ian miguel tjltdcsstandacuk apologies multiple copies call papers reminder please send expressions interest end week constraints journal special issue symmetry constraint programming guest editors ian gent university st andrews uk jeanfrancois puget ilog france barbara smith cork constraint computation centre ireland introduction many constraint satisfaction problems symmetry assignment transformed set symmetrically equivalent assignments symmetries preserve solutions assignment symmetry equivalent class consistent constraints instance many csps variables refer entities indistinguishable values assigned variables interchanged solution symmetry exists csp dealing effectively often critical success solving csp unless done search often thrashes revisiting symmetrically equivalent states csp solving techniques also used solve symmetryrelated problems instance used answer question whether particular search state symmetrically equivalent one already explored constraint programming techniques potential improve existing algorithms solving similar grouptheoretic problems symmetry constraint programming active area research several years much significant work yet appeared journals rectify papers solicited special issue constraints journal papers aspect symmetry constraint programming welcome including symmetry detection exploitation symmetry eg heuristics use symmetry information elimination avoidance symmetry eg remodelling problem adding constraints modifying search algorithm exploitation mathematical techniques group theory applications constraint programming problems symmetry paper submission researchers invited submit original papers make significant contribution field constraintssymmetrydcsstandacuk note usual online submission procedure constraints journal followed initially special issue submissions pdf format follow constraints journal guidelines papers expected 2025 journal pages submitting please use subject constraints special issue paper submission clearly specify email address phone number corresponding author receipt papers acknowledged submissions reviewed least two reviewers accepted papers meet usual highquality standards constraints journal intending authors send expression interest including provisional title list authors sentences outlining topic paper jovbxyccmixhcbusjovdcsstandacuk end june 2006 important dates expression interest end june 2006 submission papers end september 2006 notification acceptance end december 2006 final versions accepted papers end february 2007 expected publication special issue mid2007 special issue homepage httpwwwdcsstandacukipgsymmetry constraints journal homepage httpaiuwaterloocavanbeekconstraintsconstraintshtml thu 07 aug 2008 072653 0100 uai cfp constraints journal special issue symmetry constraint programming