×

zbMATH — the first resource for mathematics

Wittstock, Gerd

Compute Distance To:
Author ID: wittstock.gerd Recent zbMATH articles by "Wittstock, Gerd"
Published as: Wittstock, G.; Wittstock, Gerd
Documents Indexed: 22 Publications since 1964

Publications by Year

Citations contained in zbMATH

20 Publications have been cited 163 times in 130 Documents Cited by Year
Ein operatorwertiger Hahn-Banach Satz. Zbl 0495.46005
Wittstock, Gerd
46
1981
Ordered normed tensor products. Zbl 0329.46007
Wittstock, Gerd
16
1974
Eine Bemerkung über Tensorprodukte von Banachverbänden. Zbl 0311.46002
Wittstock, Gerd
13
1974
A bicommutant theorem for completely bounded module homomorphisms. Zbl 0943.46042
Hofmeier, Helmut; Wittstock, Gerd
11
1997
On matrix order and convexity. Zbl 0589.46003
Wittstock, Gerd
10
1984
Über Zerlegungsmajoranten indefiniter Metriken. Zbl 0137.09705
Wittstock, G.
9
1966
Extension of completely bounded \(C^*\)-module homomorphisms. Zbl 0535.46003
Wittstock, G.
8
1984
Characterization of matrix-ordered standard forms of W*-algebras. Zbl 0514.46039
Schmitt, Lothar M.; Wittstock, Gerd
8
1982
Choquetsimplexe und nukleare Räume. (Choquet simplexes and nuclear spaces). Zbl 0228.46003
Wittstock, Gerd
7
1972
Kernel representation of completely positive Hilbert-Schmidt operators on standard forms. Zbl 0477.46051
Schmitt, Lothar M.; Wittstock, Gerd
6
1982
Über invariante Teilräume zu positiven Transformationen in Räumen mit indefiniter Metrik. Zbl 0149.34903
Wittstock, G.
5
1967
Über Majoranten indefiniter Bilinearformen. Zbl 0149.08802
Wittstock, G.
5
1966
Über koerzive indefinite Metriken. Zbl 0133.06602
Wittstock, G.
4
1964
Superconvex sets and \(\sigma{}\)-convex-sets, and the embedding of convex and superconvex spaces. Zbl 0849.46006
König, Heinz; Wittstock, Gerd
3
1990
The space of completely bounded module homomorphisms. Zbl 0666.46054
May, G.; Neuhardt, E.; Wittstock, G.
3
1989
Tensorprodukte kompakter konvexer Mengen. Zbl 0197.38406
Behrends, E.; Wittstock, G.
3
1970
Injectivity of the module tensor product of semi-Ruan modules. Zbl 1240.46082
Wittstock, Gerd
2
2011
Tensorprodukte und Simplexe. Zbl 0197.09401
Behrends, Ehrhard; Wittstock, Gerd
2
1970
Matrix order and W*-algebras in the operational approach to statistical physical systems. Zbl 0451.46046
Wittstock, Gerd
1
1980
Über indefinit symmetrisierbare lineare Abbildungen. Zbl 0185.37903
Wittstock, G.
1
1969
Injectivity of the module tensor product of semi-Ruan modules. Zbl 1240.46082
Wittstock, Gerd
2
2011
A bicommutant theorem for completely bounded module homomorphisms. Zbl 0943.46042
Hofmeier, Helmut; Wittstock, Gerd
11
1997
Superconvex sets and \(\sigma{}\)-convex-sets, and the embedding of convex and superconvex spaces. Zbl 0849.46006
König, Heinz; Wittstock, Gerd
3
1990
The space of completely bounded module homomorphisms. Zbl 0666.46054
May, G.; Neuhardt, E.; Wittstock, G.
3
1989
On matrix order and convexity. Zbl 0589.46003
Wittstock, Gerd
10
1984
Extension of completely bounded \(C^*\)-module homomorphisms. Zbl 0535.46003
Wittstock, G.
8
1984
Characterization of matrix-ordered standard forms of W*-algebras. Zbl 0514.46039
Schmitt, Lothar M.; Wittstock, Gerd
8
1982
Kernel representation of completely positive Hilbert-Schmidt operators on standard forms. Zbl 0477.46051
Schmitt, Lothar M.; Wittstock, Gerd
6
1982
Ein operatorwertiger Hahn-Banach Satz. Zbl 0495.46005
Wittstock, Gerd
46
1981
Matrix order and W*-algebras in the operational approach to statistical physical systems. Zbl 0451.46046
Wittstock, Gerd
1
1980
Ordered normed tensor products. Zbl 0329.46007
Wittstock, Gerd
16
1974
Eine Bemerkung über Tensorprodukte von Banachverbänden. Zbl 0311.46002
Wittstock, Gerd
13
1974
Choquetsimplexe und nukleare Räume. (Choquet simplexes and nuclear spaces). Zbl 0228.46003
Wittstock, Gerd
7
1972
Tensorprodukte kompakter konvexer Mengen. Zbl 0197.38406
Behrends, E.; Wittstock, G.
3
1970
Tensorprodukte und Simplexe. Zbl 0197.09401
Behrends, Ehrhard; Wittstock, Gerd
2
1970
Über indefinit symmetrisierbare lineare Abbildungen. Zbl 0185.37903
Wittstock, G.
1
1969
Über invariante Teilräume zu positiven Transformationen in Räumen mit indefiniter Metrik. Zbl 0149.34903
Wittstock, G.
5
1967
Über Zerlegungsmajoranten indefiniter Metriken. Zbl 0137.09705
Wittstock, G.
9
1966
Über Majoranten indefiniter Bilinearformen. Zbl 0149.08802
Wittstock, G.
5
1966
Über koerzive indefinite Metriken. Zbl 0133.06602
Wittstock, G.
4
1964
all top 5

