We prove that if a domain $\Omega$ on the Heisenberg group $\IH\sp{n}$ satisfies the $(\epsilon ,\delta)$ condition then there is a linear bounded extension operator ${\cal E}$ from ${\cal L}\sp{k,p}(\Omega )$ into ${\cal L}\sp{k,p}(\IH\sp{n})$ where $1\le k,\ 1\le p\le\infty$
Let s be the geodesic inversion on a Heisenberg type group N with homogeneous dimension Q, and deno...
Let s be the geodesic inversion on a Heisenberg type group N with homogeneous dimension Q, and deno...
Let £ denote the sub-Laplacian on the Heisenberg group Hm. We prove that eiv£ / (1 - £)a/2 extends t...
summary:Extensions from $H^1(\Omega _P)$ into $H^1(\Omega )$ (where $\Omega _P\subset \Omega $) are...
In terms of application, no area of mathematics is more widely used than partial differential equati...
Let Omega be a domain in {bf R}^n satisfying a cone condition or partialOmegain {rm Lip},1. The auth...
In the present work we will prove that also the Hestenes extension operator and the Stein extension ...
summary:Extensions from $H^1(\Omega _P)$ into $H^1(\Omega )$ (where $\Omega _P\subset \Omega $) are...
summary:Extensions from $H^1(\Omega _P)$ into $H^1(\Omega )$ (where $\Omega _P\subset \Omega $) are...
AbstractThis article is devoted to the construction of a family of universal extension operators for...
In this paper, we establish the existence and continuity of a trace operator for functions of the So...
It is proved that for an arbitrary extension operator T : W-p(m)(-infinity ,0) --> W-p(m)(-infini...
In this paper we apply estimates of the norms of Sobolev extension operators to the spectral estimat...
The object of this paper is to construct extension operators in the Sobolev spaces Hk(]−∞,0]) and Hk...
We prove that Burenkov\u2019s extension operator preserves Sobolev spaces built on generalMorrey spa...
Let s be the geodesic inversion on a Heisenberg type group N with homogeneous dimension Q, and deno...
Let s be the geodesic inversion on a Heisenberg type group N with homogeneous dimension Q, and deno...
Let £ denote the sub-Laplacian on the Heisenberg group Hm. We prove that eiv£ / (1 - £)a/2 extends t...
summary:Extensions from $H^1(\Omega _P)$ into $H^1(\Omega )$ (where $\Omega _P\subset \Omega $) are...
In terms of application, no area of mathematics is more widely used than partial differential equati...
Let Omega be a domain in {bf R}^n satisfying a cone condition or partialOmegain {rm Lip},1. The auth...
In the present work we will prove that also the Hestenes extension operator and the Stein extension ...
summary:Extensions from $H^1(\Omega _P)$ into $H^1(\Omega )$ (where $\Omega _P\subset \Omega $) are...
summary:Extensions from $H^1(\Omega _P)$ into $H^1(\Omega )$ (where $\Omega _P\subset \Omega $) are...
AbstractThis article is devoted to the construction of a family of universal extension operators for...
In this paper, we establish the existence and continuity of a trace operator for functions of the So...
It is proved that for an arbitrary extension operator T : W-p(m)(-infinity ,0) --> W-p(m)(-infini...
In this paper we apply estimates of the norms of Sobolev extension operators to the spectral estimat...
The object of this paper is to construct extension operators in the Sobolev spaces Hk(]−∞,0]) and Hk...
We prove that Burenkov\u2019s extension operator preserves Sobolev spaces built on generalMorrey spa...
Let s be the geodesic inversion on a Heisenberg type group N with homogeneous dimension Q, and deno...
Let s be the geodesic inversion on a Heisenberg type group N with homogeneous dimension Q, and deno...
Let £ denote the sub-Laplacian on the Heisenberg group Hm. We prove that eiv£ / (1 - £)a/2 extends t...