SzőkefalviNagy, Béla 19131998
Overview
Works:  160 works in 771 publications in 9 languages and 7,843 library holdings 

Genres:  Conference papers and proceedings 
Roles:  Author, Editor, Honoree, Other, Creator 
Classifications:  QA320, 515.73 
Publication Timeline
.
Most widely held works about
Béla SzőkefalviNagy
 Problema SekefalʹviNadi︠a︡ v kombinatornoĭ geometrii by V. G Bolti︠a︡nskiĭ( Book )
Most widely held works by
Béla SzőkefalviNagy
Functional analysis by
Frigyes Riesz(
Book
)
193 editions published between 1952 and 2009 in 8 languages and held by 1,843 WorldCat member libraries worldwide
Classic exposition of modern theories of differentiation and integration and the principal problems and methods of handling integral equations and linear functionals and transformations. Topics include Lebesque and Stieltjes integrals, Hilbert and Banach spaces, selfadjunct transformations, spectral theories for linear transformations of general type, and more
193 editions published between 1952 and 2009 in 8 languages and held by 1,843 WorldCat member libraries worldwide
Classic exposition of modern theories of differentiation and integration and the principal problems and methods of handling integral equations and linear functionals and transformations. Topics include Lebesque and Stieltjes integrals, Hilbert and Banach spaces, selfadjunct transformations, spectral theories for linear transformations of general type, and more
Harmonic analysis of operators on Hilbert space by
Bla SzőkefalviNagy(
Book
)
69 editions published between 1967 and 2010 in 4 languages and held by 845 WorldCat member libraries worldwide
The existence of unitary dilations makes it possible to study arbitrary contractions on a Hilbert space using the tools of harmonic analysis. The first edition of this book was an account of the progress done in this direction in 195070. Since then, this work has influenced many other areas of mathematics, most notably interpolation theory and control theory. This second edition, in addition to revising and amending the original text, focuses on further developments of the theory. Specifically, the last two chapters of the book continue and complete the study of two operator classes: operators whose powers do not converge strongly to zero, and operators whose functional calculus (as introduced in Chapter III) is not injective. For both of these classes, a wealth of material on structure, classification and invariant subspaces is included in Chapters IX and X. Several chapters conclude with a sketch of other developments related with (and developing) the material of the first edition
69 editions published between 1967 and 2010 in 4 languages and held by 845 WorldCat member libraries worldwide
The existence of unitary dilations makes it possible to study arbitrary contractions on a Hilbert space using the tools of harmonic analysis. The first edition of this book was an account of the progress done in this direction in 195070. Since then, this work has influenced many other areas of mathematics, most notably interpolation theory and control theory. This second edition, in addition to revising and amending the original text, focuses on further developments of the theory. Specifically, the last two chapters of the book continue and complete the study of two operator classes: operators whose powers do not converge strongly to zero, and operators whose functional calculus (as introduced in Chapter III) is not injective. For both of these classes, a wealth of material on structure, classification and invariant subspaces is included in Chapters IX and X. Several chapters conclude with a sketch of other developments related with (and developing) the material of the first edition
Spektraldarstellung linearer Transformationen des Hilbertschen Raumes by
Bla SzőkefalviNagy(
Book
)
46 editions published between 1942 and 1969 in 5 languages and held by 538 WorldCat member libraries worldwide
46 editions published between 1942 and 1969 in 5 languages and held by 538 WorldCat member libraries worldwide
Introduction to real functions and orthogonal expansions by
Bla SzőkefalviNagy(
Book
)
41 editions published between 1953 and 2002 in 4 languages and held by 533 WorldCat member libraries worldwide
41 editions published between 1953 and 2002 in 4 languages and held by 533 WorldCat member libraries worldwide
Unitary dilations of Hilbert space operators and related topics by
Bla SzőkefalviNagy(
Book
)
15 editions published between 1971 and 1982 in English and held by 315 WorldCat member libraries worldwide
15 editions published between 1971 and 1982 in English and held by 315 WorldCat member libraries worldwide
Hilbert space operators and operator algebras by
Bla SzőkefalviNagy(
Book
)
26 editions published in 1972 in 3 languages and held by 293 WorldCat member libraries worldwide
26 editions published in 1972 in 3 languages and held by 293 WorldCat member libraries worldwide
Abstract spaces and approximation. Abstrakte Räume und Approximation. Proceedings of the conference held at the Mathematical
