Edit Profile (opens in new tab) Fleige, Andreas Co-Author Distance Author ID: fleige.andreas Published as: Fleige, Andreas; Fleige, A. Documents Indexed: 23 Publications since 1995, including 2 Books Reviewing Activity: 68 Reviews Co-Authors: 7 Co-Authors with 10 Joint Publications 128 Co-Co-Authors all top 5 Co-Authors 13 single-authored 4 de Snoo, Hendrik S. V. 4 Hassi, Seppo 4 Winkler, Henrik 2 Binding, Paul Anthony 2 Najman, Branko 1 Ćurgus, Branko 1 Kostenko, Aleksey S. all top 5 Serials 5 Integral Equations and Operator Theory 2 Journal of Mathematical Analysis and Applications 2 Mathematische Nachrichten 2 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Acta Scientiarum Mathematicarum 1 Glasnik Matematički. Serija III 1 Operators and Matrices 1 Mathematical Research all top 5 Fields 19 Ordinary differential equations (34-XX) 15 Operator theory (47-XX) 5 Functional analysis (46-XX) 4 Real functions (26-XX) 2 Difference and functional equations (39-XX) 1 Functions of a complex variable (30-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 19 Publications have been cited 125 times in 56 Documents Cited by ▼ Year ▼ Spectral theory of indefinite Krein-Feller differential operators. Zbl 0856.34085 Fleige, Andreas 26 1996 A Kreǐn space approach to representation theorems and generalized Friedrichs extensions. Zbl 1003.46015 Fleige, Andreas; Hassi, Seppo; De Snoo, Henk 11 2000 Non-semibounded sesquilinear forms and left-indefinite Sturm-Liouville problems. Zbl 0922.47014 Fleige, Andreas 10 1999 The Riesz basis property of an indefinite Sturm-Liouville problem with non-separated boundary conditions. Zbl 1292.34080 Ćurgus, Branko; Fleige, Andreas; Kostenko, Aleksey 9 2013 A counterexample to completeness properties for indefinite Sturm-Liouville problems. Zbl 0898.34018 Fleige, Andreas 9 1998 A review of a Riesz basis property for indefinite Sturm-Liouville problems. Zbl 1244.34042 Binding, Paul; Fleige, Andreas 8 2011 Sesquilinear forms corresponding to a non-semibounded Sturm-Liouville operator. Zbl 1187.47006 Fleige, Andreas; Hassi, Seppo; de Snoo, Henk; Winkler, Henrik 7 2010 Nonsingularity of critical points of some differential and difference operators. Zbl 0908.47029 Fleige, A.; Najman, B. 6 1998 Non-semi-bounded closed symmetric forms associated with a generalized Friedrichs extension. Zbl 1300.47011 de Snoo, Henk; Fleige, Andreas; Hassi, Seppo; Winkler, Henrik 6 2014 Conditions for an indefinite Sturm-Liouville Riesz basis property. Zbl 1200.34105 Binding, Paul; Fleige, Andreas 5 2010 The “turning point condition” of Beals for indefinite Sturm-Liouville problems. Zbl 0868.34022 Fleige, Andreas 5 1995 The Riesz basis property of an indefinite Sturm-Liouville problem with a non-odd weight function. Zbl 1147.34061 Fleige, Andreas 4 2008 Generalized Friedrichs extensions associated with interface conditions for Sturm–Liouville operators. Zbl 1111.47037 Fleige, Andreas; Hassi, Seppo; de Snoo, Henk; Winkler, Henrik 4 2006 The critical point infinity associated with indefinite Sturm-Liouville problems. Zbl 1367.47047 Fleige, Andreas 4 2015 An indefinite inverse spectral problem of Stieltjes type. Zbl 1382.34022 Fleige, Andreas; Winkler, Henrik 