Mathematical Structures: Kleene lattices

[Home]Kleene lattices

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\addtolength{\textwidth}{1in}
\theoremstyle{definition}
\newtheorem{definition}{Definition}
\newtheorem*{morphisms}{Morphisms}
\newtheorem*{basic_results}{Basic Results}
\newtheorem*{examples}{Examples}
\newtheorem{example}{}
\newtheorem*{properties}{Properties}
\newtheorem*{finite_members}{Finite Members}
\newtheorem*{subclasses}{Subclasses}
\newtheorem*{superclasses}{Superclasses}
\newcommand{\abbreviation}[1]{\textbf{Abbreviation: #1}}
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\begin{document}
\textbf{\Large Kleene lattices}
\quad\href{http://math.chapman.edu/cgi-bin/structures?action=edit;id=Kleene_lattices}{edit}

\abbreviation{KLat}
\begin{definition}
A \emph{Kleene lattice} is a structure $\mathbf{A}=\left\langle A,\vee
,\wedge ,0,\cdot ,1,^{\ast }\right\rangle $ of type $\left\langle
2,2,0,2,0,1\right\rangle $ such that


$\left\langle A,\vee ,0,\cdot ,1,^{\ast }\right\rangle $ is a Kleene algebra


$\left\langle A,\vee ,\wedge \right\rangle $ is a lattice

\end{definition}
\begin{morphisms}
Let $\mathbf{A}$ and $\mathbf{B}$ be Kleene lattices. A morphism from $\mathbf{A}$ to $\mathbf{B}$ is a function $h:A\rightarrow B$ that is a
homomorphism:

$h(x\vee y)=h(x)\vee h(y)$, $h(x\wedge y)=h(x)\wedge h(y)\
\mbox{and} h(x\cdot y)=h(x)\cdot h(y)$, $h(x^{\ast
})=h(x)^{\ast }$, $h(0)=0$, $h(1)=1$

\end{morphisms}
\begin{basic_results}
\end{basic_results}
\begin{examples}
\begin{example}
\end{example}
\end{examples}
\begin{table}[h]
\begin{properties} (\href{http://math.chapman.edu/cgi-bin/structures?Properties}{description})

\begin{tabular}{|ll|}\hline
Classtype & Quasivariety\\\hline
Equational theory & \\\hline
Quasiequational theory & Undecidable\\\hline
First-order theory & Undecidable\\\hline
Locally finite & No\\\hline
Residual size & Unbounded\\\hline
Congruence distributive & Yes\\\hline
Congruence modular & Yes\\\hline
Congruence n-permutable & \\\hline
Congruence regular & \\\hline
Congruence uniform & \\\hline
Congruence extension property & \\\hline
Definable principal congruences & \\\hline
Equationally def. pr. cong. & \\\hline
Amalgamation property & \\\hline
Strong amalgamation property & \\\hline
Epimorphisms are surjective & \\\hline
\end{tabular}
\end{properties}
\end{table}
\begin{finite_members} $f(n)=$ number of members of size $n$.

$\begin{array}{lr}
f(1)= &1\\
f(2)= &1\\
f(3)= &3\\
f(4)= &16\\
f(5)= &149\\
f(6)= &1488\\
\end{array}$
\end{finite_members}
\hyperbaseurl{http://math.chapman.edu/structures/files/}
\parskip0pt
\begin{subclasses}\

