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Koufogiorgos, Themis

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Author ID: koufogiorgos.themis Recent zbMATH articles by "Koufogiorgos, Themis"
Published as: Koufogiorgos, Themis; Koufogiorgos, Th.; Koufogiorgos, T.; Koufogiorgos, Themistoklis; Koufogiorgios, Themis; Koufigiorgos, Themis
Documents Indexed: 45 Publications since 1978
Reviewing Activity: 33 Reviews
Co-Authors: 11 Co-Authors with 35 Joint Publications
154 Co-Co-Authors

Publications by Year

Citations contained in zbMATH Open

31 Publications have been cited 409 times in 266 Documents Cited by Year
Contact metric manifolds satisfying a nullity condition. Zbl 0837.53038
Blair, David E.; Koufogiorgos, Themis; Papantoniou, Basil J.
161
1995
A classification of 3-dimensional contact metric manifolds with \(Q\phi=\phi Q\). Zbl 0716.53041
Blair, David E.; Koufogiorgos, Themis; Sharma, Ramesh
42
1990
On the existence of a new class of contact metric manifolds. Zbl 0978.53086
Koufogiorgos, Themis; Tsichlias, Charalambos
30
2000
The harmonicity of the Reeb vector field on contact metric 3-manifolds. Zbl 1154.53052
Koufogiorgos, Themis; Markellos, Michael; Papantoniou, Vassilis J.
20
2008
Helicoidal surfaces with prescribed mean or Gaussian curvature. Zbl 0943.53004
Baikoussis, Christos; Koufogiorgos, Themis
17
1998
When is the tangent sphere bundle conformally flat? Zbl 0815.53045
Blair, David E.; Koufogiorgos, Themis
16
1994
Contact Riemannian manifolds with constant \(\varphi\)-sectional curvature. Zbl 0882.53032
Koufogiorgos, Themis
16
1997
Ruled surfaces with vanishing second Gaussian curvature. Zbl 0765.53003
Blair, D. E.; Koufogiorgos, Th.
11
1992
A characteristic property of the sphere. Zbl 0379.53030
Koufogiorgos, Themis; Hasanis, Thomas
9
1978
Conformally flat contact metric manifolds. Zbl 1025.53021
Ghosh, Amalendu; Koufogiorgos, Themis; Sharma, Ramesh
8
2001
On a class of contact Riemannian 3-manifolds. Zbl 0833.53032
Koufogiorgos, Themis
8
1995
Integral submanifolds of Sasakian space forms \(M^ 7(k)\). Zbl 0831.53029
Baikouissis, Christos; Blair, David E.; Koufogiorgos, Themis
7
1995
On the inner curvature of the second fundamental form of helicoidal surfaces. Zbl 0870.53004
Baikoussis, C.; Koufogiorgos, T.
7
1997
Generalized \((\kappa, \mu)\)-contact metric manifolds with \(\| \operatorname{grad} \kappa\| = \) constant. Zbl 1058.53039
Koufogiorgos, Themis; Tsichlias, Charalambos
7
2003
The diameter of an immersed Riemannian manifold with bounded mean curvature. Zbl 0468.53044
Koufogiorgos, Th.; Baikoussis, Ch.
6
1981
Contact strongly pseudo-convex integrable CR metrics as critical points. Zbl 0880.53027
Koufogiorgos, Themis
6
1997
Strongly locally \(\varphi \)-symmetric contact metric manifolds. Zbl 1215.53041
Koufogiorgos, Th.; Stamatiou, G.
5
2011
Contact metric manifolds. Zbl 0810.53023
Koufogiorgos, Themis
5
1993
Finite type immersions of flat tori into Euclidean spaces. Zbl 0844.53002
Baikoussis, Christos; Defever, Filip; Koufogiorgos, Themis; Verstraelen, Leopold
4
1995
Three dimensional contact metric manifolds with vanishing Jacobi operator. Zbl 1188.53092
Koufogiorgos, T.; Tsichlias, C.
4
2009
On a type of contact manifolds. Zbl 0780.53036
Baikoussis, Christos; Koufogiorgios, Themis
4
1993
Locally symmetric and Ricci-symmetric contact metric manifolds. Zbl 0702.53024
Sharma, Ramesh; Koufogiorgos, Themis
3
1991
Isometric immersions of complete Riemannian manifolds into euclidean space. Zbl 0466.53003
Baikoussis, Christos; Koufogiorgos, Themis
3
1980
Generalized \((\kappa,\mu)\)-contact metric manifolds with \(\xi\mu=0\). Zbl 1158.53020
Koufigiorgos, Themis; Tsichlias, Charalambos
2
2008
Finite type surfaces in Euclidean spaces. Zbl 0837.53002
Baikoussis, Christos; Defever, Filip; Koufogiorgos, Themis; Verstraelen, Leopold
2
1993
On convex hypersurfaces in a space form. Zbl 0672.53052
Baikoussis, C.; Koufogiorgos, T.
1
1988
Harmonic maps into a cone. Zbl 0499.53038
Baikoussis, Christos; Koufogiorgos, Themistoklis
1
1983
Some characteristic properties of the sphere related to the curvature of the second fundamental form. Zbl 0415.53004
Koufogiorgos, Themis
1
1979
A characterization of a minimal hypersurface in \(\mathbb{R}^{n+1}\). Zbl 0436.53007
