Geometrie (2.158 Artikel)

Some fundamentals of locally convex spaces.- Countably compact sets and the theorem of Eberlein - Grothendieck.- Bounding sets in the weak topology.- Sequential compactness and angelic spaces.- Poi...

On the geometry of elliptic modular surfaces and representations of finite groups.- On the rationality of certain moduli spaces related to curves of genus 4.- A construction of special space curves...

Algorithmic and Geometric Topics Around Free Groups and Automorphisms

A*(I) and B*(I).- A*(I) - B*(I).- ?*(I).- A characterization of ?*(I).- Asymptotic sequences.- Asymptotic sequences over ideals.- Asymptotic grade.- When A* = ?*.- Conforming relations.- Ideal tran...

On Brauer groups of some normal local rings.- The Brauer group of affine curves.- On Brauer groups in characteristic p.- A module approach to the Chase-Rosenberg-Zelinsky sequences.- Long exact seq...

Aspects of non-commutative order.- Correspondences between von neumann algebras and discrete automorphism groups.- The construction and decomposition of quantum fields using operator theory, probab...

We restrict ourselves to two aspects of the field of group schemes, in which the results are fairly complete: commutative algebraic group schemes over an algebraically closed field (of characterist...

Preliminaries.- Compact semitopological semigroups.- Almost periodic and weakly almost periodic functions on semitopological semigroups.- Examples.

Both advanced graduate students and researchers in algebraic geometry will find this book a valuable read.

Resolution statements for a vector field.- A partial winning strategy.- Standard transitions from type I.- A winning strategy for type one.- Types two and three.

The problem of determining which S-arithmetic groups have a finite presentation is solved for arbitrary linear algebraic groups over finite extension fields of #3. For certain solvable topological ...

Some translation planes that are not well known.- Linear groups and collineation groups.

Preliminaries.- Rings with no |G|-torsion: Existence of fixed elements, the prime radical and Jacobson radical of RG.- Simple rings: Inner and outer automorphisms, simple fixed rings, R as an RG-mo...

Preliminaries.- Singularities of coherent sheaves and their cohomology classes.- Primary decomposition and relative gap-sheaves.- Sheaves of local cohomology and absolute gap-sheaves.- Closedness o...

Arithmetic of local division algebras.- to Gauss Sums.- Functional equation.- One-dimensional representations.- The basic correspondence.- The basic inductive step.- The general inductive process.-...