## Schappacher, Wilhelm

Compute Distance To:
 Author ID: schappacher.wilhelm Published as: Schappacher, Wilhelm; Schappacher, W.
 Documents Indexed: 52 Publications since 1974, including 4 Books 8 Contributions as Editor Co-Authors: 17 Co-Authors with 49 Joint Publications 597 Co-Co-Authors
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### Co-Authors

 9 single-authored 23 Desch, Wolfgang 12 Kappel, Franz 10 Kunisch, Karl 7 Grimmer, Ronald 3 Milota, Jaroslav 2 Prüß, Jan Wilhelm 2 Webb, Glenn Francis 1 Fašanga, Eva 1 Fašangová, Eva 1 Goldstein, Jerome Arthur 1 Lasiecka, Irena 1 Lenczewski, Romuald 1 Lichtenegger, Klaus 1 Löscher, W. N. 1 Pfurtscheller, Gert 1 Schappacher, Gudrun 1 Zhang, Kangpei
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### Serials

 4 Journal of Differential Equations 4 Semigroup Forum 3 Lecture Notes in Control and Information Sciences 2 Journal of Integral Equations 2 Ergodic Theory and Dynamical Systems 2 Nonlinear Analysis. Theory, Methods & Applications 1 Biological Cybernetics 1 Computers & Mathematics with Applications 1 Houston Journal of Mathematics 1 Israel Journal of Mathematics 1 Journal of Mathematical Analysis and Applications 1 Journal of Mathematical Biology 1 Mathematica Balkanica 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 1 Mathematische Annalen 1 SIAM Journal on Control and Optimization 1 Bollettino della Unione Matemàtica Italiana. Serie VI. C. Analisi Funzionale e Applicazioni 1 Differential and Integral Equations 1 Glasnik Matematički. Serija III 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 1 International Journal of Modern Physics C 1 Bollettino della Unione Matematica Italiana. Series V. B 1 ISNM. International Series of Numerical Mathematics 1 Lecture Notes in Mathematics 1 Lecture Notes in Pure and Applied Mathematics 1 Mathematical Modelling of Natural Phenomena 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
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### Fields

 32 Operator theory (47-XX) 22 Ordinary differential equations (34-XX) 12 Integral equations (45-XX) 9 Systems theory; control (93-XX) 8 General and overarching topics; collections (00-XX) 8 Partial differential equations (35-XX) 6 Biology and other natural sciences (92-XX) 5 Calculus of variations and optimal control; optimization (49-XX) 2 Statistics (62-XX) 2 Mechanics of deformable solids (74-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Functional analysis (46-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Probability theory and stochastic processes (60-XX) 1 Numerical analysis (65-XX) 1 Computer science (68-XX) 1 Statistical mechanics, structure of matter (82-XX)

### Citations contained in zbMATH Open

39 Publications have been cited 589 times in 498 Documents Cited by Year
Hypercyclic and chaotic semigroups of linear operators. Zbl 0910.47033
Desch, Wolfgang; Schappacher, Wilhelm; Webb, Glenn F.
1997
Some considerations to the fundamental theory of infinite delay equations. Zbl 0466.34036
Kappel, F.; Schappacher, W.
1980
Some considerations for linear integrodifferential equations. Zbl 0595.45027
Desch, Wolfgang; Grimmer, Ronald; Schappacher, Wilhelm
1984
Necessary conditions for partial differential equations with delay to generate $$C_ 0$$-semigroups. Zbl 0533.35082
Kunisch, K.; Schappacher, W.
1983
On relatively bounded perturbations of linear $$C_ 0$$-semigroups. Zbl 0556.47022
Desch, W.; Schappacher, W.
1984
Wellposedness and wave propagation for a class of integrodifferential equations in Banach space. Zbl 0663.45008
Desch, Wolfgang; Grimmer, Ronald; Schappacher, Wilhelm
1988
Some perturbation results for analytic semigroups. Zbl 0627.47020
Desch, W.; Schappacher, W.
