Introduction |
Description and Properties of Multipliers / Part I: |
Trace Inequalities for Functions in Sobolev Spaces / 1: |
Trace Inequalities for Functions in <$>w_1^m<$> and <$>W_1^m<$> / 1.1: |
The Case m = 1 / 1.1.1: |
The Case m ≥ 1 / 1.1.2: |
Trace Inequalities for Functions in <$>w_p^m<$> and <$>W_p^m<$>, p > 1 / 1.2: |
Preliminaries / 1.2.1: |
The (p, m)-Capacity / 1.2.2: |
Estimate for the Integral of Capacity of a Set Bounded by a Level Surface / 1.2.3: |
Estimates for Constants in Trace Inequalities / 1.2.4: |
Other Criteria for the Trace Inequality (1.2.29) with p > 1 / 1.2.5: |
The Fefferman and Phong Sufficient Condition / 1.2.6: |
Estimate for the Lq-Norm with respect to an Arbitrary Measure / 1.3: |
The case 1 ≤ p < q / 1.3.1: |
The case q < p ≤ n/m / 1.3.2: |
Multipliers in Pairs of Sobolev Spaces / 2: |
Characterization of the Space <$>M(W_1^m \to W_1^l)<$> / 2.1: |
Characterization of the Space <$>M(W_p^m \to W_p^l)<$> for p > 1 / 2.3: |
Another Characterization of the Space <$>M(W_p^m \to W_p^l)<$> for 0 < l < m, pm ≤ n, p > 1 / 2.3.1: |
Characterization of the Space <$>M(W_p^m \to W_p^l)<$> for pm > n, p > 1 / 2.3.2: |
One-Sided Estimates for Norms of Multipliers in the Case pm ≤ n / 2.3.3: |
Examples of Multipliers / 2.3.4: |
The Space <$>M(W_p^m\left( {\op R}_+^n \right) \to W_p^l({\op R}_+^n))<$> / 2.4: |
Extension from a Half-Space / 2.4.1: |
The Case p > 1 / 2.4.2: |
The Case p = 1 / 2.4.3: |
The Space <$>M(W_p^m \to W_p^{-k})<$> / 2.5: |
The Space <$>M(W_p^m \to W_q^l)<$> / 2.6: |
Certain Properties of Multipliers / 2.7: |
The Space <$>M(w_p^m \to w_p^l)<$> / 2.8: |
Multipliers in Spaces of Functions with Bounded Variation / 2.9: |
The Spaces Mbv and MBV / 2.9.1: |
Multipliers in Pairs of Potential Spaces / 3: |
Trace Inequality for Bessel and Riesz Potential Spaces / 3.1: |
Properties of Bessel Potential Spaces / 3.1.1: |
Properties of the (p, m)-Capacity / 3.1.2: |
Main Result / 3.1.3: |
Description of <$>M(H_p^m \to H_p^l)<$> / 3.2: |
Auxiliary Assertions / 3.2.1: |
Imbedding of <$>M(H_p^m \to H_p^l)<$> into <$>M(H_p^{m-l} \to L_p)<$> / 3.2.2: |
Estimates for Derivatives of a Multiplier / 3.2.3: |
Multiplicative Inequality for the Strichartz Function / 3.2.4: |
Auxiliary Properties of the Bessel Kernel Gl / 3.2.5: |
Upper Bound for the Norm of a Multiplier / 3.2.6: |
Lower Bound for the Norm of a Multiplier / 3.2.7: |
Description of the Space <$>M(H_p^m \to H_p^l)<$> / 3.2.8: |
Equivalent Norm in <$>M(H_p^m \to H_p^l)<$> Involving the Norm in Lmp/(m-l) / 3.2.9: |
Characterization of <$>M(H_p^m \to H_p^l)<$>, m > l, Involving the Norm in L1,unif / 3.2.10: |
The Space <$>M(H_p^m \to H_p^l)<$> for mp > n / 3.2.11: |
One-Sided Estimates for the Norm in <$>M(H_p^m \to H_p^l)<$> / 3.3: |
Lower Estimate for the Norm in <$>M(H_p^m \to H_p^l)<$> Involving Morrey Type Norms / 3.3.1: |
Upper Estimate for the Norm in <$>M(H_p^m \to H_p^l)<$> Involving Marcinkiewicz Type Norms / 3.3.2: |
Upper Estimates for the Norm in <$>M(H_p^m \to H_p^l)<$> Involving Norms in <$>H_{n/m}^l<$> / 3.3.3: |
Upper Estimates for the Norm in <$>M(H_p^m \to H_p^l)<$> by Norms in Besov Spaces / 3.4: |
