From 777f9d3fd8caf56e6bc6999a4b05379307d0733f Mon Sep 17 00:00:00 2001 From: Justin Gassner Date: Tue, 12 Sep 2023 07:36:33 +0200 Subject: Initial commit --- pages/distribution-theory/definitions.md | 9 +++++++++ pages/distribution-theory/index.md | 26 ++++++++++++++++++++++++++ pages/distribution-theory/sobolev-theory.md | 9 +++++++++ 3 files changed, 44 insertions(+) create mode 100644 pages/distribution-theory/definitions.md create mode 100644 pages/distribution-theory/index.md create mode 100644 pages/distribution-theory/sobolev-theory.md (limited to 'pages/distribution-theory') diff --git a/pages/distribution-theory/definitions.md b/pages/distribution-theory/definitions.md new file mode 100644 index 0000000..a800e03 --- /dev/null +++ b/pages/distribution-theory/definitions.md @@ -0,0 +1,9 @@ +--- +title: Definitions +parent: Distribution Theory +nav_order: 10 +# cspell:words +published: false +--- + +# {{ page.title }} diff --git a/pages/distribution-theory/index.md b/pages/distribution-theory/index.md new file mode 100644 index 0000000..b4b50a8 --- /dev/null +++ b/pages/distribution-theory/index.md @@ -0,0 +1,26 @@ +--- +title: Distribution Theory +nav_order: 3 +has_children: true +has_toc: false +published: true +--- + +# {{ page.title }} + +As usual, let $\mathcal{S}$ denote the space of Schwartz test functions on $\RR^n$. + +{: .definition-title } +> Definition (Operator Valued Distribution) +> +> Let $\hilb{H}$ be a Hilbert space. +> An *operator valued tempered distribution* $\Phi$ (on $\RR^n$) +> is a mapping that associates to each test function $f \in \mathcal{S}$ +> an unbounded linear operator $\Phi(f)$ in $\hilb{H}$ such that +> {: .mb-0 } +> +> {: .my-0 } +> - there is a dense linear subspace $\mathcal{D}$ of $\hilb{H}$ that +> is contained in the domain of all the $\Phi(f)$ +> - for every fixed pair of vectors $\phi, \psi \in \hilb{D}$ +> the mapping $f \mapsto \innerp{\phi}{\Phi(f) \psi}$ is a tempered distribution. diff --git a/pages/distribution-theory/sobolev-theory.md b/pages/distribution-theory/sobolev-theory.md new file mode 100644 index 0000000..931731f --- /dev/null +++ b/pages/distribution-theory/sobolev-theory.md @@ -0,0 +1,9 @@ +--- +title: Sobolev Theory +parent: Distribution Theory +nav_order: 10 +# cspell:words +published: false +--- + +# {{ page.title }} -- cgit v1.2.3-70-g09d2