# zbMATH — the first resource for mathematics

## Subrahmanyam, Papagudi Venkatachalam

Compute Distance To:
 Author ID: subrahmanyam.papagudi-venkatachalam Published as: Subrahmanyam, P. V.; Subrahmanyam, P.; Subrahmanyam, Papagudi Venkatachalam
 Documents Indexed: 72 Publications since 1974, including 5 Books
all top 5

#### Co-Authors

 17 single-authored 7 Sudarsanam, S. K. 7 Suryanarayana, D. 6 Chitra, A. 6 Vijesh, V. Antony 5 Balakrishna Reddy, K. 5 Murugan, Veerapazham 4 Antony, Jessy 3 Reilly, Ivan Leon 1 Bergweiler, Walter 1 Ishii, Hiroaki 1 Jakimovski, Amnon 1 Kumaresan, Premalatha 1 Narasimhan, K. S. V. S. 1 Parvatham, Rajagopalan 1 Rangachari, M. S. 1 Rao, V. Subba 1 Ruscheweyh, Stephan 1 V. Murugan, V. 1 Vamanamurthy, Mavina Krishna 1 Watada, Junzo
all top 5

#### Serials

 5 Journal of Mathematical and Physical Sciences 4 Indian Journal of Pure & Applied Mathematics 4 Journal of Mathematical Analysis and Applications 4 Aequationes Mathematicae 3 Zbornik Radova. Prirodno-Matematichkog Fakulteta. Serija za Matematiku 3 Differential Equations and Dynamical Systems 3 Scientiae Mathematicae Japonicae 3 Nonlinear Analysis. Theory, Methods & Applications 2 Acta Mathematica Academiae Scientiarum Hungaricae 2 Astrophysics and Space Science 2 Fuzzy Sets and Systems 2 Journal of Combinatorics, Information & System Sciences 2 Monatshefte für Mathematik 2 The Journal of Analysis 2 The Journal of Fuzzy Mathematics 2 International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 1 Applicable Analysis 1 Annales Polonici Mathematici 1 Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae. Sectio Mathematica 1 Demonstratio Mathematica 1 Funkcialaj Ekvacioj. Serio Internacia 1 Indian Journal of Mathematics 1 Information Sciences 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Approximation Theory 1 Journal of Optimization Theory and Applications 1 The Mathematics Student 1 Pacific Journal of Mathematics 1 Atti del Seminario Matematico e Fisico dell’Università di Modena 1 Bulletin of the Institute of Mathematics. Academia Sinica 1 Journal of the Australian Mathematical Society. Series A 1 Fixed Point Theory and Applications 1 Bulletin de l’Académie Polonaise des Sciences, Série des Sciences Mathématiques, Astronomiques et Physiques 1 Forum for Interdisciplinary Mathematics
all top 5

#### Fields

 30 Operator theory (47-XX) 22 General topology (54-XX) 11 Difference and functional equations (39-XX) 9 Number theory (11-XX) 8 Numerical analysis (65-XX) 7 Functional analysis (46-XX) 6 General and overarching topics; collections (00-XX) 6 Mathematical logic and foundations (03-XX) 5 Integral equations (45-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 Mechanics of particles and systems (70-XX) 3 Astronomy and astrophysics (85-XX) 2 Measure and integration (28-XX) 2 Sequences, series, summability (40-XX) 2 Operations research, mathematical programming (90-XX) 1 Combinatorics (05-XX) 1 Real functions (26-XX) 1 Functions of a complex variable (30-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Partial differential equations (35-XX) 1 Approximations and expansions (41-XX) 1 Algebraic topology (55-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Probability theory and stochastic processes (60-XX) 1 Computer science (68-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Information and communication theory, circuits (94-XX)