1988
Autonomous nonlinear functional differential equations and averaging approximations. Zbl 0402.34056
Kappel, F.; Schappacher, W.
1978
Feedback boundary control problems for linear semigroups. Zbl 0587.93038
Desch, W.; Lasiecka, I.; Schappacher, W.
1985
Spectral properties of finite-dimensional perturbed linear semigroups. Zbl 0575.34049
Desch, W.; Schappacher, W.
1985
Nonlinear age-dependent population dynamics with random diffusion. Zbl 0581.92021
Kunisch, K.; Schappacher, W.; Webb, G. F.
1985
Constrained controllability in Banach spaces. Zbl 0612.49026
Peichl, G.; Schappacher, Wilhelm
1986
Non-linear functional differential equations and abstract integral equations. Zbl 0455.34057
Kappel, F.; Schappacher, W.
1979
Persistent age-distributions for a pair-formation model. Zbl 0830.92020
Prüss, Jan; Schappacher, Wilhelm
1994
Linearized stability for nonlinear semigroups. Zbl 0615.47048
Desch, Wolfgang; Schappacher, Wilhelm
1986
Some generation results for perturbed semigroups. Zbl 0701.47021
Desch, Wolfgang; Schappacher, Wilhelm
1989
Semilinear evolution equations. Zbl 0712.47052
Desch, W.; Schappacher, Wilhelm; Zhang, Kang Pei
1989
A semigroup approach to integrodifferential equations in Banach spaces. Zbl 0591.45013
Desch, W.; Schappacher, W.
1985
Weak solutions of integrodifferential equations and resolvent operators. Zbl 0546.45012
Grimmer, R. C.; Schappacher, W.
1984
Propagation of singularities by solutions of second order integrodifferential equations. Zbl 0675.45021
Desch, W.; Grimmer, R.; Schappacher, W.
1989
Variation of constants formulas for partial differential equations with delay. Zbl 0458.35091
Kunisch, Karl; Schappacher, Wilhelm
1981
A note on the comparison of $$C_ 0$$-semigroups. Zbl 0618.47034
Desch, Wolfgang; Schappacher, Wilhelm
1987
Orderpreserving evolution operators of functional differential equations. Zbl 0437.34061
Kunisch, Karl; Schappacher, Wilhelm
1979
On products of hypercyclic semigroups. Zbl 1103.47027
Desch, Wolfgang; Schappacher, Wilhelm
2005
Least square control problems in nonreflexive spaces. Zbl 1004.49023
Desch, W.; Milota, J.; Schappacher, W.
2001
Semigroup methods for age-structured population dynamics. Zbl 0799.92013
Prüss, Jan; Schappacher, Wilhelm
1994
Hypercyclicity of semigroups is a very unstable property. Zbl 1337.47009
Desch, W.; Schappacher, W.
2008
Mild and strong solutions for partial differential equations with delay. Zbl 0518.35077
Kunisch, K.; Schappacher, W.
1980
Well-posedness of hyperbolic equations with delay in the boundary conditions. Zbl 0693.35118
Grimmer, Ronald; Lenczewski, R.; Schappacher, Wilhelm
1989
Discrete subsemigroups of hypercyclic $$C_0$$-semigroups are hypercyclic. Zbl 1108.47008
Desch, Wolfgang; Schappacher, Wilhelm
2006
Scattering theory for the linear Boltzmann equation. Zbl 0348.45016
Schappacher, Wilhelm
1976
The semigroup approach to integrodifferential equations. Zbl 0579.45013
Desch, Wolfgang; Schappacher, Wilhelm
1985
Spectral characterization of weak topological transitivity. Zbl 1266.47015
Desch, Wolfgang; Schappacher, Wilhelm
2011
Weak solutions of integrodifferential equations and applications. Zbl 0497.45021
Grimmer, R. C.; Schappacher, W.