Koufogiorgos, Themis; Hasanis, Thomas
1
1979
Pairs of metrics and Codazzi tensors on manifolds. Zbl 0807.53031
Baikoussis, C.; Koufogiorgos, T.
1
1990
Tangent sphere bundles with constant trace of the Jacobi operator. Zbl 1269.53032
Koufogiorgos, T.; Markellos, M.; Tsichlias, C.
1
2012
Tangent sphere bundles with constant trace of the Jacobi operator. Zbl 1269.53032
Koufogiorgos, T.; Markellos, M.; Tsichlias, C.
1
2012
Strongly locally \(\varphi \)-symmetric contact metric manifolds. Zbl 1215.53041
Koufogiorgos, Th.; Stamatiou, G.
5
2011
Three dimensional contact metric manifolds with vanishing Jacobi operator. Zbl 1188.53092
Koufogiorgos, T.; Tsichlias, C.
4
2009
The harmonicity of the Reeb vector field on contact metric 3-manifolds. Zbl 1154.53052
Koufogiorgos, Themis; Markellos, Michael; Papantoniou, Vassilis J.
20
2008
Generalized \((\kappa,\mu)\)-contact metric manifolds with \(\xi\mu=0\). Zbl 1158.53020
Koufigiorgos, Themis; Tsichlias, Charalambos
2
2008
Generalized \((\kappa, \mu)\)-contact metric manifolds with \(\| \operatorname{grad} \kappa\| = \) constant. Zbl 1058.53039
Koufogiorgos, Themis; Tsichlias, Charalambos
7
2003
Conformally flat contact metric manifolds. Zbl 1025.53021
Ghosh, Amalendu; Koufogiorgos, Themis; Sharma, Ramesh
8
2001
On the existence of a new class of contact metric manifolds. Zbl 0978.53086
Koufogiorgos, Themis; Tsichlias, Charalambos
30
2000
Helicoidal surfaces with prescribed mean or Gaussian curvature. Zbl 0943.53004
Baikoussis, Christos; Koufogiorgos, Themis
17
1998
Contact Riemannian manifolds with constant \(\varphi\)-sectional curvature. Zbl 0882.53032
Koufogiorgos, Themis
16
1997
On the inner curvature of the second fundamental form of helicoidal surfaces. Zbl 0870.53004
Baikoussis, C.; Koufogiorgos, T.
7
1997
Contact strongly pseudo-convex integrable CR metrics as critical points. Zbl 0880.53027
Koufogiorgos, Themis
6
1997
Contact metric manifolds satisfying a nullity condition. Zbl 0837.53038
Blair, David E.; Koufogiorgos, Themis; Papantoniou, Basil J.
161
1995
On a class of contact Riemannian 3-manifolds. Zbl 0833.53032
Koufogiorgos, Themis
8
1995
Integral submanifolds of Sasakian space forms \(M^ 7(k)\). Zbl 0831.53029
Baikouissis, Christos; Blair, David E.; Koufogiorgos, Themis
7
1995
Finite type immersions of flat tori into Euclidean spaces. Zbl 0844.53002
Baikoussis, Christos; Defever, Filip; Koufogiorgos, Themis; Verstraelen, Leopold
4
1995
When is the tangent sphere bundle conformally flat? Zbl 0815.53045
Blair, David E.; Koufogiorgos, Themis
16
1994
Contact metric manifolds. Zbl 0810.53023
Koufogiorgos, Themis
5
1993
On a type of contact manifolds. Zbl 0780.53036
Baikoussis, Christos; Koufogiorgios, Themis
4
1993
Finite type surfaces in Euclidean spaces. Zbl 0837.53002
Baikoussis, Christos; Defever, Filip; Koufogiorgos, Themis; Verstraelen, Leopold
2
1993
Ruled surfaces with vanishing second Gaussian curvature. Zbl 0765.53003
Blair, D. E.; Koufogiorgos, Th.
11
1992
Locally symmetric and Ricci-symmetric contact metric manifolds. Zbl 0702.53024
Sharma, Ramesh; Koufogiorgos, Themis
3
1991
A classification of 3-dimensional contact metric manifolds with \(Q\phi=\phi Q\). Zbl 0716.53041
Blair, David E.; Koufogiorgos, Themis; Sharma, Ramesh
42
1990
Pairs of metrics and Codazzi tensors on manifolds. Zbl 0807.53031
Baikoussis, C.; Koufogiorgos, T.
1
1990
On convex hypersurfaces in a space form. Zbl 0672.53052
Baikoussis, C.; Koufogiorgos, T.
1
1988
Harmonic maps into a cone. Zbl 0499.53038
Baikoussis, Christos; Koufogiorgos, Themistoklis
1
1983
The diameter of an immersed Riemannian manifold with bounded mean curvature. Zbl 0468.53044
Koufogiorgos, Th.; Baikoussis, Ch.
6
1981
Isometric immersions of complete Riemannian manifolds into euclidean space. Zbl 0466.53003
Baikoussis, Christos; Koufogiorgos, Themis
3
1980
Some characteristic properties of the sphere related to the curvature of the second fundamental form. Zbl 0415.53004
Koufogiorgos, Themis
1
1979
A characterization of a minimal hypersurface in \(\mathbb{R}^{n+1}\). Zbl 0436.53007
Koufogiorgos, Themis; Hasanis, Thomas
1
1979
A characteristic property of the sphere. Zbl 0379.53030
Koufogiorgos, Themis; Hasanis, Thomas
9
1978
all top 5