Properties of the Space <$>B_{q,\infty}^{\mu}<$> / 3.4.1: |
Estimates for the Norm in <$>M(H_p^m \to H_p^l)<$> by the Norm in <$>B_{q,\infty}^{\mu}<$> / 3.4.3: |
Estimate for the Norm of a Multiplier in <$>MH_p^l({\op R}^1)<$> by the q-Variation / 3.4.4: |
Miscellaneous Properties of Multipliers in <$>M(H_p^m \to H_p^l)<$> / 3.5: |
Spectrum of Multipliers in <$>H_p^l<$> and <$>H_{p^\prime}^{-l}<$> / 3.6: |
Preliminary Information / 3.6.1: |
Facts from Nonlinear Potential Theory / 3.6.2: |
Main Theorem / 3.6.3: |
Proof of Theorem 3.6.1 / 3.6.4: |
The Space <$>M(h_p^m \to h_p^l)<$> / 3.7: |
Positive Homogeneous Multipliers / 3.8: |
The Space <$>M(H_p^m(\partial{\cal B}_1) \to H_p^l(\partial{\cal B}_1))<$> / 3.8.1: |
Other Normalizations of the Spaces <$>h_p^m<$> and <$>H_p^m<$> / 3.8.2: |
Positive Homogeneous Elements of the Spaces <$>M(h_p^m \to h_p^l)<$> and <$>M(H_p^m \to H_p^l)<$> / 3.8.3: |
The Space <$>M(B_p^m \to B_p^l)<$> with p > 1 / 4: |
Properties of Besov Spaces / 4.1: |
Survey of Known Results / 4.2.1: |
Properties of the Operators <$>{\cal D}_{p,l}<$> and Dp,l / 4.2.2: |
Pointwise Estimate for Bessel Potentials / 4.2.3: |
Proof of Theorem 4.1.1 / 4.3: |
Estimate for the Product of First Differences / 4.3.1: |
Trace Inequality for <$>B_p^k<$>, p > 1 / 4.3.2: |
Auxiliary Assertions Concerning <$>M(B_p^m \to B_p^l)<$> / 4.3.3: |
Lower Estimates for the Norm in <$>M(B_p^m \to B_p^l)<$> / 4.3.4: |
Proof of Necessity in Theorem 4.1.1 / 4.3.5: |
Proof of Sufficiency in Theorem 4.1.1 / 4.3.6: |
The Case mp > n / 4.3.7: |
Lower and Upper Estimates for the Norm in <$>M(B_p^m \to B_p^l)<$> / 4.3.8: |
Sufficient Conditions for Inclusion into <$>M(W_p^m \to W_p^l)<$> with Noninteger m and l / 4.4: |
Conditions Involving the Space <$>B_{q,\infty}^{\mu}<$> / 4.4.1: |
Conditions Involving the Fourier Transform / 4.4.2: |
Conditions Involving the Space <$>B_{q,p}^l<$> / 4.4.3: |
Conditions Involving the Space <$>H_{n/m}^l<$> / 4.5: |
Composition Operator on <$>M(W_p^m \to W_p^l)<$> / 4.6: |
The Space <$>M(B_1^m \to B_1^l)<$> / 5: |
Trace Inequality for Functions in <$>B_1^l({\op R}^n)<$> / 5.1: |
Auxiliary Facts / 5.1.1: |
Properties of Functions in the Space <$>B_1^k({\op R}^n)<$> / 5.1.2: |
Trace and Imbedding Properties / 5.2.1: |
Auxiliary Estimates for the Poisson Operator / 5.2.2: |
Descriptions of <$>M(B_1^m \to B_1^l)<$> with Integer l / 5.3: |
A Norm in <$>M(B_1^m \to B_1^l)<$> / 5.3.1: |
Description of <$>M(B_1^m \to B_1^l)<$> Involving <$>{\cal D}_{1,l}<$> / 5.3.2: |
<$>M(B_1^m({\op R}^n) \to B_1^l({\op R}^n))<$> as the Space of Traces / 5.3.3: |
Interpolation Inequality for Multipliers / 5.3.4: |
Description of the Space <$>M(B_1^m \to B_1^l)<$> with Noninteger l / 5.4: |
Further Results on Multipliers in Besov and Other Function Spaces / 5.5: |
Peetre's Imbedding Theorem / 5.5.1: |
Related Results on Multipliers in Besov and Triebel-Lizorkin Spaces / 5.5.2: |
Multipliers in BMO / 5.5.3: |
Maximal Algebras in Spaces of Multipliers / 6: |
Pointwise Interpolation Inequalities for Derivatives / 6.1: |
Inequalities Involving Derivatives of Integer Order / 6.2.1: |
Inequalities Involving Derivatives of Fractional Order / 6.2.2: |
