000 03063nam a2200349 i 4500
008 030606s1980 gw a b 001 0 eng
010 _a2003269778
020 _a3540442375
_qacid-free paper
040 _aDLC
_cDLC
_dOSU
041 1 _aeng
_hfre
_dBAUN
049 _aBAUN_MERKEZ
050 0 4 _aQA166.2
_b.S37 1980
082 0 0 _222
100 1 _aSerre, Jean-Pierre,
_d1926-
240 1 0 _aArbres, amalgames, SL₂.
_lEnglish
245 1 0 _aTrees /
_cJean-Pierre Serre ; translated from the French by John Stillwell
264 1 _aBerlin ;
_aNew York :
_bSpringer,
_c1980.
300 _aix, 142 pages :
_billustrations ;
_c24 cm
336 _atext
_btxt
_2rdacontent
337 _aunmediated
_bn
_2rdamedia
338 _avolume
_bnc
_2rdacarrier
490 1 _aSpringer monographs in mathematics,
_x1439-7382
504 _aIncludes bibliographical references (pages [137]-139) and index
505 0 0 _tContents
_tIntroduction
_tCh. I. Trees and Amalgams
_t1. Amalgams
_t1.1. Direct limits
_t1.2. Structure of amalgams
_t1.3. Consequences of the structure theorem
_t1.4. Constructions using amalgams
_t1.5. Examples
_t2. Trees
_t2.1. Graphs
_t2.2. Trees
_t2.3. Subtrees of a graph
_t3. Trees and free groups
_t3.1. Trees of representatives
_t3.2. Graph of a free group
_t3.3. Free actions on a tree
_t3.4. Application: Schreier's theorem
_tApp. Presentation of a group of homeomorphisms
_t4. Trees and amalgams
_t4.1. The case of two factors
_t4.2. Examples of trees associated with amalgams
_t4.3. Applications
_t4.4. Limit of a tree of groups
_t4.5. Amalgams and fundamental domains (general case)
_t5. Structure of a group acting on a tree
_t5.1. Fundamental group of a graph of groups
_t5.2. Reduced words
_t5.3. Universal covering relative to a graph of groups
_t5.4. Structure theorem
_t5.5. Application: Kurosh's theorem
_t6. Amalgams and fixed points
_t6.1. The fixed point property for groups acting on trees
_t6.2. Consequences of property (FA)
_t6.3. Examples
_t6.4. Fixed points of an automorphism of a tree
_t6.5. Groups with fixed points (auxiliary results)
_t6.6. The case of SL[subscript 3](Z)
_tCh. II. SL[subscript 2]
_t1. The tree of SL[subscript 2] over a local field
_t1.1. The tree
_t1.2. The groups GL(V) and SL(V)
_t1.3. Action of GL(V) on the tree of V; stabilizers
_t1.4. Amalgams
_t1.5. Ihara's theorem
_t1.6. Nagao's theorem
_t1.7. Connection with Tits systems
_t2. Arithmetic subgroups of the groups GL[subscript 2] and SL[subscript 2] over a function field of one variable
_t2.1. Interpretation of the vertices of [Gamma]\X as classes of vector bundles of rank 2 over C
_t2.2. Bundles of rank 1 and decomposable bundles
_t2.3. Structure of [Gamma]\X
_t2.4. Examples
_t2.5. Structure of [Gamma]
_t2.6. Auxiliary results
_t2.7. Structure of [Gamma]: case of a finite field
_t2.8. Homology
_t2.9. Euler-Poincare characteristic
_tBibliography
_tIndex.
650 0 _aTrees (Graph theory)
650 0 _aLinear algebraic groups
650 0 _aFree groups
830 0 _978475
_aSpringer monographs in mathematics,
_x1439-7382
900 _a19555
900 _bSatın
942 _2lcc
_cKT
999 _c16792
_d16792