Del i serien Ergebnisse der Mathematik und ihrer Grenzgebiete. 2. Folge

Structure of a Group and the Structure of its Lattice of Subgroups

Häftad, Engelska, 2012

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Accordingly we have given some proofs in considerable detail, though of course it is in the nature of such areport that many proofs have to be omitted or can only be given in outline.

Produktinformation

Utgivningsdatum2012-07-07
Mått152 x 229 x 7 mm
Vikt170 g
FormatHäftad
SpråkEngelska
SerieErgebnisse der Mathematik und ihrer Grenzgebiete. 2. Folge
Antal sidor96
Upplaga1956
FörlagSpringer-Verlag Berlin and Heidelberg GmbH & Co. KG
ISBN9783642527609

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Grupper och gruppteori inom Naturvetenskap och teknik

I. Groups with a special kind of subgroup lattice.- 1. The distributive law in subgroup lattices.- 2. Modular identity in subgroup lattices.- 3. The Jordan-Dedekind chain condition and lower semi-modularity.- 4. Finite groups with a modular lattice of subgroups.- 5. Structure of infinite M-groups.- 6. Structure of UM-groups.- 7. Complemented groups.- II. Isomorphisms of subgroup lattices.- 1. Projectivities.- 2. Projectivities of abelian groups.- 3. Projectivities of locally free groups.- 4. Projectivities of finite groups.- 5. Projectivities of modular groups.- 6. Index-preserving Proj ectivities.- 7. The images of normal subgroups under projectivities of finite groups.- 8. The number of finite groups with given lattice of subgroups.- 9. The group of auto-proj ectivities.- 10. Projectivities of simple groups.- 11. Characteristic chains of subgroup lattices.- 12. Representation of lattices as subgroup lattices.- 13. The situation-preserving mappings.- III. Homomorphisms of subgroup lattices.- 1. The kernels of a homomorphism of a subgroup lattice.- 2. Complete L-homomorphisms onto cyclic groups.- 3. General properties of complete L-homomorphisms.- 4. L-homomorphisms induced by group-homomorphisms.- 5. Incomplete L-homomorphisms.- 6. L-homomorphisms of finite groups.- 7. The meet-homomorphisms.- 8. Structure of finite groups which admit a proper L-homomorphism.- 9. L-homomorphisms onto a nilpotent group.- IV. Dualisms of subgroup lattices.- 1. Dualisms (of abelian groups).- 2. Nilpotent groups with duals.- 3. Finite solvable groups with duals.