Maximal Banach Algebra in <$>M(W_p^m \to W_p^l)<$> / 6.3: |
Maximal Banach Algebra in <$>M(W_1^m \to W_1^l)<$> / 6.3.1: |
Maximal Algebra in Spaces of Bessel Potentials / 6.4: |
Pointwise Inequalities Involving the Strichartz Function / 6.4.1: |
Banach Algebra <$>{\cal A}_p^{m,l}<$> / 6.4.2: |
Imbeddings ofMaximal Algebras / 6.5: |
Essential Norm and Compactness of Multipliers / 7: |
Two-Sided Estimates for the Essential Norm. The Case m > l / 7.1: |
Estimates Involving Cutoff Functions / 7.2.1: |
Estimate Involving Capacity (The Case mp < n, p > 1) / 7.2.2: |
Estimates Involving Capacity (The Case mp = n, p > 1) / 7.2.3: |
Proof of Theorem 7.0.3 / 7.2.4: |
Sharpening of the Lower Bound for the Essential Norm in the Case m > l, mp ≤ n, p > 1 / 7.2.5: |
Estimates of the Essential Norm for mp > n, p > 1 and for p = 1 / 7.2.6: |
One-Sided Estimates for the Essential Norm / 7.2.7: |
The Space of Compact Multipliers / 7.2.8: |
Two-Sided Estimates for the Essential Norm in the Case m = l / 7.3: |
Estimate for the Maximum Modulus of a Multiplier in <$>W_p^l<$> by its Essential Norm / 7.3.1: |
Estimates for the Essential Norm Involving Cutoff Functions (The Case lp ≤ n, p > 1) / 7.3.2: |
Estimates for the Essential Norm Involving Capacity (The Case lp ≤ n, p > 1) / 7.3.3: |
Two-Sided Estimates for the Essential Norm in the Cases lp > n, p > 1, and p =1 / 7.3.4: |
Essential Norm in <$>\ring M W_p^l<$> / 7.3.5: |
Traces and Extensions of Multipliers / 8: |
Multipliers in Pairs of Weighted Sobolev Spaces in <$>{\op R}_+^n<$> / 8.1: |
Characterization of <$>M(W_p^{t,\beta} \to W_p^{s,\alpha})<$> / 8.3: |
Auxiliary Estimates for an Extension Operator / 8.4: |
Pointwise Estimates for Tγ and ∇Tγ / 8.4.1: |
Weighted Lp-Estimates for Tγ and ∇Tγ / 8.4.2: |
Trace Theorem for the Space <$>M(W_p^{t,\beta} \to W_p^{s,\alpha})<$> / 8.5: |
The Case l < 1 / 8.5.1: |
The Case l > 1 / 8.5.2: |
Proof of Theorem 8.5.1 for l > 1 / 8.5.3: |
Traces of Multipliers on the Smooth Boundary of a Domain / 8.6: |
<$>MW_p^l({\op R}^n)<$> as the Space of Traces of Multipliers in the Weighted Sobolev Space <$>W_{p,\beta}^k({\op R}^{n+m})<$> / 8.7: |
A Property of Extension Operator / 8.7.1: |
Trace and Extension Theorem for Multipliers / 8.7.3: |
Extension of Multipliers from <$>{\op R}^n<$> to <$>{\op R}_+^{n+1}<$> / 8.7.4: |
Application to the First Boundary Value Problem in a Half-Space / 8.7.5: |
Traces of Functions in <$>MW_p^l({\op R}^{n+m})<$> on <$>{\op R}^n / 8.8: |
Trace and Extension Theorem / 8.8.1: |
Multipliers in the Space of Bessel Potentials as Traces of Multipliers / 8.9: |
Bessel Potentials as Traces / 8.9.1: |
An Auxiliary Estimate for the Extension Operator <$>{\cal T}<$> / 8.9.2: |
<$>MH_p^l<$> as a Space of Traces / 8.9.3: |
Sobolev Multipliers in a Domain, Multiplier Mappings and Manifolds / 9: |
Multipliers in a Special Lipschitz Domain / 9.1: |
Special Lipschitz Domains / 9.1.1: |
Description of the Space of Multipliers / 9.1.2: |
Extension of Multipliers to the Complement of a Special Lipschitz Domain / 9.2: |
Multipliers in a Bounded Domain / 9.3: |
Domains with Boundary in the Class C0,1 / 9.3.1: |
