The Dirichlet Problem for Parabolic Operators with Singular Drift Terms PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download The Dirichlet Problem for Parabolic Operators with Singular Drift Terms PDF full book. Access full book title The Dirichlet Problem for Parabolic Operators with Singular Drift Terms by Steve Hofmann. Download full books in PDF and EPUB format.
Author: Steve Hofmann Publisher: American Mathematical Soc. ISBN: 0821826840 Category : Mathematics Languages : en Pages : 129
Book Description
This memoir considers the Dirichlet problem for parabolic operators in a half space with singular drift terms. Chapter I begins the study of a parabolic PDE modelled on the pullback of the heat equation in certain time varying domains considered by Lewis-Murray and Hofmann-Lewis. Chapter II obtains mutual absolute continuity of parabolic measure and Lebesgue measure on the boundary of this halfspace and also that the $L DEGREESq(R DEGREESn)$ Dirichlet problem for these PDEs has a solution when $q$ is large enough. Chapter III proves an analogue of a theorem of Fefferman, Kenig, and Pipher for certain parabolic PDEs with singular drift terms. Each of the chapters that comprise this memoir has its own numbering system and list
Author: Steve Hofmann Publisher: American Mathematical Soc. ISBN: 0821826840 Category : Mathematics Languages : en Pages : 129
Book Description
This memoir considers the Dirichlet problem for parabolic operators in a half space with singular drift terms. Chapter I begins the study of a parabolic PDE modelled on the pullback of the heat equation in certain time varying domains considered by Lewis-Murray and Hofmann-Lewis. Chapter II obtains mutual absolute continuity of parabolic measure and Lebesgue measure on the boundary of this halfspace and also that the $L DEGREESq(R DEGREESn)$ Dirichlet problem for these PDEs has a solution when $q$ is large enough. Chapter III proves an analogue of a theorem of Fefferman, Kenig, and Pipher for certain parabolic PDEs with singular drift terms. Each of the chapters that comprise this memoir has its own numbering system and list
Author: John E. Gilbert Publisher: American Mathematical Soc. ISBN: 0821827723 Category : Mathematics Languages : en Pages : 89
Book Description
Under minimal assumptions on a function $\psi$ the authors obtain wavelet-type frames of the form $\psi_{j, k}(x) = r DEGREES{(1/2)n j} \psi(r DEGREESj x - sk), j \in \integer, k \in \integer DEGREESn, $ for some $r > 1$ and $s > 0$. This collection is shown to be a frame for a scale of Triebel-Lizorkin spaces (which includes Lebesgue, Sobolev and Hardy spaces) and the reproducing formula converges in norm as well as pointwise a.e. The construction follows from a characterization of those operators which are bounded on a space of smooth molecules. This characterization also allows us to decompose a broad range of singular integral operators in ter
Author: Mikhail Anatolʹevich Lifshit︠s︡ Publisher: American Mathematical Soc. ISBN: 082182791X Category : Computers Languages : en Pages : 103
Book Description
This text considers a specific Volterra integral operator and investigates its degree of compactness in terms of properties of certain kernel functions. In particular, under certain optimal integrability conditions the entropy numbers $e_n(T_{\rho, \psi})$ satisfy $c_1\norm{\rho\psi}_r0$.
Author: William Norrie Everitt Publisher: American Mathematical Soc. ISBN: 0821832352 Category : Mathematics Languages : en Pages : 130
Book Description
This investigation introduces a new description and classification for the set of all self-adjoint operators (not just those defined by differential boundary conditions) which are generated by a linear elliptic partial differential expression $A(\mathbf{x}, D)=\sum_{0\, \leq\, \left s\right \, \leq\,2m}a_{s} (\mathbf{x})D DEGREES{s}\;\text{for all}\;\mathbf{x}\in\Omega$ in a region $\Omega$, with compact closure $\overline{\Omega}$ and $C DEGREES{\infty }$-smooth boundary $\partial\Omega$, in Euclidean space $\mathbb{E} DEGREES{r}$ $(r\geq2).$ The order $2m\geq2$ and the spatial dimensio
Author: Georgios K. Alexopoulos Publisher: American Mathematical Soc. ISBN: 0821827642 Category : Mathematics Languages : en Pages : 119
Book Description
This work is intended for graduate students and research mathematicians interested in topological groups, Lie groups, and harmonic analysis.
Author: Roger Chalkley Publisher: American Mathematical Soc. ISBN: 0821827812 Category : Mathematics Languages : en Pages : 223
Book Description
Given any fixed integer $m \ge 3$, the author presents simple formulas for $m - 2$ algebraically independent polynomials over $\mathbb{Q}$ having the remarkable property, with respect to transformations of homogeneous linear differential equations of order $m$, that each polynomial is both a semi-invariant of the first kind (with respect to changes of the dependent variable) and a semi-invariant of the second kind (with respect to changes of the independent variable). These relative invariants are suitable for global studies in several different contexts and do not require Laguerre-Forsyth reductions for their evaluation. In contrast, all of the general formulas for basic relative invariants that have been proposed by other researchers during the last 113 years are merely local ones that are either much too complicated or require a Laguerre-Forsyth reduction for each evaluation.
Author: Heng Sun Publisher: American Mathematical Soc. ISBN: 0821827758 Category : Mathematics Languages : en Pages : 79
Book Description
Let $F$ be a number field and ${\bf A}$ the ring of adeles over $F$. Suppose $\overline{G({\bf A})}$ is a metaplectic cover of $G({\bf A})=GL(r, {\bf A})$ which is given by the $n$-th Hilbert symbol on ${\bf A}$
Author: Armand Borel Publisher: American Mathematical Soc. ISBN: 0821827928 Category : Mathematics Languages : en Pages : 153
Book Description
This text describes the components of the moduli space of conjugacy classes of commuting pairs and triples of elements in a compact Lie group. This description is in the extended Dynkin diagram of the simply connected cover, together with the co-root integers and the action of the fundamental group. In the case of three commuting elements, we compute Chern-Simons invariants associated to the corresponding flat bundles over the three-torus, and verify a conjecture of Witten which reveals a surprising symmetry involving the Chern-Simons invariants and the dimensions of the components of the moduli space.
Author: Peter Niemann Publisher: American Mathematical Soc. ISBN: 0821828886 Category : Mathematics Languages : en Pages : 137
Book Description
Starting from Borcherds' fake monster Lie algebra, this text construct a sequence of six generalized Kac-Moody algebras whose denominator formulas, root systems and all root multiplicities can be described explicitly. The root systems decompose space into convex holes, of finite and affine type, similar to the situation in the case of the Leech lattice. As a corollary, we obtain strong upper bounds for the root multiplicities of a number of hyperbolic Lie algebras, including $AE_3$.
Author: Steve Hofmann
Author: Steve Hofmann
Author: John E. Gilbert
Author: Mikhail Anatolʹevich Lifshit︠s︡
Author: William Norrie Everitt
Author: Georgios K. Alexopoulos
Author: Victor Lenard Shapiro
Author: Roger Chalkley
Author: Heng Sun
Author: Armand Borel
Author: Peter Niemann