshaghi Gordji, Madjid 1 Eskandani, Golamreza Zamani 1 Fernández-Polo, Francisco J. 1 Filinkov, Alexei 1 Franz, Uwe 1 Fujii, Masatoshi 1 Furuichi, Shigeru 1 Furuta, Takayuki 1 Gao, Fugen 1 Garrido, Juan Guillermo 1 Ghaemi, Mohammad Bagher 1 Ghazanfari, Amir Ghasem 1 Giorgadze, Grigory 1 Hanke-Bourgeois, Martin 1 Hollborn, Stefanie 1 Hu, Chu-Chin 1 Huang, Chien-Hao 1 Hyvönen, Nuutti 1 Imambaccus, Nazireen 1 Ionaşcu, Eugen Julien 1 Janfada, Mohammad 1 Jeong, Juyoung 1 Jian, Wang 1 Jiang, Tianpei ...and 102 more Authors all top 5 Cited in 72 Serials 15 Linear Algebra and its Applications 10 Journal of Mathematical Analysis and Applications 6 Transactions of the American Mathematical Society 6 Journal of Inequalities and Applications 4 Journal of Mathematical Sciences (New York) 3 Fuzzy Sets and Systems 3 Publications of the Research Institute for Mathematical Sciences, Kyoto University 3 Aequationes Mathematicae 3 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 2 Linear and Multilinear Algebra 2 Proceedings of the American Mathematical Society 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Discrete Dynamics in Nature and Society 2 Operators and Matrices 2 Journal of Mathematical Inequalities 1 Classical and Quantum Gravity 1 Computers & Mathematics with Applications 1 Israel Journal of Mathematics 1 Journal d’Analyse Mathématique 1 Journal of Mathematical Physics 1 Mathematical Notes 1 Periodica Mathematica Hungarica 1 Rocky Mountain Journal of Mathematics 1 Chaos, Solitons and Fractals 1 Journal of Geometry and Physics 1 American Journal of Mathematics 1 Applied Mathematics and Computation 1 Applied Mathematics and Optimization 1 Czechoslovak Mathematical Journal 1 Demonstratio Mathematica 1 Information Sciences 1 Integral Equations and Operator Theory 1 Journal of Combinatorial Theory. Series A 1 Journal of Computational and Applied Mathematics 1 Journal of Functional Analysis 1 Journal of the Korean Mathematical Society 1 Journal of Soviet Mathematics 1 Journal of Statistical Planning and Inference 1 Mathematische Annalen 1 Mathematische Nachrichten 1 Mathematica Scandinavica 1 Memoirs of the American Mathematical Society 1 Monatshefte für Mathematik 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Numerische Mathematik 1 Quaestiones Mathematicae 1 Mathematical and Computer Modelling 1 International Journal of Mathematics 1 Journal of Global Optimization 1 Archive of Applied Mechanics 1 Tatra Mountains Mathematical Publications 1 Georgian Mathematical Journal 1 The Journal of Fourier Analysis and Applications 1 Theory of Computing Systems 1 Abstract and Applied Analysis 1 Mathematical Physics, Analysis and Geometry 1 Positivity 1 Mathematical Inequalities & Applications 1 Annals of Mathematics. Second Series 1 Journal of the European Mathematical Society (JEMS) 1 Acta Mathematica Sinica. English Series 1 Journal of Applied Mathematics 1 Mediterranean Journal of Mathematics 1 Iranian Journal of Fuzzy Systems 1 Inverse Problems in Science and Engineering 1 Proyecciones 1 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 1 Analysis and Mathematical Physics 1 Mathematical Sciences 1 Journal of Classical Analysis 1 Journal of Function Spaces 1 Sahand Communications in Mathematical Analysis all top 5 Cited in 37 Fields 49 Operator theory (47-XX) 34 Linear and multilinear algebra; matrix theory (15-XX) 31 Difference and functional equations (39-XX) 30 Functional analysis (46-XX) 15 Real functions (26-XX) 11 Functions of a complex variable (30-XX) 7 Combinatorics (05-XX) 6 General topology (54-XX) 5 Measure and integration (28-XX) 5 Abstract harmonic analysis (43-XX) 4 Partial differential equations (35-XX) 4 Integral transforms, operational calculus (44-XX) 4 Statistics (62-XX) 4 Numerical analysis (65-XX) 4 Computer science (68-XX) 3 Ordinary differential equations (34-XX) 2 Number theory (11-XX) 2 Field theory and polynomials (12-XX) 2 Nonassociative rings and algebras (17-XX) 2 Group theory and generalizations (20-XX) 2 Topological groups, Lie groups (22-XX) 2 Approximations and expansions (41-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 2 Mechanics of deformable solids (74-XX) 2 Quantum theory (81-XX) 1 Mathematical logic and foundations (03-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Integral equations (45-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Optics, electromagnetic theory (78-XX) 1 Relativity and gravitational theory (83-XX) 1 Geophysics (86-XX) 1 Operations research, mathematical programming (90-XX) 1 Biology and other natural sciences (92-XX) Citations by Year