1982
Phase transition in a stochastic forest fire model and effects of the definition of neighborhood. Zbl 1179.82098
Lichtenegger, Klaus; Schappacher, Wilhelm
2009
Infinite-dimensional systems. Proceedings of the Conference on Operator Semigroups and Applications held in Retzhof (Styria), Austria, June 5-11, 1983. Zbl 0535.00013
1984
Differential equations with applications in biology, physics, and engineering. Proceedings of the international conference, held in Leibnitz, Austria. Zbl 0741.00056
1991
Application of the correlation integral to respiratory data of infants during REM sleep. Zbl 0826.92016
Pilgram, B.; Schappacher, W.; Löscher, W. N.; Pfurtscheller, G.
1995
Relatively bounded rank one perturbations of non-analytic semigroups can generate large point spectrum. Zbl 1134.47031
Desch, Wolfgang; Schappacher, Gudrun; Schappacher, Wilhelm
2007
Spectral characterization of weak topological transitivity. Zbl 1266.47015
Desch, Wolfgang; Schappacher, Wilhelm
2011
Phase transition in a stochastic forest fire model and effects of the definition of neighborhood. Zbl 1179.82098
Lichtenegger, Klaus; Schappacher, Wilhelm
2009
Hypercyclicity of semigroups is a very unstable property. Zbl 1337.47009
Desch, W.; Schappacher, W.
2008
Relatively bounded rank one perturbations of non-analytic semigroups can generate large point spectrum. Zbl 1134.47031
Desch, Wolfgang; Schappacher, Gudrun; Schappacher, Wilhelm
2007
Discrete subsemigroups of hypercyclic $$C_0$$-semigroups are hypercyclic. Zbl 1108.47008
Desch, Wolfgang; Schappacher, Wilhelm
2006
On products of hypercyclic semigroups. Zbl 1103.47027
Desch, Wolfgang; Schappacher, Wilhelm
2005
Least square control problems in nonreflexive spaces. Zbl 1004.49023
Desch, W.; Milota, J.; Schappacher, W.
2001
Hypercyclic and chaotic semigroups of linear operators. Zbl 0910.47033
Desch, Wolfgang; Schappacher, Wilhelm; Webb, Glenn F.
1997
Application of the correlation integral to respiratory data of infants during REM sleep. Zbl 0826.92016
Pilgram, B.; Schappacher, W.; Löscher, W. N.; Pfurtscheller, G.
1995
Persistent age-distributions for a pair-formation model. Zbl 0830.92020
Prüss, Jan; Schappacher, Wilhelm
1994
Semigroup methods for age-structured population dynamics. Zbl 0799.92013
Prüss, Jan; Schappacher, Wilhelm
1994
Differential equations with applications in biology, physics, and engineering. Proceedings of the international conference, held in Leibnitz, Austria. Zbl 0741.00056
1991
Some generation results for perturbed semigroups. Zbl 0701.47021
Desch, Wolfgang; Schappacher, Wilhelm
1989
Semilinear evolution equations. Zbl 0712.47052
Desch, W.; Schappacher, Wilhelm; Zhang, Kang Pei
1989
Propagation of singularities by solutions of second order integrodifferential equations. Zbl 0675.45021
Desch, W.; Grimmer, R.; Schappacher, W.
1989
Well-posedness of hyperbolic equations with delay in the boundary conditions. Zbl 0693.35118
Grimmer, Ronald; Lenczewski, R.; Schappacher, Wilhelm
1989
Wellposedness and wave propagation for a class of integrodifferential equations in Banach space. Zbl 0663.45008
Desch, Wolfgang; Grimmer, Ronald; Schappacher, Wilhelm
1988
Some perturbation results for analytic semigroups. Zbl 0627.47020
Desch, W.; Schappacher, W.