Description of Spaces of Multipliers in a Bounded Domain with Boundary in the Class C0,1 / 9.3.2: |
Essential Norm and Compact Multipliers in a Bounded Lipschitz Domain / 9.3.4: |
The Space <$>ML_p^1(\Omega)<$> for an Arbitrary Bounded Domain / 9.3.5: |
Change of Variables in Norms of Sobolev Spaces / 9.4: |
(p, l)-Diffeomorphisms / 9.4.1: |
More on (p, l)-Diffeomorphisms / 9.4.2: |
A Particular (p, l)-Diffeomorphism / 9.4.3: |
(p, l)-Manifolds / 9.4.4: |
Mappings <$>T_p^{m,l}<$> of One Sobolev Space into Another / 9.4.5: |
Implicit Function Theorems / 9.5: |
The Space <$>M(\ring {W}_p^m(\Omega) \to W_p^l(\Omega))<$> / 9.6: |
Auxiliary Results / 9.6.1: |
Description of the Space <$>M(\ring {W}_p^m(\Omega) \to W_p^l(\Omega))<$> / 9.6.2: |
Applications of Multipliers to Differential and Integral Operators / Part II: |
Differential Operators in Pairs of Sobolev Spaces / 10: |
The Norm of a Differential Operator: <$>W_p^h \to W_p^{h-k}<$> / 10.1: |
Coefficients of Operators Mapping <$>W_p^h<$> into <$>W_p^{h-k}<$> as Multipliers / 10.1.1: |
A Counterexample / 10.1.2: |
Operators with Coefficients Independent of Some Variables / 10.1.3: |
Differential Operators on a Domain / 10.1.4: |
Essential Norm of a Differential Operator / 10.2: |
Fredholm Property of the Schrödinger Operator / 10.3: |
Domination of Differential Operators in <$>{\op R}^n<$> / 10.4: |
Schrödinger Operator and <$>M (w_2^1 \to w_2^{-1})<$> / 11: |
Characterization of <$>M(w_2^1 \to w_2^{-1})<$> and the Schrödinger Operator on <$>w_2^1<$> / 11.1: |
A Compactness Criterion / 11.3: |
Characterization of <$>M (W_2^1 \to W_2^{-1})<$> / 11.4: |
Characterization of the Space <$>M(\ring {w}_2^1 (\Omega) \to w_2^{-1}(\Omega))<$> / 11.5: |
Second-Order Differential Operators Acting from <$>w_2^1<$> to <$>w_2^{-1}<$> / 11.6: |
Relativistic Schrödinger Operator and <$>M(W_2^{1/2} \to W_2^{-1/2})<$> / 12: |
Corollaries of the Form Boundedness Criterion and Related Results / 12.1: |
Multipliers as Solutions to Elliptic Equations / 13: |
The Dirichlet Problem for the Linear Second-Order Elliptic Equation in the Space of Multipliers / 13.1: |
Bounded Solutions of Linear Elliptic Equations as Multipliers / 13.2: |
The Case β > 1 / 13.2.1: |
The Case β = 1 / 13.2.3: |
Solutions as Multipliers from <$>W_{2, w(\rho)}^1 (\Omega)<$> into <$>W_{2,1}^1 (\Omega)<$> / 13.2.4: |
Solvability of Quasilinear Elliptic Equations in Spaces of Multipliers / 13.3: |
Scalar Equations in Divergence Form / 13.3.1: |
Systems in Divergence Form / 13.3.2: |
Dirichlet Problem for Quasilinear Equations in Divergence Form / 13.3.3: |
Dirichlet Problem for Quasilinear Equations in Nondivergence Form / 13.3.4: |
Coercive Estimates for Solutions of Elliptic equations in Spaces of Multipliers / 13.4: |
The Case of Operators in <$>{\op R}^n<$> / 13.4.1: |
Boundary Value Problem in a Half-Space / 13.4.2: |
On the L∞-Norm in the Coercive Estimate / 13.4.3: |
Smoothness of Solutions to Higher Order Elliptic Semilinear Systems / 13.5: |
Composition Operator in Classes of Multipliers / 13.5.1: |
Improvement of Smoothness of Solutions to Elliptic Semilinear Systems / 13.5.2: |