4 2017 Characterizations of monotone \(\mathcal O\)-regularly varying functions by means of indefinite eigenvalue problems and HELP type inequalities. Zbl 1310.26004 Fleige, Andreas 2 2014 Perturbations of Krein spaces preserving the nonsingularity of the critical point infinity. Zbl 0921.47033 Fleige, Andreas; Najman, Branko 2 1998 A failing eigenfunction expansion associated with an indefinite Sturm-Liouville problem. Zbl 1248.34131 Fleige, Andreas 2 2012 A necessary aspect of the generalized Beals condition for the Riesz basis property of indefinite Sturm-Liouville problems. Zbl 1145.34053 Fleige, Andreas 1 2007 An indefinite inverse spectral problem of Stieltjes type. Zbl 1382.34022 Fleige, Andreas; Winkler, Henrik 4 2017 The critical point infinity associated with indefinite Sturm-Liouville problems. Zbl 1367.47047 Fleige, Andreas 4 2015 Non-semi-bounded closed symmetric forms associated with a generalized Friedrichs extension. Zbl 1300.47011 de Snoo, Henk; Fleige, Andreas; Hassi, Seppo; Winkler, Henrik 6 2014 Characterizations of monotone \(\mathcal O\)-regularly varying functions by means of indefinite eigenvalue problems and HELP type inequalities. Zbl 1310.26004 Fleige, Andreas 2 2014 The Riesz basis property of an indefinite Sturm-Liouville problem with non-separated boundary conditions. Zbl 1292.34080 Ćurgus, Branko; Fleige, Andreas; Kostenko, Aleksey 9 2013 A failing eigenfunction expansion associated with an indefinite Sturm-Liouville problem. Zbl 1248.34131 Fleige, Andreas 2 2012 A review of a Riesz basis property for indefinite Sturm-Liouville problems. Zbl 1244.34042 Binding, Paul; Fleige, Andreas 8 2011 Sesquilinear forms corresponding to a non-semibounded Sturm-Liouville operator. Zbl 1187.47006 Fleige, Andreas; Hassi, Seppo; de Snoo, Henk; Winkler, Henrik 7 2010 Conditions for an indefinite Sturm-Liouville Riesz basis property. Zbl 1200.34105 Binding, Paul; Fleige, Andreas 5 2010 The Riesz basis property of an indefinite Sturm-Liouville problem with a non-odd weight function. Zbl 1147.34061 Fleige, Andreas 4 2008 A necessary aspect of the generalized Beals condition for the Riesz basis property of indefinite Sturm-Liouville problems. Zbl 1145.34053 Fleige, Andreas 1 2007 Generalized Friedrichs extensions associated with interface conditions for Sturm–Liouville operators. Zbl 1111.47037 Fleige, Andreas; Hassi, Seppo; de Snoo, Henk; Winkler, Henrik 4 2006 A Kreǐn space approach to representation theorems and generalized Friedrichs extensions. Zbl 1003.46015 Fleige, Andreas; Hassi, Seppo; De Snoo, Henk 11 2000 Non-semibounded sesquilinear forms and left-indefinite Sturm-Liouville problems. Zbl 0922.47014 Fleige, Andreas 10 1999 A counterexample to completeness properties for indefinite Sturm-Liouville problems. Zbl 0898.34018 Fleige, Andreas 9 1998 Nonsingularity of critical points of some differential and difference operators. Zbl 0908.47029 Fleige, A.; Najman, B. 6 1998 Perturbations of Krein spaces preserving the nonsingularity of the critical point infinity. Zbl 0921.47033 Fleige, Andreas; Najman, Branko 2 1998 Spectral theory of indefinite Krein-Feller differential operators. Zbl 0856.34085 Fleige, Andreas 