03094nam 2200589 450 991048026170332120180731044130.00-8218-7852-20-8218-5598-0(CKB)3240000000069789(EBL)3112865(SSID)ssj0000850322(PQKBManifestationID)11455560(PQKBTitleCode)TC0000850322(PQKBWorkID)10832294(PQKB)10850953(MiAaPQ)EBC3112865(WaSeSS)Ind00039275(PPN)197105882(EXLCZ)99324000000006978920000605h20002000 uy| 0engur|n|---|||||txtccrCrystallographic groups and their generalizations workshop, Katholieke Universiteit Leuven Campus Kortrijk, Belgium, May 26-28, 1999 /Paul Igodt [and three others], editorsProvidence, Rhode Island :American Mathematical Society,[2000]©20001 online resource (330 p.)Contemporary mathematics,0271-4132 ;262Description based upon print version of record.0-8218-2001-X Includes bibliographical references.""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 Ñ?-hyperbolicity""; ""3. Crooked planes and zigzags""""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""Contemporary mathematics (American Mathematical Society) ;262.Crystallography, MathematicalCongressesGroup theoryCongressesElectronic books.Crystallography, MathematicalGroup theory548/.7Igodt Paul1956-Katholieke Universiteit Leuven Campus Kortrijk Workshop(1999 :Belgium),MiAaPQMiAaPQMiAaPQBOOK9910480261703321Crystallographic groups and their generalizations1952508UNINA