Cited by 218 Authors

20 Ghosh, Amalendu
18 Cho, Jong Taek
17 De, Uday Chand
14 Koufogiorgos, Themis
13 Majhi, Pradip
13 Perrone, Domenico
13 Sharma, Ramesh
9 Calvaruso, Giovanni
9 Martín-Molina, Verónica
9 Yoon, Dae Won
8 Cappelletti Montano, Beniamino
8 Venkatesha, Venkatesha
7 Blair, David E.
7 Ghosh, Gopal Chandra
7 Lee, Jaewon
7 Murathan, Cengizhan
6 Boeckx, Eric
6 Carriazo, Alfonso
6 Kim, Youngho
6 Lotta, Antonio
5 Erken, İrem Küpeli
5 Patra, Dhriti Sundar
5 Tripathi, Mukut Mani
4 Gouli-Andreou, Florence
4 Kar, Debabrata
4 Kim, Dongsoo S.
4 Lee, Chulwoo
4 Mandal, Krishanu
4 Naik, Devaraja Mallesha
3 Ali, Ahmad Tawfik
3 Atçeken, Mehmet
3 Baikoussis, Christos
3 Chen, Xiaomin
3 Dey, Dibakar
3 Dileo, Giulia
3 Fetcu, Dorel
3 Ghosh, Sujit Kumar
3 Hu, Zejun
3 Kishor, Shyam
3 Kumara, Huchchappa Aruna
3 Liu, Ximin
3 Nagaraja, Halammanavar Gangadharappa
3 Oniciuc, Cezar
3 Roth, Julien
3 Sorour, Adel H.
3 Tsichlias, Charalambos
3 Wang, Yaning
3 Xenos, Philippos J.
2 Abbassi, Mohamed Tahar Kadaoui
2 Abdel Aziz, Hossam S.
2 Aledo, Juan Ángel
2 Alkhaldi, Ali H.
2 Arslan, Kadri
2 Ayar, Gülhan
2 Bagewadi, Channabasappa Shantappa
2 Balkan, Yavuz Selim
2 Biswas, Nirmal
2 Coghlan, Leslie
2 De Uday, Chand
2 Di Terlizzi, Luigia
2 Gupta, Ram Shankar
2 Haesen, Stefan
2 Hashinaga, Takahiro
2 Ingalahalli, Gurupadavva
2 Inoguchi, Jun-ichi
2 Itokawa, Yoe
2 Karaca, Fatma
2 Khatri, Mohan
2 Kim, Jeong-Sik
2 Kubo, Akira
2 Kühnel, Wolfgang
2 Markellos, Michael
2 Mirji, Kakasab
2 Mondal, Abul Kalam
2 Munteanu, Marian-Ioan
2 Ozgur, Cihan
2 Papantoniou, Basil J.
2 Prakasha, Doddabhadrappla Gowda
2 Rani, Savita
2 Romero, Alfonso
2 Rovenskiĭ, Vladimir Yuzefovich
2 Sarkar, Avijit
2 Siddesha, Mallannara Siddalingappa
2 Singh, Jay Prakash
2 Siraj-Uddin
2 Suh, Young Jin
2 Taketomi, Yuichiro
2 Tamaru, Hiroshi
2 Vanhecke, Lieven
2 Verma, Pushpendra
2 Yoldaş, Halil İbrahim
2 Zhao, Peibiao
1 Abdel-Aziz, Hossam Eldeen S.
1 Aiyama, Reiko
1 Akyigit, Mahmut
1 Alegre, Pablo
1 Aminov, Yurii Akhmetovich
1 Asif, Ahmad
1 Aslam, Mohd
1 Azak, Ayşe Zeynep
...and 118 more Authors
all top 5