#### Citations contained in zbMATH Open

34 Publications have been cited 347 times in 310 Documents Cited by Year
Cauchy sequences in quasi-pseudo-metric spaces. Zbl 0472.54018
Reilly, I. L.; Subrahmanyam, P. V.; Vamanamurthy, M. K.
1982
Completeness and fixed-points. Zbl 0312.54048
Subrahmanyam, P. V.
1975
A note on the solution of a class of functional equations. Zbl 0604.39006
1986
Remarks on some fixed-point theorems related to Banach’s contraction principle. Zbl 0294.54033
Subrahmanyam, P. V.
1974
An application of a fixed point theorem to best approximation. Zbl 0349.41013
Subrahmanyam, P. V.
1977
A common fixed point theorem in fuzzy metric spaces. Zbl 0867.54017
Subrahmanyam, P. V.
1995
Cesàro summability for fuzzy real numbers. Zbl 0947.40005
Subrahmanyam, P. V.
1999
A note on fuzzy Volterra integral equations. Zbl 0884.45002
Subrahmanyam, P. V.; Sudarsanam, S. K.
1996
Special solutions of a general iterative functional equation. Zbl 1113.39028
Murugan, Veerapazham; Subrahmanyam, Papagudi Venkatachalam
2006
Fuzzy sets and fixed points. Zbl 0628.47035
Chitra, A.; Subrahmanyam, P. V.
1987
Existence of solutions for equations involving iterated functional series. Zbl 1101.39007
Murugan, V.; Subrahmanyam, P. V.
2005
On sums involving the integer part of $$x$$. Zbl 0487.10003
Subrahmanyam, P.
1977
A Newton-like method and its application. Zbl 1136.65058
Vijesh, V. Antony; Subrahmanyam, P. V.
2008
Remarks on a nonlinear complementarity problem. Zbl 0595.90089
Chitra, A.; Subrahmanyam, P. V.
1987
Common fixed points in closed balls. Zbl 0656.54031
1988
Some fixed point theorems. Zbl 0772.54041
Subrahmanyam, P. V.; Reilly, I. L.
1992
On some fuzzy functional equations. Zbl 0845.39009
Subrahmanyam, P. V.; Sudarsanam, S. K.
1994
Extensions of Krasnoselskii’s and Matkowski’s fixed point theorems. Zbl 0503.47049
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1981
Altman’s contractors and fixed points of multivalued mappings. Zbl 0528.47043
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1982
A Newton-type method and its application. Zbl 1123.47049
Vijesh, V. Antony; Subrahmanyam, P. V.
2006
An operator equation in a Tychonoff space. Zbl 0442.54029
Subrahmanyam, P. V.
1980
The maximal k-full divisor of an integer. Zbl 0451.10026
Suryanarayana, D.; Subrahmanyam, P.
1981
Altman’s contractors and Matkowski’s fixed point theorem. Zbl 0488.47030
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1981
A variant of Newton’s method and its application. Zbl 1146.65050
Vijesh, V. Antony; Subrahmanyam, P. V.
2008
Existence of continuous solutions for an iterative functional series equation with variable coefficients. Zbl 1207.39028
Murugan, Veerapazham; Subrahmanyam, Papagudi Venkatachalam
2009
Remarks on the nonlinear eigenvalue problem $$Tx=\lambda Sx$$. Zbl 0653.47041
1988
A note on contractors in random normed spaces. Zbl 0847.46048
Chitra, A.; Subrahmanyam, P. V.
1995
An existence theorem for a fuzzy functional integral equation. Zbl 0888.45006
Subrahmanyam, P. V.; Sudarsanam, S. K.
1997
The maximal k-free divisor of m which is prime to n-1. Zbl 0361.10042
Suryanarayana, D.; Subrahmanyam, P.
1977
A two point Newton-type method and its application. Zbl 1124.47042
Vijesh, V. Antony; Subrahmanyam, P. V.
2006
Directional contractors and fixed points of multivalued mappings. Zbl 0539.47041
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1983
Common coincidences and fixed points. Zbl 0573.54037
1984
Elementary fixed point theorems. Zbl 1412.54001
Subrahmanyam, P. V.
2018
Erratum to: “Special solutions of a general class of iterative functional equations”. Zbl 1193.39012