Cited by 131 Authors

9 Neufang, Matthias
8 Smith, Roger R.
7 Wittstock, Gerd
6 Ruan, Zhongjin
5 Paulsen, Vern Ival
5 Sinclair, Allan M.
4 Bu, Qingying
3 Amini, Massoud
3 Blecher, David P.
3 Christensen, Erik
3 Effros, Edward George
3 Jarchow, Hans
3 Kusraev, Anatoly Georgievich
3 Magajna, Bojan
3 Majewski, Wladyslaw Adam
3 Miura, Yasuhide
3 Schmitt, Lothar M.
3 Tomiyama, Jun
2 Azizov, Tomas Ya.
2 Bukhvalov, Alexander V.
2 Buskes, Gerard J. H. M.
2 Crann, Jason
2 Haagerup, Uffe Valentin
2 Hadwin, Donald W.
2 Helemskii, Alexander Ya.
2 Junge, Marius
2 Le Merdy, Christian
2 Lupini, Martino
2 Neuhardt, Erwin
2 Okayasu, Rui
2 Pisier, Gilles
2 Pumplün, Dieter
2 Sady, Fereshteh
2 Suen, Ching-Yun
2 Tomatsu, Reiji
2 Werner, Reinhard F.
2 Yousefi, Marzieh Shams
1 Abbati, Maria Cristina
1 Akemann, Charles A.
1 Anderson, Joel
1 Barnum, Howard
1 Bartels, Arthur C.
1 Behrends, Ehrhard
1 Bhat, B. V. Rajarama
1 Bluhm, Andreas
1 Bognár, János
1 Boyd, Christopher
1 Burgstaller, Bernhard
1 Caspers, Martijn
1 Christensen, Jens Peter Reus
1 Chu, Choho
1 Connor, Jason N.
1 Craddock, Michelle
1 Dickson, Liam
1 Dimant, Verónica
1 Dong, Zhe
1 Douglas, Christopher L.
1 Echterhoff, Siegfried
1 Fan, Ky
1 Fannes, Mark
1 Farenick, Douglas R.
1 Fernández-Unzueta, Maite
1 Filali, Mahmoud
1 Frank, Michael
1 Gejler, V. A.
1 Gilfeather, Frank L.
1 Hansen, Frank-Peter
1 Henriques, André G.
1 Hess, Peter O.
1 Iokhvidov, I. S.
1 Ji, Donghai
1 Kaufman, William E.
1 Khatskevich, Victor A.
1 Khudalov, V. T.
1 Labuschagne, Louis E.
1 Lai, Wei-Kai
1 Larson, David Royal
1 Li, Weihua
1 Mallick, Nirupama
1 Manià, Alessandro
1 Marciniak, Marcin
1 May, Gerhard
1 Mel’tser, M. M.
1 Meyer-Nieberg, Peter
1 Min, Kyung Chan
1 Muhly, Paul Scott
1 Na, Qiyuan
1 Nachtergaele, Bruno
1 Nechita, Ion
1 Nemesh, Norbert T.
1 Nikpey, Hamed
1 Nishiyama, Kiminao
1 Ortiz, Gerardo
1 Osaka, Hiroyuki
1 Pop, Florin
1 Popa, Nicolae
1 Popescu, Gelu
1 Power, Stephen Charles
1 Qian, Wenhua
1 Ramsay, Arlan B.
...and 31 more Authors
all top 5

Cited in 49 Serials

23 Journal of Functional Analysis
10 Mathematische Zeitschrift
7 Journal of Mathematical Analysis and Applications
7 Proceedings of the American Mathematical Society
6 Archiv der Mathematik
5 Integral Equations and Operator Theory
5 Mathematische Annalen
5 Positivity
4 Inventiones Mathematicae
4 Journal of Soviet Mathematics
4 Publications of the Research Institute for Mathematical Sciences, Kyoto University
4 Transactions of the American Mathematical Society
3 Mathematical Notes
3 Duke Mathematical Journal
3 International Journal of Mathematics
2 International Journal of Theoretical Physics
2 Functional Analysis and its Applications
2 Acta Mathematica Hungarica
1 Bulletin of the Australian Mathematical Society
1 Communications in Mathematical Physics
1 Indian Journal of Pure & Applied Mathematics
1 Journal of Statistical Physics
1 Linear and Multilinear Algebra
1 Mathematical Proceedings of the Cambridge Philosophical Society
1 Rocky Mountain Journal of Mathematics
1 Ukrainian Mathematical Journal
1 Advances in Mathematics
1 Annales de l’Institut Fourier
1 Annales de l’Institut Henri Poincaré. Nouvelle Série. Section A. Physique Théorique
1 Cahiers de Topologie et Géométrie Différentielle Catégoriques
1 Glasgow Mathematical Journal
1 Journal of Pure and Applied Algebra
1 Mathematische Nachrichten
1 Memoirs of the American Mathematical Society
1 Monatshefte für Mathematik
1 Pacific Journal of Mathematics
1 Proceedings of the Edinburgh Mathematical Society. Series II
1 Results in Mathematics
1 Siberian Mathematical Journal
1 Expositiones Mathematicae
1 Indagationes Mathematicae. New Series
1 Russian Journal of Mathematical Physics
1 Sbornik: Mathematics
1 Doklady Mathematics
1 Acta Mathematica Sinica. English Series
1 Comptes Rendus. Mathématique. Académie des Sciences, Paris
1 Eurasian Mathematical Journal
1 ISRN Geometry
1 SIAM Journal on Applied Algebra and Geometry

Citations by Year