Nonsmooth critical point theory and nonlinear elliptic equations at resonance NC Kourogenis, NS Papageorgiou
Journal of the Australian Mathematical Society 69 (2), 245-271, 2000
165 2000 Two nontrivial critical points for nonsmooth functionals via local linking and applications D Kandilakis, NC Kourogenis, NS Papageorgiou
Journal of Global Optimization 34, 219-244, 2006
55 2006 Nonlinear elliptic eigenvalue problems with discontinuities S Hu, NC Kourogenis, NS Papageorgiou
Journal of mathematical analysis and applications 233 (1), 406-424, 1999
29 1999 On the distribution of crop yields: Does the central limit theorem apply? P Koundouri, N Kourogenis
American Journal of Agricultural Economics 93 (5), 1341-1357, 2011
21 2011 Testing for a unit root under errors with just barely infinite variance N Kourogenis, N Pittis
Journal of Time Series Analysis 29 (6), 1066-1087, 2008
21 2008 Time-disaggregated dividend–price ratio and dividend growth predictability in large equity markets P Asimakopoulos, S Asimakopoulos, N Kourogenis, E Tsiritakis
Journal of Financial and Quantitative Analysis 52 (5), 2305-2326, 2017
20 2017 EXTENSI (O) NS () FN () NSMO)() TH (CRITICAL P () INT THEORY AND APPLICATIONS NC Kourogenis, J Papadrianos, NS Papageorgiou
19 2002 Aggregational Gaussianity and barely infinite variance in financial returns A Antypas, P Koundouri, N Kourogenis
Journal of Empirical Finance 20, 102-108, 2013
15 2013 Estimation of conditional asset pricing models with integrated variables in the beta specification A Antypas, GM Caporale, N Kourogenis, N Pittis
Research in International Business and Finance 52, 101148, 2020
14 * 2020 Strongly nonlinear second order differential inclusions with generalized boundary conditions NC Kourogenis
Journal of mathematical analysis and applications 287 (2), 348-364, 2003
14 2003 Nonlinear hemivariational inequalities of second order using the method of upper-lower solutions N Kourogenis, N Papageorgiou
Proceedings of the American Mathematical Society 131 (8), 2359-2369, 2003
11 2003 Three nontrivial solutions for a quasilinear elliptic differential equation at resonance with discontinuous right hand side NC Kourogenis, NS Papageorgiou
Journal of mathematical analysis and applications 238 (2), 477-490, 1999
11 1999 A weak nonsmooth Palais-Smale condition and coercivity NC Kourogenis, NS Papageorgiou
Rendiconti del Circolo Matematico di Palermo 49, 521-526, 2000
10 2000 Open Access in scientific Information: sustainability model and business plan for the infrastructure and organization of OpenAIRE P Koundouri, N Chatzistamoulou, OG Dávila, A Giannouli, N Kourogenis, ...
Journal of Benefit-Cost Analysis 12 (1), 170-198, 2021
9 2021 Existence theorems for elliptic hemivariational inequalities involving the -Laplacian NC Kourogenis, NS Papageorgiou
Abstract and Applied Analysis 7, 259-277, 2002
9 2002 Discontinuous quasilinear elliptic problems at resonance N Kourogenis, N Papageorgiou
Colloquium Mathematicum 78 (2), 213-223, 1998
9 1998 Factor Models of Stock Returns: GARCH Errors versus Time‐Varying Betas P Koundouri, N Kourogenis, N Pittis, P Samartzis
Journal of Forecasting 35 (5), 445-461, 2016
7 2016 Statistical modeling of stock returns: explanatory or descriptive? A historical survey with some methodological reflections P Koundouri, N Kourogenis, N Pittis
Journal of Economic Surveys 30 (1), 149-164, 2016
7 2016 Mixing Conditions, Central Limit Theorems, and Invariance Principles: A Survey of the Literature with Some New Results on Heteroscedastic Sequences N Kourogenis, N Pittis
Econometric Reviews 30 (1), 88-108, 2010
6 2010 Cointegration, variance shifts and the limiting distribution of the OLS estimator N Kourogenis, N Pittis
Economics Letters 99 (1), 103-106, 2008
5 2008