Skrypnik, Igor; Yevgenieva, Yevgeniia Harnack inequality for solutions of the \(p(x)\)-Laplace equation under the precise non-logarithmic Zhikov’s conditions. (English) Zbl 07782498 Calc. Var. Partial Differ. Equ. 63, No. 1, Paper No. 7, 29 p. (2024). Reviewer: Vincenzo Vespri (Firenze) MSC: 35B45 35B09 35B40 35B65 35J92 PDFBibTeX XMLCite \textit{I. Skrypnik} and \textit{Y. Yevgenieva}, Calc. Var. Partial Differ. Equ. 63, No. 1, Paper No. 7, 29 p. (2024; Zbl 07782498) Full Text: DOI arXiv OA License
Shan, Maria A.; Skrypnik, Igor I.; Voitovych, Mykhailo V. Harnack’s inequality for quasilinear elliptic equations with generalized Orlicz growth. (English) Zbl 1466.35064 Electron. J. Differ. Equ. 2021, Paper No. 27, 16 p. (2021). MSC: 35B45 35B65 35D30 35J62 49N60 PDFBibTeX XMLCite \textit{M. A. Shan} et al., Electron. J. Differ. Equ. 2021, Paper No. 27, 16 p. (2021; Zbl 1466.35064) Full Text: arXiv Link
Skrypnik, I. I. Regularity of a boundary point for degenerate parabolic equations with measurable coefficients. (English. Russian original) Zbl 0969.35085 Ukr. Math. J. 52, No. 11, 1768-1786 (2000); translation from Ukr. Mat. Zh. 52, No. 11, 1550-1565 (2000). Reviewer: A.N.Kochubei (Kyïv) MSC: 35K65 35D10 PDFBibTeX XMLCite \textit{I. I. Skrypnik}, Ukr. Mat. Zh. 52, No. 11, 1550--1565 (2000; Zbl 0969.35085); translation from Ukr. Mat. Zh. 52, No. 11, 1550--1565 (2000)
Skrypnik, I. I. On regularity of a boundary point for porous medium equation. (Russian) Zbl 0973.35116 Tr. Inst. Prikl. Mat. Mekh. 4, 171-178 (1999). Reviewer: Dmitry V.Larin (Donetsk) MSC: 35K65 35B65 35K60 PDFBibTeX XMLCite \textit{I. I. Skrypnik}, Tr. Inst. Prikl. Mat. Mekh. 4, 171--178 (1999; Zbl 0973.35116)
Leonardi, S.; Skrypnik, I. I. A necessary condition to regularity of a boundary point for a degenerate quasilinear parabolic equation. (English) Zbl 0859.35064 Z. Anal. Anwend. 15, No. 1, 159-180 (1996). Reviewer: M.Korten (Warszawa) MSC: 35K65 35B65 PDFBibTeX XMLCite \textit{S. Leonardi} and \textit{I. I. Skrypnik}, Z. Anal. Anwend. 15, No. 1, 159--180 (1996; Zbl 0859.35064) Full Text: DOI