Precup, Radu A critical point theorem in bounded convex sets and localization of Nash-type equilibria of nonvariational systems. (English) Zbl 1388.58008 J. Math. Anal. Appl. 463, No. 1, 412-431 (2018). MSC: 58E05 58E30 49J45 PDFBibTeX XMLCite \textit{R. Precup}, J. Math. Anal. Appl. 463, No. 1, 412--431 (2018; Zbl 1388.58008) Full Text: DOI
Cardinali, Tiziana; Precup, Radu; Rubbioni, Paola A unified existence theory for evolution equations and systems under nonlocal conditions. (English) Zbl 1331.34149 J. Math. Anal. Appl. 432, No. 2, 1039-1057 (2015). Reviewer: Khalil Ezzinbi (Marrakech) MSC: 34K30 34G20 34B10 PDFBibTeX XMLCite \textit{T. Cardinali} et al., J. Math. Anal. Appl. 432, No. 2, 1039--1057 (2015; Zbl 1331.34149) Full Text: DOI arXiv
Precup, Radu Two positive nontrivial solutions for a class of semilinear elliptic variational systems. (English) Zbl 1200.35095 J. Math. Anal. Appl. 373, No. 1, 138-146 (2011). MSC: 35J47 35J57 35J50 35J61 35B09 PDFBibTeX XMLCite \textit{R. Precup}, J. Math. Anal. Appl. 373, No. 1, 138--146 (2011; Zbl 1200.35095) Full Text: DOI
Precup, Radu Existence, localization and multiplicity results for positive radial solutions of semilinear elliptic systems. (English) Zbl 1178.35162 J. Math. Anal. Appl. 352, No. 1, 48-56 (2009). Reviewer: Marlène Frigon (Montréal) MSC: 35J57 35J62 47H10 35B09 35A24 PDFBibTeX XMLCite \textit{R. Precup}, J. Math. Anal. Appl. 352, No. 1, 48--56 (2009; Zbl 1178.35162) Full Text: DOI
Precup, Radu A compression type mountain pass theorem in conical shells. (English) Zbl 1151.58007 J. Math. Anal. Appl. 338, No. 2, 1116-1130 (2008). Reviewer: Luis Sanchez (Lisboa) MSC: 58E05 34B18 PDFBibTeX XMLCite \textit{R. Precup}, J. Math. Anal. Appl. 338, No. 2, 1116--1130 (2008; Zbl 1151.58007) Full Text: DOI
O’Regan, Donal; Precup, Radu Compression-expansion fixed point theorem in two norms and applications. (English) Zbl 1078.47017 J. Math. Anal. Appl. 309, No. 2, 383-391 (2005). Reviewer: Mirosława Zima (Rzeszow) MSC: 47H10 47N20 45G10 47H07 47H30 PDFBibTeX XMLCite \textit{D. O'Regan} and \textit{R. Precup}, J. Math. Anal. Appl. 309, No. 2, 383--391 (2005; Zbl 1078.47017) Full Text: DOI
O’Regan, Donal; Precup, Radu Fixed point theorems for set-valued maps and existence principles for integral inclusions. (English) Zbl 0956.47026 J. Math. Anal. Appl. 245, No. 2, 594-612 (2000). Reviewer: Jürgen Appell (Würzburg) MSC: 47H10 47H30 PDFBibTeX XMLCite \textit{D. O'Regan} and \textit{R. Precup}, J. Math. Anal. Appl. 245, No. 2, 594--612 (2000; Zbl 0956.47026) Full Text: DOI