Research Institute at Oberwolfach, Black Forest, July 1827, 1968 by
Paul Leo Butzer(
Book
)
18 editions published between 1968 and 1969 in 3 languages and held by 263 WorldCat member libraries worldwide
18 editions published between 1968 and 1969 in 3 languages and held by 263 WorldCat member libraries worldwide
Linear operators and approximation. Proceedings of the Conference held at the Oberwolfach Mathematical Research Institute,
Black Forest, August 1422, 1971 by Conference on Linear Operators and Approximation(
Book
)
11 editions published in 1972 in 4 languages and held by 253 WorldCat member libraries worldwide
11 editions published in 1972 in 4 languages and held by 253 WorldCat member libraries worldwide
Linear spaces and approximation : proceedings of the conference held at the Oberwolfach Mathematical Research Institute, Black
Forest, August 2027, 1977 = Lineare Räume und Approximation : Abhandlungen zur Tagung im Mathematischen Forschungsinstitut
Oberwolfach, Schwarzwald, vom 20, bis 27. August 1977 by Conference on Linear Spaces and Approximation(
Book
)
10 editions published in 1978 in 3 languages and held by 217 WorldCat member libraries worldwide
The publication of Oberwolfach conference books was initiated by Birkhauser Publishers in 1964 with the proceedings of the conference 'On Approximation Theory', conducted by P. L. Butzer (Aachen) and J. Korevaar (Amsterdam). Since that auspicious beginning, others of the Oberwolfach proceedings have appeared in Birkhauser's ISNM series. The present volume is the fifth * edited at Aachen in collaboration with an external institution. It once again ad dresses itself to the most recent results on approximation and operator theory, and includes 47 of the 48 lectures presented at Oberwolfach, as well as five articles subsequently submitted by V. A. Baskakov (Moscow), H. Esser (Aachen), G. Lumer (Mons), E. L. Stark (Aachen) and P. M. Tamrazov (Kiev). In addition, there is a section devoted to new and unsolved problems, based upon two special problem sessions augmented by later communications from the participants. Corresponding to the nature of the conference, the aim of the organizers was to solicit both specialized and survey papers, ranging in the broad area of classical and functional analysis, from approximation and interpolation theory to Fourier and harmonic analysis, and to the theory of function spaces and operators. The papers were supplemented by lectures on fields represented for the first time in our series of Oberwolfach Conferences, so for example, complex function theory or probability and sampling theory
10 editions published in 1978 in 3 languages and held by 217 WorldCat member libraries worldwide
The publication of Oberwolfach conference books was initiated by Birkhauser Publishers in 1964 with the proceedings of the conference 'On Approximation Theory', conducted by P. L. Butzer (Aachen) and J. Korevaar (Amsterdam). Since that auspicious beginning, others of the Oberwolfach proceedings have appeared in Birkhauser's ISNM series. The present volume is the fifth * edited at Aachen in collaboration with an external institution. It once again ad dresses itself to the most recent results on approximation and operator theory, and includes 47 of the 48 lectures presented at Oberwolfach, as well as five articles subsequently submitted by V. A. Baskakov (Moscow), H. Esser (Aachen), G. Lumer (Mons), E. L. Stark (Aachen) and P. M. Tamrazov (Kiev). In addition, there is a section devoted to new and unsolved problems, based upon two special problem sessions augmented by later communications from the participants. Corresponding to the nature of the conference, the aim of the organizers was to solicit both specialized and survey papers, ranging in the broad area of classical and functional analysis, from approximation and interpolation theory to Fourier and harmonic analysis, and to the theory of function spaces and operators. The papers were supplemented by lectures on fields represented for the first time in our series of Oberwolfach Conferences, so for example, complex function theory or probability and sampling theory
Functional analysis and approximation : proceedings of the conference held at the Mathematical Research Institute at Oberwolfach,
Black Forest, August 916, 1980 by
P. L Butzer(
Book
)
11 editions published in 1981 in English and held by 213 WorldCat member libraries worldwide
