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Beiträge zur Algebra und Geometrie
Contributions to Algebra and Geometry


Volume 49 (2008)

 Number 1, Number 2 

Number 1

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T. Grundhöfer, M. Stroppel
Automorphisms of Verardi Groups: Small Upper Triangular Matrices over Rings
1--31 [Abstract / Full Text]

T. Bratten
A Geometric Embedding for Standard Analytic Modules
33--57 [Abstract / Full Text]

G. Panina
A. D. Alexandrov's Uniqueness Theorem for Convex Polytopes and its Refinements
59--70 [Abstract / Full Text]

M. Radic
Areas of Certain Polygons in Connection with Determinants of Rectangular Matrices
71--96 [Abstract / Full Text]

F. H. Lutz
Combinatorial 3-manifolds with 10 Vertices
97--106 [Abstract / Full Text]

E. Hulett
On the Twistor Bundle of De Sitter Space S13
107--123 [Abstract / Full Text]

S. Kurz
Convex Hulls of Polyominoes
125--136 [Abstract / Full Text]

M. M. Bayer, T. Bisztriczky
On Braxtopes, a Class of Generalized Simplices
137--145 [Abstract / Full Text]

S. Wu
Tangent Segments in Minkowski Planes
147--151 [Abstract / Full Text]

M. Akriche, F. Mangolte
Nombres de Betti des Surfaces Elliptiques Réelles
153--164 [Abstract / Full Text]

V. Pambuccian
The Elementary Geometry of a Triangular World with Hexagonal Circles
165--175 [Abstract / Full Text]

K. J. Böröczky, F. Fodor, V. Vígh
Approximating 3-Dimensional Convex Bodies by Polytopes with a Restricted Number of Edges
177--193 [Abstract / Full Text]

W. G. Boskoff, B. D. Suceava
A Projective Characterization of Cyclicity
195--203 [Abstract / Full Text]

M. Skrzypiec
A Note on Secantoptics
205--215 [Abstract / Full Text]

T. Li, L. Peng, H. Sun
The Geometric Structure of the Inverse Gamma Distribution
217--225 [Abstract / Full Text]

K. Al-Sharo
On some Maximal S-Quasinormal Subgroups of Finite Groups
227--232 [Abstract / Full Text]

J. Kosiorek, A. Matras, M. Pankov
Distance Preserving Mappings of Grassmann Graphs
233--242 [Abstract / Full Text]

M. Lassak
Banach-Mazur Distance of Central Sections of a Centrally Symmetric Convex Body
243--246 [Abstract / Full Text]

K. Crona
Stanley Filtrations and Strongly Stable Ideals
247--252 [Abstract / Full Text]

M. Hajja, H. Martini, M. Spirova
New Extensions of Napoleon's Theorem to Higher Dimensions
253--264 [Abstract / Full Text]

S. Immervoll
Homogeneous Spaces and Isoparametric Hypersurfaces
265--268 [Abstract / Full Text]

M. Dutour Sikiric, W. Myrvold
The Special Cuts of the 600-Cell
269--275 [Abstract / Full Text]

V. K. Bhat
Associated Prime Ideals of Skew Polynomial Rings
277--283 [Abstract / Full Text]

L. Schäfer
Variations of (para-)Hodge Structures and their Period Maps in tt*-geometry
285--300 [Abstract / Full Text]

Number 2

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J. L. Ramirez Alfonsí
Spatial Graphs, Knots and the Cyclic Polytope
301--314 [Abstract / Full Text]

V. Erlandsson
Tame Homomorphisms of Polytopal Rings
315--323 [Abstract / Full Text]

M. Özdemir, A. A. Ergin
Timelike Quaternion Frame of a Non-Lightlike Curve
325--333 [Abstract / Full Text]

V. Pambuccian
Elementary Versions of the Sylvester-Gallai Theorem
335--339 [Abstract / Full Text]

M. Prazmowska
Twisted Projective Spaces and Linear Completions of some Partial Steiner Triple Systems
341--368 [Abstract / Full Text]

H. Nishimura
Curvature in Synthetic Differential Geometry of Groupoids
369--381 [Abstract / Full Text]

B. Sahin, R. Günes
CR-Warped Product Submanifolds of Nearly Kaehler Manifolds
383--397 [Abstract / Full Text]

T. Guédénon
Projectivity and Flatness over the Endomorphism Ring of a Finitely Generated Comodule
399--408 [Abstract / Full Text]

S. Danz, R. Zimmermann
Vertices of Simple Modules for the Symmetric Groups in Blocks of Small Weights
409--427 [Abstract / Full Text]

M. H. Lee
Cohomology of Torus Bundles over Kuga Fiber Varieties
429--440 [Abstract / Full Text]

L. Oukhtite, S. Salhi, L. Taoufiq
Strong Commutativity Preserving Maps on Lie Ideals of Semiprime Rings
441--447 [Abstract / Full Text]

M. M. Ali
Multiplication Modules and Homogeneous Idealization III
449--479 [Abstract / Full Text]

B. Guilfoyle, W. Klingenberg
Area-Stationary Surfaces in Neutral Kähler 4-Manifolds
481--490 [Abstract / Full Text]

G. Toth
On the Structure of Convex Sets with Applications to the Moduli of Spherical Minimal Immersions
491--515 [Abstract / Full Text]

A. Deitmar
F1-Schemes and Toric Varieties
517--525 [Abstract / Full Text]

M. Breen
Helly-Type Theorems for Infinite and for Finite Intersections of Sets Starshaped via Staircase Paths
527--539 [Abstract / Full Text]

R. Schneider
The Endomorphisms of the Lattice of Closed Convex Cones
541--547 [Abstract / Full Text]

N. Düvelmeyer
General Embedding Problems and Two-Distance Sets in Minkowski Planes
549--598 [Abstract / Full Text]

A. Joós
Covering the Unit Cube by Equal Balls
599--605 [Abstract / Full Text]