1988
A note on the comparison of $$C_ 0$$-semigroups. Zbl 0618.47034
Desch, Wolfgang; Schappacher, Wilhelm
1987
Constrained controllability in Banach spaces. Zbl 0612.49026
Peichl, G.; Schappacher, Wilhelm
1986
Linearized stability for nonlinear semigroups. Zbl 0615.47048
Desch, Wolfgang; Schappacher, Wilhelm
1986
Feedback boundary control problems for linear semigroups. Zbl 0587.93038
Desch, W.; Lasiecka, I.; Schappacher, W.
1985
Spectral properties of finite-dimensional perturbed linear semigroups. Zbl 0575.34049
Desch, W.; Schappacher, W.
1985
Nonlinear age-dependent population dynamics with random diffusion. Zbl 0581.92021
Kunisch, K.; Schappacher, W.; Webb, G. F.
1985
A semigroup approach to integrodifferential equations in Banach spaces. Zbl 0591.45013
Desch, W.; Schappacher, W.
1985
The semigroup approach to integrodifferential equations. Zbl 0579.45013
Desch, Wolfgang; Schappacher, Wilhelm
1985
Some considerations for linear integrodifferential equations. Zbl 0595.45027
Desch, Wolfgang; Grimmer, Ronald; Schappacher, Wilhelm
1984
On relatively bounded perturbations of linear $$C_ 0$$-semigroups. Zbl 0556.47022
Desch, W.; Schappacher, W.
1984
Weak solutions of integrodifferential equations and resolvent operators. Zbl 0546.45012
Grimmer, R. C.; Schappacher, W.
1984
Infinite-dimensional systems. Proceedings of the Conference on Operator Semigroups and Applications held in Retzhof (Styria), Austria, June 5-11, 1983. Zbl 0535.00013
1984
Necessary conditions for partial differential equations with delay to generate $$C_ 0$$-semigroups. Zbl 0533.35082
Kunisch, K.; Schappacher, W.
1983
Weak solutions of integrodifferential equations and applications. Zbl 0497.45021
Grimmer, R. C.; Schappacher, W.
1982
Variation of constants formulas for partial differential equations with delay. Zbl 0458.35091
Kunisch, Karl; Schappacher, Wilhelm
1981
Some considerations to the fundamental theory of infinite delay equations. Zbl 0466.34036
Kappel, F.; Schappacher, W.
1980
Mild and strong solutions for partial differential equations with delay. Zbl 0518.35077
Kunisch, K.; Schappacher, W.
1980
Non-linear functional differential equations and abstract integral equations. Zbl 0455.34057
Kappel, F.; Schappacher, W.
1979
Orderpreserving evolution operators of functional differential equations. Zbl 0437.34061
Kunisch, Karl; Schappacher, Wilhelm
1979
Autonomous nonlinear functional differential equations and averaging approximations. Zbl 0402.34056
Kappel, F.; Schappacher, W.
1978
Scattering theory for the linear Boltzmann equation. Zbl 0348.45016
Schappacher, Wilhelm
1976
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### Cited by 522 Authors

 29 Ezzinbi, Khalil 15 Kostić, Marko 14 Conejero, José Alberto 14 Peris, Alfredo 14 Schappacher, Wilhelm 9 Desch, Wolfgang 9 Kunisch, Karl 8 Ghnimi, Saifeddine 8 Maniar, Lahcen 8 Murillo-Arcila, Marina 8 Vlasov, Viktor Valentinovich 7 Boulite, Said 7 Grimmer, Ronald 7 Lasiecka, Irena 6 Adimy, Mostafa 6 Benchohra, Mouffak 6 Diop, Mamadou Abdoul 6 Fu, Xianlong 6 Kappel, Franz 6 Liang, Jin 6 Lizama, Carlos 6 Ouahab, Abdelghani 6 Rhandi, Abdelaziz 6 Xiao, Ti-Jun 5 Banasiak, Jacek 5 Chang, Jung-Chan 5 Liu, James Hetao 5 Martínez-Giménez, Félix 5 Rodenas, Francisco 5 Taoudi, Mohamed Aziz 5 Weber, Andreas 4 Awawdeh, Fadi 4 Balachandran, Krishnan 4 deLaubenfels, Ralph J. 4 Diao, Boubacar 4 Diekmann, Odo 4 Gyllenberg, Mats 4 Kalmes, Thomas 4 