26 1996 The “turning point condition” of Beals for indefinite Sturm-Liouville problems. Zbl 0868.34022 Fleige, Andreas 5 1995 all cited Publications top 5 cited Publications all top 5 Cited by 65 Authors 11 Kostenko, Aleksey S. 7 Fleige, Andreas 6 Eckhardt, Jonathan 4 Corso, Rosario 3 Behrndt, Jussi 3 Ćurgus, Branko 2 Derkach, Volodymyr Oleksandrovych 2 Grubišić, Luka 2 Karabash, Illya M. 2 Kostrykin, Vadim V. 2 Makarov, Konstantin A. 2 Malamud, Mark M. 2 Pyatkov, Sergeĭ Grigor’evich 2 Savchuk, Artem M. 2 Teschl, Gerald 2 Trapani, Camillo 2 Trunk, Carsten 2 Veselić, Krešimir 2 Volkmer, Hans W. 2 Zhang, Zhi 1 Agarwal, Ravi P. 1 Ao, Jijun 1 Binding, Paul Anthony 1 Blanchard, Gilles 1 Brown, B. Malcolm 1 Chu, Jifeng 1 Di Bella, Salvatore 1 El-Gebeily, Mohamed A. 1 Hao, Xiaoling 1 Hoffmann, Marc 1 Horning, Andrew 1 Ibort, Alberto 1 Ivanov, Aleksandr S. 1 Jørgensen, Palle E. T. 1 Kesseböhmer, Marc 1 Krejčiřík, David 1 Langer, Heinz 1 Langer, Matthias 1 Li, Kun 1 Gonzáles Llavona, José Luis 1 Lledó, Fernando 1 Meng, Gang 1 Nazarov, Sergeĭ Aleksandrovich 1 Niemann, Aljoscha 1 O’Regan, Donal 1 Pérez-Pardo, Juan Manuel 1 Philipp, Friedrich 1 Popoff, Nicolas 1 Pruckner, Raphael 1 Reiß, Markus 1 Sauter, Manfred 1 Schmitz, Stephan 1 Schneider, Albert 1 Shkalikov, Andreĭ Andreevich 1 Strauss, Michael A. 1 Sun, Jiong 1 Taskinen, Jari 1 ter Elst, Antonius Frederik Maria 1 Townsend, Alex 1 Tretter, Christiane 1 Vogt, Hendrik 1 Vonhoff, Rolf 1 Wang, Xun 1 Winkler, Henrik 1 Woracek, Harald all top 5 Cited in 27 Serials 8 Integral Equations and Operator Theory 6 Journal of Mathematical Analysis and Applications 6 Journal of Differential Equations 3 Advances in Mathematics 3 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 2 Mathematical Notes 2 Archiv der Mathematik 2 Journal of Functional Analysis 1 Journal d’Analyse Mathématique 1 Studia Mathematica 1 Bulletin of the London Mathematical Society 1 Functional Analysis and its Applications 1 Inventiones Mathematicae 1 Journal für die Reine und Angewandte Mathematik 1 Mathematische Annalen 1 Mathematische Nachrichten 1 Mathematika 1 Results in Mathematics 1 SIAM Journal on Numerical Analysis 1 Siberian Mathematical Journal 1 Mathematical and Computer Modelling 1 Sbornik: Mathematics 1 Annales Henri Poincaré 1 Journal of Applied Mathematics and Computing 1 Mediterranean Journal of Mathematics 1 Complex Analysis and Operator Theory 1 SIAM/ASA Journal on Uncertainty Quantification all top 5 Cited in 19 Fields 37 Ordinary differential equations (34-XX) 31 Operator theory (47-XX) 10 Partial differential equations (35-XX) 9 Functional analysis (46-XX) 5 Real functions (26-XX) 3 Quantum theory (81-XX) 2 Functions of a complex variable (30-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 2 Integral transforms, operational calculus (44-XX) 2 Numerical analysis (65-XX) 1 Number theory (11-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Topological groups, Lie groups (22-XX) 1 Measure and integration (28-XX) 1 Integral equations (45-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Statistics (62-XX) 1 Fluid mechanics (76-XX) 1 Statistical mechanics, structure of matter (82-XX) Citations by Year