Murugan, Veerapazham; Subrahmanyam, Papagudi Venkatachalam
2008
Elementary fixed point theorems. Zbl 1412.54001
Subrahmanyam, P. V.
2018
Existence of continuous solutions for an iterative functional series equation with variable coefficients. Zbl 1207.39028
Murugan, Veerapazham; Subrahmanyam, Papagudi Venkatachalam
2009
A Newton-like method and its application. Zbl 1136.65058
Vijesh, V. Antony; Subrahmanyam, P. V.
2008
A variant of Newton’s method and its application. Zbl 1146.65050
Vijesh, V. Antony; Subrahmanyam, P. V.
2008
Erratum to: “Special solutions of a general class of iterative functional equations”. Zbl 1193.39012
Murugan, Veerapazham; Subrahmanyam, Papagudi Venkatachalam
2008
Special solutions of a general iterative functional equation. Zbl 1113.39028
Murugan, Veerapazham; Subrahmanyam, Papagudi Venkatachalam
2006
A Newton-type method and its application. Zbl 1123.47049
Vijesh, V. Antony; Subrahmanyam, P. V.
2006
A two point Newton-type method and its application. Zbl 1124.47042
Vijesh, V. Antony; Subrahmanyam, P. V.
2006
Existence of solutions for equations involving iterated functional series. Zbl 1101.39007
Murugan, V.; Subrahmanyam, P. V.
2005
Cesàro summability for fuzzy real numbers. Zbl 0947.40005
Subrahmanyam, P. V.
1999
An existence theorem for a fuzzy functional integral equation. Zbl 0888.45006
Subrahmanyam, P. V.; Sudarsanam, S. K.
1997
A note on fuzzy Volterra integral equations. Zbl 0884.45002
Subrahmanyam, P. V.; Sudarsanam, S. K.
1996
A common fixed point theorem in fuzzy metric spaces. Zbl 0867.54017
Subrahmanyam, P. V.
1995
A note on contractors in random normed spaces. Zbl 0847.46048
Chitra, A.; Subrahmanyam, P. V.
1995
On some fuzzy functional equations. Zbl 0845.39009
Subrahmanyam, P. V.; Sudarsanam, S. K.
1994
Some fixed point theorems. Zbl 0772.54041
Subrahmanyam, P. V.; Reilly, I. L.
1992
Common fixed points in closed balls. Zbl 0656.54031
1988
Remarks on the nonlinear eigenvalue problem $$Tx=\lambda Sx$$. Zbl 0653.47041
1988
Fuzzy sets and fixed points. Zbl 0628.47035
Chitra, A.; Subrahmanyam, P. V.
1987
Remarks on a nonlinear complementarity problem. Zbl 0595.90089
Chitra, A.; Subrahmanyam, P. V.
1987
A note on the solution of a class of functional equations. Zbl 0604.39006
1986
Common coincidences and fixed points. Zbl 0573.54037
1984
Directional contractors and fixed points of multivalued mappings. Zbl 0539.47041
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1983
Cauchy sequences in quasi-pseudo-metric spaces. Zbl 0472.54018
Reilly, I. L.; Subrahmanyam, P. V.; Vamanamurthy, M. K.
1982
Altman’s contractors and fixed points of multivalued mappings. Zbl 0528.47043
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1982
Extensions of Krasnoselskii’s and Matkowski’s fixed point theorems. Zbl 0503.47049
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1981
The maximal k-full divisor of an integer. Zbl 0451.10026
Suryanarayana, D.; Subrahmanyam, P.
1981
Altman’s contractors and Matkowski’s fixed point theorem. Zbl 0488.47030
Balakrishna Reddy, K.; Subrahmanyam, P. V.
1981
An operator equation in a Tychonoff space. Zbl 0442.54029
Subrahmanyam, P. V.
1980
An application of a fixed point theorem to best approximation. Zbl 0349.41013
Subrahmanyam, P. V.
1977
On sums involving the integer part of $$x$$. Zbl 0487.10003
Subrahmanyam, P.
1977
The maximal k-free divisor of m which is prime to n-1. Zbl 0361.10042
Suryanarayana, D.; Subrahmanyam, P.
1977
Completeness and fixed-points. Zbl 0312.54048
Subrahmanyam, P. V.
1975
Remarks on some fixed-point theorems related to Banach’s contraction principle. Zbl 0294.54033
Subrahmanyam, P. V.
1974
all top 5