Lachowicz, Mirosław 4 Muravnik, Andreĭ Borisovich 4 Oka, Hirokazu 4 Prüß, Jan Wilhelm 4 Rautian, Nadegda Aleksandrovna 4 Rudnicki, Ryszard 4 Sinestrari, Eugenio 4 Sy, Mamadou 4 Thieme, Horst R. 3 Abbar, Arafat 3 Arendt, Wolfgang 3 Banks, Harvey Thomas 3 Berrahmoune, Larbi 3 Bouzahir, Hassane 3 Burton, Theodore Allen 3 Cuevas, Claudio 3 Curtain, Ruth Frances 3 Di Blasio, Gabriella 3 Dieye, Moustapha 3 Fitzgibbon, William Edward 3 Goldstein, Jerome Arthur 3 Grosse-Erdmann, Karl-Goswin 3 Guo, Bao-Zhu 3 Inaba, Hisashi 3 Ji, Lizhen 3 Krisztin, Tibor 3 Langlais, Michel R. 3 Mangino, Elisabetta M. 3 Milner, Fabio Augusto 3 Moszyński, Marcin 3 Mugnolo, Delio 3 Nagel, Rainer J. 3 Parrott, Mary E. 3 Peng, Jigen 3 Shin, Jong Son 3 Skakauskas, Vladas 3 Tchuenche, Jean Michel 3 Voigt, Jurgen 3 Webb, Glenn Francis 3 Wu, Jianhong 3 Zakora, Dmitriĭ Aleksandrovich 2 Abada, Nadjet 2 Al-Horani, Mohammed 2 Alonso-Mallo, Isaías 2 Amouch, Mohamed 2 Aroza, Javier 2 Arthi, Ganesan 2 Ashyralyev, Allaberen 2 Bárcenas, Diómedes 2 Barrachina, Xavier 2 Barreira, Luis Manuel 2 Bátkai, András 2 Batty, Charles J. K. 2 Benchiheb, Otmane 2 Bertoni, Stefano 2 Bonilla, Antonio 2 Brzeźniak, Zdzisław 2 Budde, Christian 2 Busenberg, Stavros N. 2 Cârjă, Ovidiu 2 Chaouchi, Belkacem 2 Chaplain, Mark A. J. ...and 422 more Authors
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### Cited in 157 Serials

 60 Journal of Mathematical Analysis and Applications 25 Journal of Differential Equations 21 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 18 Semigroup Forum 13 Proceedings of the American Mathematical Society 13 Nonlinear Analysis. Theory, Methods & Applications 9 Systems & Control Letters 9 Journal of Mathematical Sciences (New York) 8 Transactions of the American Mathematical Society 8 Nonlinear Analysis. Real World Applications 7 Annali di Matematica Pura ed Applicata. Serie Quarta 6 Journal of Mathematical Biology 6 Archiv der Mathematik 6 Topology and its Applications 6 Journal of Integral Equations and Applications 6 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 6 Journal of Evolution Equations 5 Applicable Analysis 5 Israel Journal of Mathematics 5 Journal of Functional Analysis 5 Journal of Optimization Theory and Applications 5 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 5 Discrete and Continuous Dynamical Systems 5 Differential Equations and Dynamical Systems 5 Abstract and Applied Analysis 5 Differential Equations 4 International Journal of Control 4 Mathematical Biosciences 4 Mathematical Methods in the Applied Sciences 4 Applied Mathematics and Computation 4 Integral Equations and Operator Theory 4 Acta Applicandae Mathematicae 4 Journal of Difference Equations and Applications 4 Discrete and Continuous Dynamical Systems. Series B 4 Mediterranean Journal of Mathematics 4 Nonlinear Analysis. Hybrid Systems 4 Mathematical Modelling of Natural Phenomena 4 Evolution Equations and Control Theory 4 Open Mathematics 3 Lithuanian Mathematical Journal 3 Mathematische Zeitschrift 3 SIAM Journal on Control and Optimization 3 Ergodic Theory and Dynamical Systems 3 Mathematical Population Studies 3 European Journal of Control 3 Journal of Dynamical and Control Systems 3 Journal of Fixed Point Theory and Applications 3 Complex Analysis and Operator Theory 3 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 3 S$$\vec{\text{e}}$$MA Journal 2 Computers & Mathematics with Applications 