These Proceedings form a record of the lectures presented at the interna tional Conference on Functional Analysis and Approximation held at the Ober wolfach Mathematical Research Institute, August 916, 1980. They include 33 of the 38 invited conference papers, as well as three papers subsequently submitted in writing. Further, there is a report devoted to new and unsolved problems, based on two special sessions of the conference. The present volume is the sixth Oberwolfach Conference in Birkhauser's ISNM series to be edited at Aachen *. It is once again devoted to more significant results obtained in the wide areas of approximation theory, harmonic analysis, functional analysis, and operator theory during the past three years. Many of the papers solicited not only outline fundamental advances in their fields but also focus on interconnections between the various research areas. The papers in the present volume have been grouped into nine chapters. Chapter I, on operator theory, deals with maps on positive semidefinite opera tors, spectral bounds of semigroup operators, evolution equations of diffusion type, the spectral theory of propagators, and generalized inverses. Chapter II, on functional analysis, contains papers on modular approximation, interpolation spaces, and unconditional bases
11 editions published in 1981 in English and held by 213 WorldCat member libraries worldwide
These Proceedings form a record of the lectures presented at the interna tional Conference on Functional Analysis and Approximation held at the Ober wolfach Mathematical Research Institute, August 916, 1980. They include 33 of the 38 invited conference papers, as well as three papers subsequently submitted in writing. Further, there is a report devoted to new and unsolved problems, based on two special sessions of the conference. The present volume is the sixth Oberwolfach Conference in Birkhauser's ISNM series to be edited at Aachen *. It is once again devoted to more significant results obtained in the wide areas of approximation theory, harmonic analysis, functional analysis, and operator theory during the past three years. Many of the papers solicited not only outline fundamental advances in their fields but also focus on interconnections between the various research areas. The papers in the present volume have been grouped into nine chapters. Chapter I, on operator theory, deals with maps on positive semidefinite opera tors, spectral bounds of semigroup operators, evolution equations of diffusion type, the spectral theory of propagators, and generalized inverses. Chapter II, on functional analysis, contains papers on modular approximation, interpolation spaces, and unconditional bases
Anniversary volume on approximation theory and functional analysis by
P. L Butzer(
Book
)
10 editions published in 1984 in English and German and held by 209 WorldCat member libraries worldwide
These Proceedings include 42 of the 49 invited conference papers, three papers sub mitted subsequently, and a report devoted to new and unsolved problems based on two special problem sessions and as augmented by later communications from the participants. In addition, there are four short accounts that emphasize the personality of the scholars to whom the proceedings are dedicated. Due to the large number of contributors, the length of the papers had to be restricted. This volume is again devoted to recent significant results obtained in approximation theory, harmonic analysis, functional analysis, and operator theory. The papers solicited include in addition survey articles that not only describe fundamental advances in their subfields, but many also emphasize basic interconnections between the various research areas. They tend to reflect the range of interests of the organizers and of their immediate colleagues and collaborators. The papers have been grouped according to subject matter into ten chapters. Chap ter I, on operator theory, is devoted to certain classes of operators such as contraction, hyponormal, and accretive operators, as well as to suboperators and semi groups of operators. Chapter II, on functional analysis, contains papers on function spaces, algebras, ideals, and generalized functions. Chapter III, on abstract approximation, is concerned with the comparison of approximation processes, the gliding hump method, certain inter polation spaces, and nwidths
10 editions published in 1984 in English and German and held by 209 WorldCat member libraries worldwide
These Proceedings include 42 of the 49 invited conference papers, three papers sub mitted subsequently, and a report devoted to new and unsolved problems based on two special problem sessions and as augmented by later communications from the participants. In addition, there are four short accounts that emphasize the personality of the scholars to whom the proceedings are dedicated. Due to the large number of contributors, the length of the papers had to be restricted. This volume is again devoted to recent significant results obtained in approximation theory, harmonic analysis, functional analysis, and operator theory. The papers solicited include in addition survey articles that not only describe fundamental advances in their subfields, but many also emphasize basic interconnections between the various research areas. They tend to reflect the range of interests of the organizers and of their immediate colleagues and collaborators. The papers have been grouped according to subject matter into ten chapters. Chap ter I, on operator theory, is devoted to certain classes of operators such as contraction, hyponormal, and accretive operators, as well as to suboperators and semi groups of operators. Chapter II, on functional analysis, contains papers on function spaces, algebras, ideals, and generalized functions. Chapter III, on abstract approximation, is concerned with the comparison of approximation processes, the gliding hump method, certain inter polation spaces, and nwidths