Regularity of the Boundary in Lp-Theory of Elliptic Boundary Value Problems / 14: |
Description of Results / 14.1: |
Change of Variables in Differential Operators / 14.2: |
Fredholm Property of the Elliptic Boundary Value Problem / 14.3: |
Boundaries in the Classes <$>M_p^{l-1/p}<$>, <$>W_p^{l-1/p}<$>, and <$>M_p^{l-1/p}(\delta)<$> / 14.3.1: |
A Priori Lp-Estimate for Solutions and Other Properties of the Elliptic Boundary Value Problem / 14.3.2: |
Some Properties of the Operator <$>{\cal T}<$> / 14.4: |
Properties of the Mappings λ and ?> / 14.4.2: |
Invariance of the Space <$>W_p^l \cap \ring {W}_p^h<$> Under a Change of Variables / 14.4.3: |
The Space <$>W_p^{-k}<$> for a Special Lipschitz Domain / 14.4.4: |
Auxiliary Assertions on Differential Operators in Divergence Form / 14.4.5: |
Solvability of the Dirichlet Problem in <$>W_p^l(\Omega)<$> / 14.5: |
Generalized Formulation of the Dirichlet Problem / 14.5.1: |
A Priori Estimate for Solutions of the Generalized Dirichlet Problem / 14.5.2: |
Solvability of the Generalized Dirichlet Problem / 14.5.3: |
The Dirichlet Problem Formulated in Terms of Traces / 14.5.4: |
Necessity ofAssumptions on the Domain / 14.6: |
A Domain Whose Boundary is in <$>M_2^{3/2} \cap C^1<$> but does not Belong to <$>M_2^{3/2} (\delta)<$> / 14.6.1: |
Necessary Conditions for Solvability of the Dirichlet Problem / 14.6.2: |
Boundaries of the Class <$>M_p^{l-1/p} (\delta)<$> / 14.6.3: |
Local Characterization of <$>M_p^{l-1/p} (\delta)<$> / 14.7: |
Estimates for a Cutoff Function / 14.7.1: |
Description of <$>M_p^{l-1/p} (\delta)<$> Involving a Cutoff Function / 14.7.2: |
Estimate for s1 / 14.7.3: |
Estimate for s2 / 14.7.4: |
Estimate for s3 / 14.7.5: |
Multipliers in the Classical Layer Potential Theory for Lipschitz Domains / 15: |
Solvability of Boundary Value Problems in Weighted Sobolev Spaces / 15.1: |
(p, k, α)-Diffeomorphisms / 15.2.1: |
Weak Solvability of the Dirichlet Problem / 15.2.2: |
Continuity Properties of Boundary Integral Operators / 15.2.3: |
Proof of Theorems 15.1.1 and 15.1.2 / 15.4: |
Proof of Theorem 15.1.1 / 15.4.1: |
Proof of Theorem 15.1.2 / 15.4.2: |
Properties of Surfaces in the Class <$>M_p^{\ell}(\delta)<$> / 15.5: |
Sharpness of Conditions Imposed on &partial;Ω / 15.6: |
Necessity of the Inclusion <$>\partial \Omega \in W_p^{\ell}<$> in Theorem 15.2.1 / 15.6.1: |
Sharpness of the Condition <$>\partial \Omega \in B_{\infty,p}^{\ell}<$> / 15.6.2: |
Sharpness of the Condition <$>\partial \Omega \in M_p^{\ell} (\delta)<$> in Theorem 15.2.1 / 15.6.3: |
Sharpness of the Condition <$>\partial \Omega \in M_p^{\ell}(\delta)<$> in Theorem 15.1.1 / 15.6.4: |
Extension to Boundary Integral Equations of Elasticity / 15.7: |
Applications of Multipliers to the Theory of Integral Operators / 16: |
Convolution Operator in Weighted L2-Spaces / 16.1: |
Calculus of Singular Integral Operators with Symbols in Spaces of Multipliers / 16.2: |
Continuity in Sobolev Spaces of Singular Integral Operators with Symbols Depending on x / 16.3: |
Function Spaces / 16.3.1: |
Description of the Space M(Hm,μ → Hl,μ) / 16.3.2: |
Corollaries / 16.3.3: |
References |
List of Symbols |
Author and Subject Index |