\href{Action_lattices.pdf}{Action lattices}

\end{subclasses}
\begin{superclasses}\

\href{Kleene_algebras.pdf}{Kleene algebras}

\href{Multiplicative_lattices.pdf}{Multiplicative lattices}

\end{superclasses}

\begin{thebibliography}{10}

\bibitem{Ln19xx}

\end{thebibliography}

\end{document}
%

%


\documentclass[12pt]{amsart}
\usepackage[pdfpagemode=Fullscreen,pdfstartview=FitBH]{hyperref}
\parindent=0pt
\parskip=5pt
\addtolength{\oddsidemargin}{-.5in}
\addtolength{\evensidemargin}{-.5in}
\addtolength{\textwidth}{1in}
\theoremstyle{definition}
\newtheorem{definition}{Definition}
\newtheorem*{morphisms}{Morphisms}
\newtheorem*{basic_results}{Basic Results}
\newtheorem*{examples}{Examples}
\newtheorem{example}{}
\newtheorem*{properties}{Properties}
\newtheorem*{finite_members}{Finite Members}
\newtheorem*{subclasses}{Subclasses}
\newtheorem*{superclasses}{Superclasses}
\newcommand{\abbreviation}[1]{\textbf{Abbreviation: #1}}
\pagestyle{myheadings}\thispagestyle{myheadings}
\markboth{\today}{math.chapman.edu/structures}

\begin{document}
\textbf{\Large Kleene lattices}
\quad\href{http://math.chapman.edu/cgi-bin/structures?action=edit;id=Kleene_lattices}{edit}

\abbreviation{KLat}
\begin{definition}
A \emph{Kleene lattice} is a structure $\mathbf{A}=\left\langle A,\vee
,\wedge ,0,\cdot ,1,^{\ast }\right\rangle $ of type $\left\langle
2,2,0,2,0,1\right\rangle $ such that


$\left\langle A,\vee ,0,\cdot ,1,^{\ast }\right\rangle $ is a Kleene algebra


$\left\langle A,\vee ,\wedge \right\rangle $ is a lattice

\end{definition}
\begin{morphisms}
Let $\mathbf{A}$ and $\mathbf{B}$ be Kleene lattices. A morphism from $\mathbf{A}$ to $\mathbf{B}$ is a function $h:A\rightarrow B$ that is a
homomorphism:

$h(x\vee y)=h(x)\vee h(y)$, $h(x\wedge y)=h(x)\wedge h(y)\
\mbox{and} h(x\cdot y)=h(x)\cdot h(y)$, $h(x^{\ast
})=h(x)^{\ast }$, $h(0)=0$, $h(1)=1$

\end{morphisms}
\begin{basic_results}
\end{basic_results}
\begin{examples}
\begin{example}
\end{example}
\end{examples}
\begin{table}[h]
\begin{properties} (\href{http://math.chapman.edu/cgi-bin/structures?Properties}{description})

\begin{tabular}{|ll|}\hline
Classtype & Quasivariety\\\hline
Equational theory & \\\hline
Quasiequational theory & Undecidable\\\hline
First-order theory & Undecidable\\\hline
Locally finite & No\\\hline
Residual size & Unbounded\\\hline
Congruence distributive & Yes\\\hline
Congruence modular & Yes\\\hline
Congruence n-permutable & \\\hline
Congruence regular & \\\hline
Congruence uniform & \\\hline
Congruence extension property & \\\hline
Definable principal congruences & \\\hline
Equationally def. pr. cong. & \\\hline
Amalgamation property & \\\hline
Strong amalgamation property & \\\hline
Epimorphisms are surjective & \\\hline
\end{tabular}
\end{properties}
\end{table}
\begin{finite_members} $f(n)=$ number of members of size $n$.

$\begin{array}{lr}
f(1)= &1\\
f(2)= &1\\
f(3)= &3\\
f(4)= &16\\
f(5)= &149\\
f(6)= &1488\\
\end{array}$
\end{finite_members}
\hyperbaseurl{http://math.chapman.edu/structures/files/}
\parskip0pt
\begin{subclasses}\