Functional analysis. Appendix. Extension of linear transformations in Hilbert space which extend beyond this space by
Frigyes Riesz(
Book
)
8 editions published between 1960 and 1965 in English and held by 205 WorldCat member libraries worldwide
8 editions published between 1960 and 1965 in English and held by 205 WorldCat member libraries worldwide
Linear operators and approximation II : proceedings of the conference held at the Oberwolfach Mathematical Research Institute,
Black Forest, March 30April 6, 1974 = Lineare Operatoren und Approximation II : Abhandlungen zur Tagung im Mathematischen
Forschungsinstitut Oberwolfach, Schwarzwald, vom 30. März bis 6. April 1974 by Conference on Linear Operators and Approximation(
Book
)
10 editions published in 1974 in English and held by 198 WorldCat member libraries worldwide
10 editions published in 1974 in English and held by 198 WorldCat member libraries worldwide
Linear operators in function spaces by Conference on Operator Theory(
Book
)
4 editions published in 1990 in English and held by 159 WorldCat member libraries worldwide
4 editions published in 1990 in English and held by 159 WorldCat member libraries worldwide
Functions, series, operators by Series, Operators Functions(
Book
)
17 editions published between 1983 and 1984 in English and Undetermined and held by 152 WorldCat member libraries worldwide
17 editions published between 1983 and 1984 in English and Undetermined and held by 152 WorldCat member libraries worldwide
Qualitative theory of differential equations(
Book
)
11 editions published between 1990 and 1991 in English and held by 144 WorldCat member libraries worldwide
11 editions published between 1990 and 1991 in English and held by 144 WorldCat member libraries worldwide
Haar Alfréd összegyűjtött munkái by
Alfrd Haar(
Book
)
6 editions published in 1959 in Hungarian and held by 140 WorldCat member libraries worldwide
6 editions published in 1959 in Hungarian and held by 140 WorldCat member libraries worldwide
Differential equations : qualitative theory(
Book
)
11 editions published in 1987 in English and Undetermined and held by 122 WorldCat member libraries worldwide
11 editions published in 1987 in English and Undetermined and held by 122 WorldCat member libraries worldwide
Recent advances in operator theory and related topics : the Béla SzőkefalviNagy memorial volume by
Lszl Krchy(
Book
)
3 editions published in 2001 in English and held by 116 WorldCat member libraries worldwide
((keine Punkte, sondern 2 accents aigus auf dem o in Szkefalvi, s. auch Titel!)) In August 1999, an international conference was held in Szeged, Hungary, in honor of Bla SzkefalviNagy, one of the founders and main contributors of modern operator theory. This volume contains some of the papers presented at the meeting, complemented by several papers of experts who were unable to attend. These 35 refereed articles report on recent and original results in various areas of operator theory and connected fields, many of them strongly related to contributions of Sz.Nagy. The scientific part of the book is preceeded by fifty pages of biographical material, including several photos
3 editions published in 2001 in English and held by 116 WorldCat member libraries worldwide
((keine Punkte, sondern 2 accents aigus auf dem o in Szkefalvi, s. auch Titel!)) In August 1999, an international conference was held in Szeged, Hungary, in honor of Bla SzkefalviNagy, one of the founders and main contributors of modern operator theory. This volume contains some of the papers presented at the meeting, complemented by several papers of experts who were unable to attend. These 35 refereed articles report on recent and original results in various areas of operator theory and connected fields, many of them strongly related to contributions of Sz.Nagy. The scientific part of the book is preceeded by fifty pages of biographical material, including several photos
Linear operators in function space : 12th International Conference on Operator Theory, Timişoara (Romania), June 616, 1988 by
Henry Helson(
Book
)
8 editions published between 1989 and 1990 in English and held by 28 WorldCat member libraries worldwide