#### Cited by 353 Authors

 23 Romaguera Bonilla, Salvador 15 Abbas, Mujahid 13 Hussain, Nawab 13 Suzuki, Tomonari 11 de la Sen, Manuel 11 Valero, Oscar 10 Shahzad, Naseer 8 Agarwal, Ravi P. 8 Vetro, Calogero 8 Włodarczyk, Kazimierz 7 Ali, Basit 7 Altun, Ishak 7 Cobzaş, Ştefan 7 Plebaniak, Robert 5 Aydi, Hassen Mohamed 5 Chauhan, Sunny 5 Cho, Yeol Je 5 Choudhury, Binayak Samadder 5 Imdad, Mohammad 5 Karapınar, Erdal 5 Pathak, Hemant Kumar 5 Subrahmanyam, Papagudi Venkatachalam 4 Azam, Akbar 4 Gregori, Valentín 4 Liu, Zeqing 4 Rodríguez-López, Jesús 4 Sánchez-Pérez, Enrique Alfonso 4 Shatanawi, Wasfi A. 4 Tirado, Pedro 4 Ziari, Shokrollah 3 Bag, Tarapada 3 Bica, Alexandru Mihai 3 Bisht, Ravindra Kishor 3 Çanak, İbrahim 3 Chang, Shih-Sen 3 Dağ, Hacer 3 Ezzati, Reza 3 García-Raffi, Luis M. 3 Górnicki, Jarosław 3 Gupta, Vishal 3 Jungck, Gerald F. 3 Khan, Abdul Rahim 3 Kumam, Poom 3 Kumar, Sanjay V. 3 Kumari, Panda Sumati 3 Künzi, Hans-Peter A. 3 Li, Lin 3 Mabula, M. D. 3 Miñana, Juan-José 3 Pant, Rajendra Prasad 3 Panthi, Dinesh 3 Radenovic, Stojan 3 Saleem, Naeem 3 Şimşek, Hakan 3 Singh, Shyam Lal 3 Sintunavarat, Wutiphol 3 Song, Wei 3 Talo, Özer 3 Ume, Jeong Sheok 2 Al-Mezel, Saleh Abdullah Rasheed 2 Al-Thagafi, M. A. 2 Alegre, Carmen 2 Ameer, Eskandar 2 Balakrishna Reddy, K. 2 Balasubramaniam, Pagavathigounder 2 Berinde, Vasile 2 Chandok, Sumit 2 Das, Paritosh Chandra 2 Dutta, Hemen 2 Gogoi, Jyotishmaan 2 Gong, Xiaobing 2 Gopal, Dhananjay 2 Goswami, Nilakshi 2 Haokip, Nehjamang 2 İlkhan, Merve 2 Kamal, Raj 2 Kang, Shin Min 2 Kara, Emrah Evren 2 Khan, Muhammad Alamgir 2 Kikkawa, Misako 2 Liu, Xiaolan 2 Marín, Josefa 2 Markin, Jack T. 2 Mennucci, Andrea Carlo Giuseppe 2 Miheţ, Dorel 2 Muralisankar, Subramanian 2 Nakanishi, Masato 2 Narang, Tulsi Das 2 Nazir, Talat 2 Ok, Efe A. 2 O’Regan, Donal 2 Păcurar, Mădălina 2 Pant, Abhijit 2 Petruşel, Adrian 2 Qiu, Dong 2 Rakočević, Vladimir 2 Rashid, Maliha 2 Raza, Zahid 2 Reilly, Ivan Leon 2 Roldán-López-de-Hierro, Antonio-Francisco ...and 253 more Authors
all top 5

