diff options
author | dos-reis <gdr@axiomatics.org> | 2007-08-14 05:14:52 +0000 |
---|---|---|
committer | dos-reis <gdr@axiomatics.org> | 2007-08-14 05:14:52 +0000 |
commit | ab8cc85adde879fb963c94d15675783f2cf4b183 (patch) | |
tree | c202482327f474583b750b2c45dedfc4e4312b1d /src/algebra/tableau.spad.pamphlet | |
download | open-axiom-ab8cc85adde879fb963c94d15675783f2cf4b183.tar.gz |
Initial population.
Diffstat (limited to 'src/algebra/tableau.spad.pamphlet')
-rw-r--r-- | src/algebra/tableau.spad.pamphlet | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/algebra/tableau.spad.pamphlet b/src/algebra/tableau.spad.pamphlet new file mode 100644 index 00000000..baa49c34 --- /dev/null +++ b/src/algebra/tableau.spad.pamphlet @@ -0,0 +1,234 @@ +\documentclass{article} +\usepackage{axiom} +\begin{document} +\title{\$SPAD/src/algebra tableau.spad} +\author{William H. Burge} +\maketitle +\begin{abstract} +\end{abstract} +\eject +\tableofcontents +\eject +\section{domain TABLEAU Tableau} +<<domain TABLEAU Tableau>>= +)abbrev domain TABLEAU Tableau +++ Author: William H. Burge +++ Date Created: 1987 +++ Date Last Updated: 23 Sept 1991 +++ Basic Functions: +++ Related Constructors: +++ Also See: +++ AMS Classifications: +++ Keywords: Young tableau +++ References: +++ Description: +++ The tableau domain is for printing Young tableaux, and +++ coercions to and from List List S where S is a set. +Tableau(S:SetCategory):Exports == Implementation where + ++ The tableau domain is for printing Young tableaux, and + ++ coercions to and from List List S where S is a set. + L ==> List + I ==> Integer + NNI ==> NonNegativeInteger + OUT ==> OutputForm + V ==> Vector + fm==>formMatrix$PrintableForm() + Exports ==> with + tableau : L L S -> % + ++ tableau(ll) converts a list of lists ll to a tableau. + listOfLists : % -> L L S + ++ listOfLists t converts a tableau t to a list of lists. + coerce : % -> OUT + ++ coerce(t) converts a tableau t to an output form. + Implementation ==> add + + Rep := L L S + + tableau(lls:(L L S)) == lls pretend % + listOfLists(x:%):(L L S) == x pretend (L L S) + makeupv : (NNI,L S) -> L OUT + makeupv(n,ls)== + v:=new(n,message " ")$(List OUT) + for i in 1..#ls for s in ls repeat v.i:=box(s::OUT) + v + maketab : L L S -> OUT + maketab lls == + ll : L OUT := + empty? lls => [[empty()]] + sz:NNI:=# first lls + [blankSeparate makeupv(sz,i) for i in lls] + pile ll + + coerce(x:%):OUT == maketab listOfLists x + +@ +\section{package TABLBUMP TableauxBumpers} +<<package TABLBUMP TableauxBumpers>>= +)abbrev package TABLBUMP TableauxBumpers +++ Author: William H. Burge +++ Date Created: 1987 +++ Date Last Updated: 23 Sept 1991 +++ Basic Functions: +++ Related Constructors: +++ Also See: +++ AMS Classifications: +++ Keywords: Young tableau +++ References: +++ Description: +++ TableauBumpers implements the Schenstead-Knuth +++ correspondence between sequences and pairs of Young tableaux. +++ The 2 Young tableaux are represented as a single tableau with +++ pairs as components. +TableauxBumpers(S:OrderedSet):T==C where + L==>List + ST==>Stream + B==>Boolean + ROW==>Record(fs:B,sd:L S,td:L L S) + RC==>Record(f1:L S,f2:L L L S,f3:L L S,f4:L L L S) + PAIR==>L S + T== with + bumprow:((S,S)->B,PAIR,L PAIR)->ROW + ++ bumprow(cf,pr,r) is an auxiliary function which + ++ bumps a row r with a pair pr + ++ using comparison function cf, and returns a record + bumptab:((S,S)->B,PAIR,L L PAIR)->L L PAIR + ++ bumptab(cf,pr,t) bumps a tableau t with a pair pr + ++ using comparison function cf, returning a new tableau + bumptab1:(PAIR,L L PAIR)->L L PAIR + ++ bumptab1(pr,t) bumps a tableau t with a pair pr + ++ using comparison function \spadfun{<}, + ++ returning a new tableau + untab: (L PAIR,L L PAIR)->L PAIR + ++ untab(lp,llp) is an auxiliary function + ++ which unbumps a tableau llp, + ++ using lp to accumulate pairs + bat1:L L PAIR->L PAIR + ++ bat1(llp) unbumps a tableau llp. + ++ Operation bat1 is the inverse of tab1. + bat:Tableau(L S)->L L S + ++ bat(ls) unbumps a tableau ls + tab1:L PAIR->L L PAIR + ++ tab1(lp) creates a tableau from a list of pairs lp + tab:L S->Tableau(L S) + ++ tab(ls) creates a tableau from ls by first creating + ++ a list of pairs using \spadfunFrom{slex}{TableauBumpers}, + ++ then creating a tableau using \spadfunFrom{tab1}{TableauBumpers}. + lex:L PAIR->L PAIR + ++ lex(ls) sorts a list of pairs to lexicographic order + slex:L S->L PAIR + ++ slex(ls) sorts the argument sequence ls, then + ++ zips (see \spadfunFrom{map}{ListFunctions3}) the + ++ original argument sequence with the sorted result to + ++ a list of pairs + inverse:L S->L S + ++ inverse(ls) forms the inverse of a sequence ls + maxrow:(PAIR,L L PAIR,L PAIR,L L PAIR,L L PAIR,L L PAIR)->RC + ++ maxrow(a,b,c,d,e) is an auxiliary function for mr + mr:L L PAIR->RC + ++ mr(t) is an auxiliary function which + ++ finds the position of the maximum element of a tableau t + ++ which is in the lowest row, producing a record of results + C== add + cf:(S,S)->B + bumprow(cf,x:(PAIR),lls:(L PAIR))== + if null lls + then [false,x,[x]]$ROW + else (y:(PAIR):=first lls; + if cf(x.2,y.2) + then [true,[x.1,y.2],cons([y.1,x.2],rest lls)]$ROW + else (rw:ROW:=bumprow(cf,x,rest lls); + [rw.fs,rw.sd,cons(first lls,rw.td)]$ROW )) + + bumptab(cf,x:(PAIR),llls:(L L PAIR))== + if null llls + then [[x]] + else (rw:ROW:= bumprow(cf,x,first llls); + if rw.fs + then cons(rw.td, bumptab(cf,rw.sd,rest llls)) + else cons(rw.td,rest llls)) + + bumptab1(x,llls)==bumptab(#1<#2,x,llls) + + rd==> reduce$StreamFunctions2(PAIR,L L PAIR) + tab1(lls:(L PAIR))== rd([],bumptab1,lls::(ST PAIR)) + + srt==>sort$(PAIR) + lexorder:(PAIR,PAIR)->B + lexorder(p1,p2)==if p1.1=p2.1 then p1.2<p2.2 else p1.1<p2.1 + lex lp==(sort$(L PAIR))(lexorder(#1,#2),lp) + slex ls==lex([[i,j] for i in srt(#1<#2,ls) for j in ls]) + inverse ls==[lss.2 for lss in + lex([[j,i] for i in srt(#1<#2,ls) for j in ls])] + + tab(ls:(PAIR))==(tableau tab1 slex ls ) + + maxrow(n,a,b,c,d,llls)== + if null llls or null(first llls) + then [n,a,b,c]$RC + else (fst:=first first llls;rst:=rest first llls; + if fst.1>n.1 + then maxrow(fst,d,rst,rest llls,cons(first llls,d),rest llls) + else maxrow(n,a,b,c,cons(first llls,d),rest llls)) + + mr llls==maxrow(first first llls,[],rest first llls,rest llls, + [],llls) + + untab(lp, llls)== + if null llls + then lp + else (rc:RC:=mr llls; + rv:=reverse (bumptab(#2<#1,rc.f1,rc.f2)); + untab(cons(first first rv,lp) + ,append(rest rv, + if null rc.f3 + then [] + else cons(rc.f3,rc.f4)))) + + bat1 llls==untab([],[reverse lls for lls in llls]) + bat tb==bat1(listOfLists tb) + +@ +\section{License} +<<license>>= +--Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd. +--All rights reserved. +-- +--Redistribution and use in source and binary forms, with or without +--modification, are permitted provided that the following conditions are +--met: +-- +-- - Redistributions of source code must retain the above copyright +-- notice, this list of conditions and the following disclaimer. +-- +-- - Redistributions in binary form must reproduce the above copyright +-- notice, this list of conditions and the following disclaimer in +-- the documentation and/or other materials provided with the +-- distribution. +-- +-- - Neither the name of The Numerical ALgorithms Group Ltd. nor the +-- names of its contributors may be used to endorse or promote products +-- derived from this software without specific prior written permission. +-- +--THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS +--IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +--TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +--PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER +--OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +--EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +--PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +--PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +--LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +--NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +--SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +@ +<<*>>= +<<license>> + +<<domain TABLEAU Tableau>> +<<package TABLBUMP TableauxBumpers>> +@ +\eject +\begin{thebibliography}{99} +\bibitem{1} nothing +\end{thebibliography} +\end{document} |