2 Journal of Mathematical Physics 2 Bulletin of Mathematical Biology 2 Chaos, Solitons and Fractals 2 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 2 Applied Mathematics and Optimization 2 Automatica 2 Journal of Computational and Applied Mathematics 2 Mathematische Annalen 2 Numerical Functional Analysis and Optimization 2 Quaestiones Mathematicae 2 Optimization 2 MCSS. Mathematics of Control, Signals, and Systems 2 European Journal of Applied Mathematics 2 Applications of Mathematics 2 M$$^3$$AS. Mathematical Models & Methods in Applied Sciences 2 Applied Mathematical Modelling 2 Random Operators and Stochastic Equations 2 Nonlinear Dynamics 2 Positivity 2 Novi Sad Journal of Mathematics 2 Journal of Inequalities and Applications 2 Chaos 2 Acta Mathematica Sinica. English Series 2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 2 Communications on Pure and Applied Analysis 2 International Journal of Differential Equations 2 Afrika Matematika 1 Bulletin of the Australian Mathematical Society 1 Journal of the Franklin Institute 1 Journal of Statistical Physics 1 Mathematical Notes 1 Rocky Mountain Journal of Mathematics 1 Studia Mathematica 1 Bulletin. Classe des Sciences Mathématiques et Naturelles. Sciences Mathématiques 1 Advances in Mathematics 1 Annales Polonici Mathematici 1 Collectanea Mathematica 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Approximation Theory 1 Journal of Soviet Mathematics 1 Manuscripta Mathematica 1 Matematički Vesnik 1 Le Matematiche 1 Mathematica Slovaca 1 Monatshefte für Mathematik 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Rendiconti del Seminario Matematico della Università di Padova 1 Results in Mathematics ...and 57 more Serials
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### Cited in 41 Fields

 234 Operator theory (47-XX) 157 Ordinary differential equations (34-XX) 144 Partial differential equations (35-XX) 90 Integral equations (45-XX) 74 Biology and other natural sciences (92-XX) 64 Systems theory; control (93-XX) 50 Dynamical systems and ergodic theory (37-XX) 18 Functional analysis (46-XX) 18 Numerical analysis (65-XX) 17 Probability theory and stochastic processes (60-XX) 17 Mechanics of deformable solids (74-XX) 10 Calculus of variations and optimal control; optimization (49-XX) 9 General topology (54-XX) 9 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 7 Abstract harmonic analysis (43-XX) 7 Fluid mechanics (76-XX) 6 Integral transforms, operational calculus (44-XX) 5 Difference and functional equations (39-XX) 4 Global analysis, analysis on manifolds (58-XX) 3 Real functions (26-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 2 History and biography (01-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Topological groups, Lie groups (22-XX) 2 Approximations and expansions (41-XX) 2 Differential geometry (53-XX) 2 Optics, electromagnetic theory (78-XX) 2 Statistical mechanics, structure of matter (82-XX) 2 Operations research, mathematical programming (90-XX) 1 Number theory (11-XX) 1 Algebraic geometry (14-XX) 1 Group theory and generalizations (20-XX) 1 Measure and integration (28-XX) 1 Functions of a complex variable (30-XX) 1 Potential theory (31-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Manifolds and cell complexes (57-XX) 1 Computer science (68-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Quantum theory (81-XX) 1 Geophysics (86-XX)