The Operator Theory conferences, organized by the Department of Mathematics of INCREST and the Department of Mathematics of the University of Timi~oara, are conceived as a means to promote cooperation and exchange of information between specialists in all areas of operator theory. This book comprises carefully selected papers on theory of linear operators and related fields. Original results of new research in fast developing areas are included. Several contributed papers focus on the action of linear operators in various function spaces. Recent advances in spectral theory and related topics, operators in indefinite metric spaces, dual algebras and the invariant subspace problem, operator algebras and group representations as well as applications to mathematical physics are presented. The research contacts of the Department of :viathematics of INCREST with the National Committee for Science and Technology of Romania provided means for developing the research activity in mathematics; they represent the generous framework of these meetings too. It is our pleasure to acknowledge the financial support of UNESCO which also contributed to the success of this meeting. We are indebted to Professor Israel Gohberg for including these Proceedings in the OT Series and for valuable advice in the editing process. Birkhauser Verlag was very cooperative in publishing this volume. Camelia Minculescu, Iren Nemethi and Rodica Stoenescu dealt with the difficult task of typing the whole manuscript using a Rank Xerox 860 word processor; we thank them for this exellent job
8 editions published between 1989 and 1990 in English and held by 28 WorldCat member libraries worldwide
The Operator Theory conferences, organized by the Department of Mathematics of INCREST and the Department of Mathematics of the University of Timi~oara, are conceived as a means to promote cooperation and exchange of information between specialists in all areas of operator theory. This book comprises carefully selected papers on theory of linear operators and related fields. Original results of new research in fast developing areas are included. Several contributed papers focus on the action of linear operators in various function spaces. Recent advances in spectral theory and related topics, operators in indefinite metric spaces, dual algebras and the invariant subspace problem, operator algebras and group representations as well as applications to mathematical physics are presented. The research contacts of the Department of :viathematics of INCREST with the National Committee for Science and Technology of Romania provided means for developing the research activity in mathematics; they represent the generous framework of these meetings too. It is our pleasure to acknowledge the financial support of UNESCO which also contributed to the success of this meeting. We are indebted to Professor Israel Gohberg for including these Proceedings in the OT Series and for valuable advice in the editing process. Birkhauser Verlag was very cooperative in publishing this volume. Camelia Minculescu, Iren Nemethi and Rodica Stoenescu dealt with the difficult task of typing the whole manuscript using a Rank Xerox 860 word processor; we thank them for this exellent job
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Related Identities
 Riesz, Frigyes 18801956 Author
 Butzer, Paul Leo 1928 Author Editor Creator
 Mathematisches Forschungsinstitut Oberwolfach Editor
 Foiaş, Ciprian
 Kahane, Jean Pierre Editor
 Hatvani, L. Other Editor
 Boron, Leo F. Translator
 Görlich, E. (Ernst) 1940 Editor
 Stens, R. L. 1948 Editor
 Helson, Henry Author Editor
Useful Links
Associated Subjects
Algebras, Linear Approximation theory Calculus Characteristic functions Combinatorial geometry Differential equations Differential equationsNumerical solutions Differential equationsQualitative theory Dilation theory (Operator theory) Fourier series Functional analysis Functions Functions of real variables Function spaces Generalized spaces Harmonic analysis Hilbert algebras Hilbert space Linear operators Mathematics Operator algebras Operator theory Orthogonal polynomials Series Series, Orthogonal Spectral theory (Mathematics) SzőkefalviNagy, Béla, Transformations (Mathematics) Vector spaces
Alternative Names
Bla SzőkefalviNagy
Bla SzőkefalviNagy Hungarian mathemaiticain
Bla SzőkefalviNagy ungarischer Mathematiker
Nadʹ, B. Sekefalʹvi
Nad', B. Skefal'vi 19131998
Nagy
Nagy 1913 B., Sz.
Nagy 1913 Bla, Sz.
Nagy, B. S.
Nagy, B., Sz., 1913
Nagy, Bla, 19131998
Nagy, Bla S. 19131998
Nagy, Bla Sz..
Nagy, Bla, Sz., 1913
Nagy Bla Sz. 19131998
Nagy, Bla Szent 19131998
Nagy, Bla Szoekefalvi 19131998
Nagy, Bla, Szőkefalvi
Nagy, Bla Szőkefalvi 1913
Nagy Bla Szőkefalvi 19131998
Nagy Bla von Sz. 19131998
SekefalʹviNadʹ. B
Skefal'viNad', B. 19131998
SekefalʹviNadʹ. B. (Bela)
Sz. Nagy
Sz.Nagy, B.
Sz.Nagy, B. 1913
Sz.Nagy, B. 19131998
Sz.Nagy, B. (Bla), 19131998
Sz.Nagy, Bla.
Sz.Nagy, Bla 1913
Sz.Nagy Bla 19131998
Sz. Nagy, Bla v.
Sz. Nagy, Bla von 19131998
SzentNagy, B. 19131998
SzentNagy, Bla 19131998
SzentNagy, Bla von 19131998
SzoekefalviNagy, Bla 19131998
SzoekefalviNagy, Bel von 19131998
SzőkefalviNagy, B.
SzőkefalviNagy, B. 1913
SzőkefalviNagy, B. (Bla), 1913
SzkefalviNagy, Bla
SzokefalviNagy, Bela 1913
SzőkefalviNagy, Bla 19131998
СёкефальвиНадь, Бела
ナジー
Languages
English
(273)
French (109)
German (72)
Hungarian (26)
Russian (21)
Italian (6)
Multiple languages (2)
Spanish (1)
Dutch (1)
French (109)
German (72)
Hungarian (26)
Russian (21)
Italian (6)
Multiple languages (2)
Spanish (1)
Dutch (1)
Covers