Cited in 90 Serials

15 Journal of Geometry
11 Results in Mathematics
11 Differential Geometry and its Applications
11 International Journal of Geometric Methods in Modern Physics
10 Journal of Geometry and Physics
9 Communications of the Korean Mathematical Society
8 Bulletin of the Australian Mathematical Society
8 Mediterranean Journal of Mathematics
6 Filomat
6 Palestine Journal of Mathematics
5 Israel Journal of Mathematics
5 Beiträge zur Algebra und Geometrie
5 Annals of Global Analysis and Geometry
5 Lobachevskii Journal of Mathematics
5 DGDS. Differential Geometry – Dynamical Systems
5 ISRN Geometry
4 Archiv der Mathematik
4 Kyungpook Mathematical Journal
4 Mathematische Zeitschrift
4 Monatshefte für Mathematik
4 Proceedings of the American Mathematical Society
4 Facta Universitatis. Series Mathematics and Informatics
4 International Journal of Mathematics
4 International Electronic Journal of Geometry
4 Afrika Matematika
3 Rocky Mountain Journal of Mathematics
3 Annales Polonici Mathematici
3 Glasgow Mathematical Journal
3 Tôhoku Mathematical Journal. Second Series
3 The Journal of Geometric Analysis
3 Balkan Journal of Geometry and its Applications (BJGA)
3 Honam Mathematical Journal
3 Journal of the Australian Mathematical Society
3 Complex Manifolds
3 Korean Journal of Mathematics
2 Journal of Mathematical Analysis and Applications
2 Periodica Mathematica Hungarica
2 Annali di Matematica Pura ed Applicata. Serie Quarta
2 Geometriae Dedicata
2 Journal of Soviet Mathematics
2 Kodai Mathematical Journal
2 Mathematische Nachrichten
2 Acta Mathematica Hungarica
2 Analele Științifice ale Universității Al. I. Cuza din Iași. Serie Nouă. Matematică
2 Journal of Mathematical Sciences (New York)
2 Journal of the Egyptian Mathematical Society
2 Central European Journal of Mathematics
2 Thai Journal of Mathematics
2 Boletim da Sociedade Paranaense de Matemática. Terceira Série
2 Cubo
2 Asian-European Journal of Mathematics
2 Communications in Mathematics
2 AIMS Mathematics
1 Reviews in Mathematical Physics
1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
1 Anais da Academia Brasileira de Ciências
1 Czechoslovak Mathematical Journal
1 Hiroshima Mathematical Journal
1 Illinois Journal of Mathematics
1 International Journal of Mathematics and Mathematical Sciences
1 Journal of the Korean Mathematical Society
1 Matematički Vesnik
1 Michigan Mathematical Journal
1 Pacific Journal of Mathematics
1 Quaestiones Mathematicae
1 Rendiconti del Circolo Matemàtico di Palermo. Serie II
1 Tamkang Journal of Mathematics
1 Tokyo Journal of Mathematics
1 Topology and its Applications
1 Bulletin of the Korean Mathematical Society
1 Indagationes Mathematicae. New Series
1 Annales de la Faculté des Sciences de Toulouse. Mathématiques. Série VI
1 Georgian Mathematical Journal
1 Arab Journal of Mathematical Sciences
1 Mathematical Problems in Engineering
1 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics
1 Acta et Commentationes Universitatis Tartuensis de Mathematica
1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
1 Hacettepe Journal of Mathematics and Statistics
1 Frontiers of Mathematics in China
1 Tbilisi Mathematical Journal
1 Symmetry
1 Journal of Mathematical Extension
1 Arabian Journal of Mathematics
1 Axioms
1 Carpathian Mathematical Publications
1 Journal of Mathematics
1 Mathematics
1 Open Mathematics

Citations by Year