Filippakis, Michael; Gasiński, Leszek; Papageorgiou, Nikolaos S. Nonlinear periodic problems with nonsmooth potential restricted in one direction. (English) Zbl 1121.34026 Publ. Math. Debr. 68, No. 1-2, 37-62 (2006). Reviewer: Irena Rachunkova (Olomouc) MSC: 34B15 34C25 PDFBibTeX XMLCite \textit{M. Filippakis} et al., Publ. Math. Debr. 68, No. 1--2, 37--62 (2006; Zbl 1121.34026)
Kyritsi, Sophia Th.; Papageorgiou, Nikolaos S. Minimizers of nonsmooth functionals on manifolds and nonlinear eigenvalue problems with constraints. (English) Zbl 1150.35387 Publ. Math. Debr. 67, No. 3-4, 265-284 (2005). MSC: 35J50 35J85 35R70 PDFBibTeX XMLCite \textit{S. Th. Kyritsi} and \textit{N. S. Papageorgiou}, Publ. Math. Debr. 67, No. 3--4, 265--284 (2005; Zbl 1150.35387)
Gasiński, L.; Papageorgiou, N. S. Two bounded solutions of opposite sign for nonlinear hemivariational inequalities at resonance. (English) Zbl 1027.35041 Publ. Math. Debr. 63, No. 1-2, 29-49 (2003). MSC: 35J85 35J20 49J40 PDFBibTeX XMLCite \textit{L. Gasiński} and \textit{N. S. Papageorgiou}, Publ. Math. Debr. 63, No. 1--2, 29--49 (2003; Zbl 1027.35041)
Gasiński, Leszek; Papageorgiou, Nikolaos S. Multiple solutions for semilinear hemivariational inequalities at resonance. (English) Zbl 1012.35017 Publ. Math. Debr. 59, No. 1-2, 121-146 (2001). MSC: 35J20 35J85 PDFBibTeX XMLCite \textit{L. Gasiński} and \textit{N. S. Papageorgiou}, Publ. Math. Debr. 59, No. 1--2, 121--146 (2001; Zbl 1012.35017)
Papageorgiou, Nikolaos S. Identification of parameters in systems governed by nonlinear evolution equations. (English) Zbl 0874.49005 Publ. Math. Debr. 46, No. 3-4, 215-237 (1995). Reviewer: M.Degiovanni (Brescia) MSC: 49J20 49K20 49J52 PDFBibTeX XMLCite \textit{N. S. Papageorgiou}, Publ. Math. Debr. 46, No. 3--4, 215--237 (1995; Zbl 0874.49005)
Papageorgiou, Nikolaos S. On the solution set of nonlinear evolution inclusions depending on a parameter. (English) Zbl 0824.34018 Publ. Math. Debr. 44, No. 1-2, 31-49 (1994). Reviewer: D.Kravvaritis (Athens) MSC: 34A60 34G20 49J20 PDFBibTeX XMLCite \textit{N. S. Papageorgiou}, Publ. Math. Debr. 44, No. 1--2, 31--49 (1994; Zbl 0824.34018)
Papageorgiou, Nikolaos S. Optimal control of nonlinear evolution equations. (English) Zbl 0763.49002 Publ. Math. Debr. 41, No. 1-2, 41-51 (1992). Reviewer: M.Degiovanni (Brescia) MSC: 49J20 PDFBibTeX XMLCite \textit{N. S. Papageorgiou}, Publ. Math. Debr. 41, No. 1--2, 41--51 (1992; Zbl 0763.49002)
Avgerinos, E. P.; Papageorgiou, Nikolaos S. Non-convex perturbations of evolution equations with m-dissipative operators in Banach spaces. (English) Zbl 0734.47045 Publ. Math. Debr. 38, No. 1-2, 93-101 (1991). Reviewer: P.Zabreiko (Minsk) MSC: 47H20 47H06 47H04 PDFBibTeX XMLCite \textit{E. P. Avgerinos} and \textit{N. S. Papageorgiou}, Publ. Math. Debr. 38, No. 1--2, 93--101 (1991; Zbl 0734.47045)