#### Cited in 103 Serials

 45 Fixed Point Theory and Applications 14 Journal of Mathematical Analysis and Applications 13 Topology and its Applications 13 Abstract and Applied Analysis 10 Journal of Fixed Point Theory and Applications 9 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 8 Fuzzy Sets and Systems 8 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 7 Soft Computing 6 Numerical Functional Analysis and Optimization 6 Applied Mathematics Letters 5 Applied Mathematics and Computation 5 Acta Mathematica Hungarica 5 The Journal of Analysis 5 Journal of Nonlinear Science and Applications 4 Information Sciences 4 Journal of Applied Mathematics 4 Journal of Intelligent and Fuzzy Systems 4 Advances in Difference Equations 3 Demonstratio Mathematica 3 Journal of Computational and Applied Mathematics 3 Monatshefte für Mathematik 3 Vietnam Journal of Mathematics 3 Journal of Inequalities and Applications 3 Discrete Dynamics in Nature and Society 3 Proyecciones 3 Mathematical Sciences 3 Journal of Mathematics 3 Journal of Function Spaces 3 Nonlinear Analysis. Theory, Methods & Applications 2 Mathematical Notes 2 Chaos, Solitons and Fractals 2 Journal of Approximation Theory 2 Journal of Optimization Theory and Applications 2 Mathematica Slovaca 2 Proceedings of the American Mathematical Society 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Results in Mathematics 2 Optimization 2 Mathematical and Computer Modelling 2 MSCS. Mathematical Structures in Computer Science 2 Aequationes Mathematicae 2 Computational and Applied Mathematics 2 Acta Mathematica Sinica. English Series 2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 2 Analysis in Theory and Applications 2 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 2 Advances in Fuzzy Systems 2 Journal of Applied Analysis and Computation 2 Journal of Operators 2 Open Mathematics 1 Applicable Analysis 1 Computers & Mathematics with Applications 1 Mathematical Methods in the Applied Sciences 1 Applied Mathematics and Optimization 1 Czechoslovak Mathematical Journal 1 Fasciculi Mathematici 1 International Journal of Mathematics and Mathematical Sciences 1 The Journal of the Indian Mathematical Society. New Series 1 Journal of Soviet Mathematics 1 Kybernetika 1 Mathematische Nachrichten 1 Mathematics of Operations Research 1 Quaestiones Mathematicae 1 Applied Mathematics and Mechanics. (English Edition) 1 Journal of Applied Mathematics and Stochastic Analysis 1 Annals of Operations Research 1 Numerical Algorithms 1 International Journal of Computer Mathematics 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Set-Valued Analysis 1 Applied Mathematics. Series B (English Edition) 1 Journal of Mathematical Sciences (New York) 1 Journal of the Egyptian Mathematical Society 1 Georgian Mathematical Journal 1 Izvestiya: Mathematics 1 Mathematical Problems in Engineering 1 Open Systems & Information Dynamics 1 Communications in Nonlinear Science and Numerical Simulation 1 Journal of Applied Mathematics and Computing 1 Central European Journal of Mathematics 1 Fixed Point Theory 1 Boletim da Sociedade Paranaense de Matemática. Terceira Série 1 Mediterranean Journal of Mathematics 1 Iranian Journal of Fuzzy Systems 1 Applications and Applied Mathematics 1 European Journal of Pure and Applied Mathematics 1 Nonlinear Analysis. Hybrid Systems 1 Asian-European Journal of Mathematics 1 Bulletin of Mathematical Analysis and Applications 1 Science China. Mathematics 1 Applied General Topology 1 Symmetry 1 Journal of Mathematics and Computer Science. JMCS 1 Afrika Matematika 1 Analysis and Geometry in Metric Spaces 1 International Journal of Analysis 1 Mathematics 1 Sahand Communications in Mathematical Analysis 1 Cogent Mathematics ...and 3 more Serials
all top 5

#### Cited in 29 Fields

 211 General topology (54-XX) 123 Operator theory (47-XX) 25 Approximations and expansions (41-XX) 23 Real functions (26-XX) 21 Difference and functional equations (39-XX) 18 Functional analysis (46-XX) 15 Sequences, series, summability (40-XX) 14 Calculus of variations and optimal control; optimization (49-XX) 13 Computer science (68-XX) 11 Integral equations (45-XX) 11 Numerical analysis (65-XX) 10 Operations research, mathematical programming (90-XX) 9 Ordinary differential equations (34-XX) 8 Global analysis, analysis on manifolds (58-XX) 7 Dynamical systems and ergodic theory (37-XX) 5 Mathematical logic and foundations (03-XX) 4 Measure and integration (28-XX) 3 Order, lattices, ordered algebraic structures (06-XX) 3 Probability theory and stochastic processes (60-XX) 2 Quantum theory (81-XX) 2 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Systems theory; control (93-XX) 1 Combinatorics (05-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Differential geometry (53-XX) 1 Algebraic topology (55-XX) 1 Mechanics of particles and systems (70-XX) 1 Mechanics of deformable solids (74-XX) 1 Biology and other natural sciences (92-XX)