Gol’dshtein, V.; Pchelintsev, V.; Ukhlov, A. Quasiconformal mappings and Neumann eigenvalues of divergent elliptic operators. (English) Zbl 1495.35131 Complex Var. Elliptic Equ. 67, No. 9, 2281-2302 (2022). MSC: 35P05 35J25 30C62 PDFBibTeX XMLCite \textit{V. Gol'dshtein} et al., Complex Var. Elliptic Equ. 67, No. 9, 2281--2302 (2022; Zbl 1495.35131) Full Text: DOI arXiv
Gol’dshtein, Vladimir; Pchelintsev, Valerii; Ukhlov, Alexander Spectral stability estimates of Dirichlet divergence form elliptic operators. (English) Zbl 1472.35254 Anal. Math. Phys. 10, No. 4, Paper No. 74, 24 p. (2020). Reviewer: Denis Borisov (Ufa) MSC: 35P15 46E35 30C62 35J62 PDFBibTeX XMLCite \textit{V. Gol'dshtein} et al., Anal. Math. Phys. 10, No. 4, Paper No. 74, 24 p. (2020; Zbl 1472.35254) Full Text: DOI arXiv
Gol’dshtein, V.; Pchelintsev, V.; Ukhlov, A. On the first eigenvalue of the degenerate \(p\)-Laplace operator in non-convex domains. (English) Zbl 1401.35222 Integral Equations Oper. Theory 90, No. 4, Paper No. 43, 21 p. (2018). MSC: 35P15 46E35 30C65 PDFBibTeX XMLCite \textit{V. Gol'dshtein} et al., Integral Equations Oper. Theory 90, No. 4, Paper No. 43, 21 p. (2018; Zbl 1401.35222) Full Text: DOI arXiv
Gol’dshtein, V.; Pchelintsev, V.; Ukhlov, A. Integral estimates of conformal derivatives and spectral properties of the Neumann-Laplacian. (English) Zbl 1397.30007 J. Math. Anal. Appl. 463, No. 1, 19-39 (2018). Reviewer: Dmitri V. Prokhorov (Saratov) MSC: 30C35 35P15 30C62 PDFBibTeX XMLCite \textit{V. Gol'dshtein} et al., J. Math. Anal. Appl. 463, No. 1, 19--39 (2018; Zbl 1397.30007) Full Text: DOI arXiv
Gol’dshtein, V.; Ukhlov, A. Weak regularity of degenerate elliptic equations. (English) Zbl 1375.35104 Lobachevskii J. Math. 38, No. 2, 262-270 (2017). MSC: 35J05 PDFBibTeX XMLCite \textit{V. Gol'dshtein} and \textit{A. Ukhlov}, Lobachevskii J. Math. 38, No. 2, 262--270 (2017; Zbl 1375.35104) Full Text: DOI
Burenkov, V. I.; Gol’dshtein, V.; Ukhlov, A. Conformal spectral stability estimates for the Neumann Laplacian. (English) Zbl 1355.47010 Math. Nachr. 289, No. 17-18, 2133-2146 (2016). MSC: 47A75 47B25 35J40 35P15 46E35 PDFBibTeX XMLCite \textit{V. I. Burenkov} et al., Math. Nachr. 289, No. 17--18, 2133--2146 (2016; Zbl 1355.47010) Full Text: DOI arXiv
Gol’dshtein, V.; Ukhlov, A. Spectral estimates of the \(p\)-Laplace Neumann operator in conformal regular domains. (English) Zbl 1354.35063 Trans. A. Razmadze Math. Inst. 170, No. 1, 137-148 (2016). MSC: 35P15 46E35 30C35 PDFBibTeX XMLCite \textit{V. Gol'dshtein} and \textit{A. Ukhlov}, Trans. A. Razmadze Math. Inst. 170, No. 1, 137--148 (2016; Zbl 1354.35063) Full Text: DOI arXiv
Gol’dshtein, V.; Ukhlov, A. On the first eigenvalues of free vibrating membranes in conformal regular domains. (English) Zbl 1338.35422 Arch. Ration. Mech. Anal. 221, No. 2, 893-915 (2016). MSC: 35Q74 74K15 35P15 PDFBibTeX XMLCite \textit{V. Gol'dshtein} and \textit{A. Ukhlov}, Arch. Ration. Mech. Anal. 221, No. 2, 893--915 (2016; Zbl 1338.35422) Full Text: DOI arXiv
Burenkov, V. I.; Gol’dshtein, V.; Ukhlov, A. Conformal spectral stability estimates for the Dirichlet Laplacian. (English) Zbl 1330.47058 Math. Nachr. 288, No. 16, 1822-1833 (2015). MSC: 47F05 47A75 47B25 35J40 35P15 PDFBibTeX XMLCite \textit{V. I. Burenkov} et al., Math. Nachr. 288, No. 16, 1822--1833 (2015; Zbl 1330.47058) Full Text: DOI arXiv