By Catherine Bandle, Vitaly Moroz (auth.), Ari Laptev (eds.)
International Mathematical sequence quantity 12
Around the examine of Vladimir Maz'ya II
Partial Differential Equations
Edited by way of Ari Laptev
Numerous influential contributions of Vladimir Maz'ya to PDEs are concerning diversified parts. particularly, the subsequent themes, with regards to the clinical pursuits of V. Maz'ya are mentioned: semilinear elliptic equation with an exponential nonlinearity resolvents, eigenvalues, and eigenfunctions of elliptic operators in perturbed domain names, homogenization, asymptotics for the Laplace-Dirichlet equation in a perturbed polygonal area, the Navier-Stokes equation on Lipschitz domain names in Riemannian manifolds, nondegenerate quasilinear subelliptic equations of p-Laplacian style, singular perturbations of elliptic structures, elliptic inequalities on Riemannian manifolds, polynomial recommendations to the Dirichlet challenge, the 1st Neumann eigenvalues for a conformal type of Riemannian metrics, the boundary regularity for quasilinear equations, the matter on a gentle move over a two-dimensional hindrance, the good posedness and asymptotics for the Stokes equation, imperative equations for harmonic unmarried layer power in domain names with cusps, the Stokes equations in a convex polyhedron, periodic scattering difficulties, the Neumann challenge for 4th order differential operators.
Contributors comprise: Catherine Bandle (Switzerland), Vitaly Moroz (UK), and Wolfgang Reichel (Germany); Gerassimos Barbatis (Greece), Victor I. Burenkov (Italy), and Pier Domenico Lamberti (Italy); Grigori Chechkin (Russia); Monique Dauge (France), Sebastien Tordeux (France), and Gregory Vial (France); Martin Dindos (UK); Andras Domokos (USA) and Juan J. Manfredi (USA); Yuri V. Egorov (France), Nicolas Meunier (France), and Evariste Sanchez-Palencia (France); Alexander Grigor'yan (Germany) and Vladimir A. Kondratiev (Russia); Dmitry Khavinson (USA) and Nikos Stylianopoulos (Cyprus); Gerasim Kokarev (UK) and Nikolai Nadirashvili (France); Vitali Liskevich (UK) and Igor I. Skrypnik (Ukraine); Oleg Motygin (Russia) and Nikolay Kuznetsov (Russia); Grigory P. Panasenko (France) and Ruxandra Stavre (Romania); Sergei V. Poborchi (Russia); Jurgen Rossmann (Germany); Gunther Schmidt (Germany); Gregory C. Verchota (USA).
Imperial university London (UK) and
Royal Institute of expertise (Sweden)
Ari Laptev is a world-recognized professional in Spectral concept of
Differential Operators. he's the President of the ecu Mathematical
Society for the interval 2007- 2010.
Sobolev Institute of arithmetic SB RAS (Russia)
and an self sufficient publisher
Editors and Authors are completely invited to give a contribution to volumes highlighting
recent advances in a variety of fields of arithmetic through the sequence Editor and a founder
of the IMS Tamara Rozhkovskaya.
Cover snapshot: Vladimir Maz'ya
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Extra resources for Around the Research of Vladimir Maz'ya II: Partial Differential Equations
Appl. 110, 55–67 (1999) 6. : Critical Hardy-Sobolev inequalities. J. Math. Pures Appl. 87, 37–56 (2007) 7. : On solutions of ∆u = f (u). Commun. Pure Appl. Math. 10, 503–510 (1957) 8. : On the best constant for Hardy’s inequality in Rn . Trans. Am. Math. Soc. 350, 3237–3255 (1998) 9. : Sobolev Spaces. Springer, Berlin etc. (1985) 10. : On the inequality ∆u f (u). Pacific J. Math. 7, 1641–1647 (1957) 11. : Singular Integrals and Differentiability Properties of Functions. Princeton Univ. Press, Princeton, NJ (1970) Stability Estimates for Resolvents, Eigenvalues, and Eigenfunctions of Elliptic Operators on Variable Domains Gerassimos Barbatis, Victor I.
1). We recall that F = T T ∗ and set FS = S T T ∗ S 1/2 . Then, by polar decomposition, there exist partial isometries Y, YS : L2 (Ω, g dx) → (L2 (Ω, g dx))N such that T = F 1/2 Y and S 1/2 T = 1/2 FS YS . We have 1/2 1/2 B = YS∗ FS (FS − ξ)−1 S 1/2 (S −1 − I)(F − ξ)−1 F 1/2 Y . Hence, by the H¨older inequality for the Schatten norms (cf. [22, p. 41]), it follows that B Cα 1/2 FS (FS − ξ)−1 C 2α S 1/2 (S −1 − I) L∞ (Ω) (F − ξ)−1 F 1/2 C 2α . 17) 2α . Now, it is easy to see that |S −1 − I| |(w2 − 1)a1/2 a−1 a1/2 | + |a1/2 (a−1 − a−1 )a1/2 | c(|∇φ − ∇φ| + |A ◦ φ − A ◦ φ|).
2. Let (A) be satisfied. 5) λn [E]=0 for E = L, L, L, H, H, T ∗ ST , where c depends only on N , τ , and θ. Proof. 5) only for E = T ∗ ST , the other cases being similar. Note that the Rayleigh quotient corresponding to T ∗ ST is given by T ∗ ST u, u u, u g = g ST u, T u u, u g (a∇u · ∇u)gdx = Ω , u ∈ V. 6) and using the Min-Max Principle [11, p. 5]. 3) (cf. ). We denote by σ(E) the spectrum of an operator E. 32 G. Barbatis et al. 1. Let (A) be satisfied. 1) where A1 = (1 − w)(wT ∗ ST w − ξ)−1 , A2 = w(wT ∗ ST w − ξ)−1 (1 − w), A3 = −ξ(T ∗ ST − ξ)−1 (w − w−1 )(wT ∗ ST w − ξ)−1 w, B = T ∗ S 1/2 (S 1/2 T T ∗ S 1/2 − ξ)−1 S 1/2 (S −1 − I)(T T ∗ − ξ)−1 T .
Around the Research of Vladimir Maz'ya II: Partial Differential Equations by Catherine Bandle, Vitaly Moroz (auth.), Ari Laptev (eds.)