LEADER 03091nam 2200589 450 001 9910817172603321 005 20180731044130.0 010 $a0-8218-7852-2 010 $a0-8218-5598-0 035 $a(CKB)3240000000069789 035 $a(EBL)3112865 035 $a(SSID)ssj0000850322 035 $a(PQKBManifestationID)11455560 035 $a(PQKBTitleCode)TC0000850322 035 $a(PQKBWorkID)10832294 035 $a(PQKB)10850953 035 $a(MiAaPQ)EBC3112865 035 $a(WaSeSS)Ind00039275 035 $a(RPAM)12030474 035 $a(PPN)197105882 035 $a(EXLCZ)993240000000069789 100 $a20000605h20002000 uy| 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 00$aCrystallographic groups and their generalizations $eworkshop, Katholieke Universiteit Leuven Campus Kortrijk, Belgium, May 26-28, 1999 /$fPaul Igodt [and three others], editors 210 1$aProvidence, Rhode Island :$cAmerican Mathematical Society,$d[2000] 210 4$dİ2000 215 $a1 online resource (330 p.) 225 1 $aContemporary mathematics,$x0271-4132 ;$v262 300 $aDescription based upon print version of record. 311 $a0-8218-2001-X 320 $aIncludes bibliographical references. 327 $a""Contents""; ""Preface""; ""List of participants""; ""Titles of talks and posters""; ""Tores affines""; ""On structures preserved by idempotent transformations of groups and homotopy types""; ""Affine Schottky groups and crooked tilings""; ""1. Minkowski space""; ""1.1. Minkowski space and its projectivization""; ""1.2. A little Euclidean geometry""; ""1.3. Null frames""; ""2. Schottky groups""; ""2.1. Schottky's configuration""; ""2.2. Existence of a small interval""; ""2.3. A criterion for N??-hyperbolicity""; ""3. Crooked planes and zigzags"" 327 $a""3.1. Extending Schottky groups to Minkowski space""""3.2. Construction of a crooked plane""; ""3.3. Zigzags""; ""3.4. Affine deformations""; ""4. Completeness""; ""4.1. Construction of the nested sequence""; ""4.2. Uniform Euclidean width of crooked polyhedra""; ""4.3. Approximating zigzag regions by half-planes""; ""4.4. Bounding the separation of half-planes""; ""4.6. Changing the hyperbolicity""; ""Polynomial structures on polycyclic groups: Recent developments""; ""Problems on the geometry of finitely generated solvable groups""; ""1. Introduction""; ""2. Dioubina's examples"" 410 0$aContemporary mathematics (American Mathematical Society) ;$v262. 606 $aCrystallography, Mathematical$vCongresses 606 $aGroup theory$vCongresses 615 0$aCrystallography, Mathematical 615 0$aGroup theory 676 $a548/.7 702 $aIgodt$b Paul$f1956- 712 12$aKatholieke Universiteit Leuven Campus Kortrijk Workshop$f(1999 :$eBelgium), 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910817172603321 996 $aCrystallographic groups and their generalizations$94039190 997 $aUNINA