\href{Action_lattices.pdf}{Action lattices}

\end{subclasses}
\begin{superclasses}\

\href{Kleene_algebras.pdf}{Kleene algebras}

\href{Multiplicative_lattices.pdf}{Multiplicative lattices}

\end{superclasses}

\begin{thebibliography}{10}

\bibitem{Ln19xx}

\end{thebibliography}

\end{document}
%


http://mathcs.chapman.edu/structuresold/files/Kleene_lattices.pdf
%%run pdflatex

%


\documentclass[12pt]{amsart}
\usepackage[pdfpagemode=Fullscreen,pdfstartview=FitBH]{hyperref}
\parindent=0pt
\parskip=5pt
\addtolength{\oddsidemargin}{-.5in}
\addtolength{\evensidemargin}{-.5in}
\addtolength{\textwidth}{1in}
\theoremstyle{definition}
\newtheorem{definition}{Definition}
\newtheorem*{morphisms}{Morphisms}
\newtheorem*{basic_results}{Basic Results}
\newtheorem*{examples}{Examples}
\newtheorem{example}{}
\newtheorem*{properties}{Properties}
\newtheorem*{finite_members}{Finite Members}
\newtheorem*{subclasses}{Subclasses}
\newtheorem*{superclasses}{Superclasses}
\newcommand{\abbreviation}[1]{\textbf{Abbreviation: #1}}
\pagestyle{myheadings}\thispagestyle{myheadings}
\markboth{\today}{math.chapman.edu/structures}

\begin{document}
\textbf{\Large Kleene lattices}
\quad\href{http://math.chapman.edu/cgi-bin/structures?action=edit;id=Kleene_lattices}{edit}

\abbreviation{KLat}
\begin{definition}
A \emph{Kleene lattice} is a structure $\mathbf{A}=\left\langle A,\vee
,\wedge ,0,\cdot ,1,^{\ast }\right\rangle $ of type $\left\langle
2,2,0,2,0,1\right\rangle $ such that


$\left\langle A,\vee ,0,\cdot ,1,^{\ast }\right\rangle $ is a Kleene algebra


$\left\langle A,\vee ,\wedge \right\rangle $ is a lattice

\end{definition}
\begin{morphisms}
Let $\mathbf{A}$ and $\mathbf{B}$ be Kleene lattices. A morphism from $\mathbf{A}$ to $\mathbf{B}$ is a function $h:A\rightarrow B$ that is a
homomorphism: 

$h(x\vee y)=h(x)\vee h(y)$, $h(x\wedge y)=h(x)\wedge h(y)\ 
\mbox{and}  h(x\cdot y)=h(x)\cdot h(y)$, $h(x^{\ast
})=h(x)^{\ast }$, $h(0)=0$, $h(1)=1$

\end{morphisms}
\begin{basic_results}
\end{basic_results}
\begin{examples}
\begin{example}
\end{example}
\end{examples}
\begin{table}[h]
\begin{properties} (\href{http://math.chapman.edu/cgi-bin/structures?Properties}{description})

\begin{tabular}{|ll|}\hline
Classtype & Quasivariety\\\hline
Equational theory & \\\hline
Quasiequational theory & Undecidable\\\hline
First-order theory & Undecidable\\\hline
Locally finite & No\\\hline
Residual size & Unbounded\\\hline
Congruence distributive & Yes\\\hline
Congruence modular & Yes\\\hline
Congruence n-permutable & \\\hline
Congruence regular & \\\hline
Congruence uniform & \\\hline
Congruence extension property & \\\hline
Definable principal congruences & \\\hline
Equationally def. pr. cong. & \\\hline
Amalgamation property & \\\hline
Strong amalgamation property & \\\hline
Epimorphisms are surjective & \\\hline
\end{tabular}
\end{properties}
\end{table}
\begin{finite_members} $f(n)=$ number of members of size $n$.

$\begin{array}{lr}
f(1)= &1\\
f(2)= &1\\
f(3)= &3\\
f(4)= &16\\
f(5)= &149\\
f(6)= &1488\\
\end{array}$
\end{finite_members}
\hyperbaseurl{http://math.chapman.edu/structures/files/}
\parskip0pt
\begin{subclasses}\ 

\href{Action_lattices.pdf}{Action lattices} 

\end{subclasses}
\begin{superclasses}\ 

\href{Kleene_algebras.pdf}{Kleene algebras} 

\href{Multiplicative_lattices.pdf}{Multiplicative lattices} 

\end{superclasses}

\begin{thebibliography}{10}

\bibitem{Ln19xx}

\end{thebibliography}

\end{document}
%


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Last edited July 8, 2004 2:47 pm by Jipsen (diff)
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