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Beiträge zur Algebra und Geometrie
Contributions to Algebra and Geometry


Volume 45 (2004)

 Number 1, Number 2 

Number 1

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T. Guédénon
Tauvel's Height Formula in Iterated Differential Operator Rings
001--012 [Abstract / Full Text]

G. Caristi, M. Ferrara
On Buffon's Problem for a Lattice and its Deformations
013--020 [Abstract / Full Text]

G. L. Booth, P. R. Hall
Primeness in Near-Rings of Continuous Functions
021--027 [Abstract / Full Text]

M. Hübner, H. P. Petersson
Two-Dimensional Real Division Algebras Revisited
029--036 [Abstract / Full Text]

P. McMullen
Triangulations of Simplicial Polytopes
037--046 [Abstract / Full Text]

L. Kozma, A. Kristaly, C. Varga
Critical Point Theorems on Finsler Manifolds
047--059 [Abstract / Full Text]

M. M. Ali, D. J. Smith
Pure Submodules of Multiplication Modules
061--074 [Abstract / Full Text]

N. Y. Özgür, I. N. Cangül
On the Principal Congruence Subgroups of the Hecke-Group H(Squareroot of 5)
075--085 [Abstract / Full Text]

E. Loubeau, X. Mo
The Geometry of Pseudo Harmonic Morphisms
087--102 [Abstract / Full Text]

F. Gouli-Andreou, N. Tsolakidou
Conformally Flat Contact Metric Manifolds with Qξ = ρξ
103--115 [Abstract / Full Text]

M. Ferrero, R. R. Steffenon
Normalizing Extensions of Semiprime Rings
117--132 [Abstract / Full Text]

A. West
Unbounded Regions in an Arrangement of Lines in the Plane
133--153 [Abstract / Full Text]

H. Groemer
Deviation Measures and Normals of Convex Bodies
155--167 [Abstract / Full Text]

C.-A. Faure, G. J. Seal
Morphisms of Polar Spaces
169--181 [Abstract / Full Text]

E. Boda, P. Schenzel
A Note on the Computation of Multiplicities
183--190 [Abstract / Full Text]

R. M. B. Chaves, C. C. Candido
On a Conjecture about the Gauss Map of Complete Spacelike Surfaces with Constant Mean Curvature in the Lorentz-Minkowski Space
191--208 [Abstract / Full Text]

G. Stamou, A. Magkos
Regelflächen relativgeometrisch behandelt
209--215 [Abstract / Full Text]

J. M. Ling
The Problem of Polygons with Hidden Vertices
217--224 [Abstract / Full Text]

A. G. Horvath
Bisectors in Minkowski 3-Space
225--238 [Abstract / Full Text]

S. Singh, H. Al-Bleehed
Rings with Indecomposable Modules Local
239--251 [Abstract / Full Text]

B. Koeck
Belyi's Theorem Revisited
253--265 [Abstract / Full Text]

G. Kuperberg, K. Kuperberg, W. Kuperberg
Lattice Packings with Gap Defects are not Completely Saturated
267--273 [Abstract / Full Text]

Z. Langi
On Seven Points in the Boundary of a Plane Convex Body in Large Relative Distances
275--281 [Abstract / Full Text]

J. Slapal
Categories of Locally Diagonal Partial Algebras
283--289 [Abstract / Full Text]

H. Liu
Curves in the Lightlike Cone
291--303 [Abstract / Full Text]

G. Toth
Critical Points of the Distance Function on the Moduli Space for Spherical Eigenmaps and Minimal Immersions
305--328 [Abstract / Full Text]

P. Parenti
Rokhlin's Formula for Dividing T-Curves
329--351 [Abstract / Full Text]

Number 2

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E. Briand
When is the Algebra of Multisymmetric Polynomials Generated by the Elementary Multisymmetric Polynomials?
353--368 [Abstract / Full Text]

D. Jakubíková-Studenovská, D. Masulovic, R. Pöschel
Completeness Criteria and Invariants for Operation and Transformation Algebras
369--387 [Abstract / Full Text]

M. Pankov
Mappings of the Sets of Invariant Subspaces of Null Systems
389--399 [Abstract / Full Text]

A. N. García, C. U. Sánchez
On Extrinsic Symmetric CR-Structures on the Manifolds of Complete Flags
401--414 [Abstract / Full Text]

L. Unger, M. Ungruhe
On the Genus of the Graph of Tilting Modules
415--427 [Abstract / Full Text]

G. Aloupis, G. Ewald, G. Toussaint
More Classes of Stuck Unknotted Hexagons
429--434 [Abstract / Full Text]

W.-L. Huang, Z.-X. Wan
Adjacency Preserving Mappings of Rectangular Matrices
435--446 [Abstract / Full Text]

A. M. d'Azevedo Breda, A. F. Santos
Dihedral f-Tilings of the Sphere by Spherical Triangles and Equiangular Well-Centered Quadrangles
447--461 [Abstract / Full Text]

M. Develin
Disjoint Faces of Complementary Dimension
463--464 [Abstract / Full Text]

J. J. Konderak
A Symplectic Reduction for Pseudo-Riemannian Manifolds with Compatible Almost Product Structures
465--479 [Abstract / Full Text]

T. Foertsch
Ball Versus Distance Convexity of Metric Spaces
481--500 [Abstract / Full Text]

V. H. Mikaelian
On Normal Verbal Embeddings of some Classes of Groups
501--516 [Abstract / Full Text]

E. Fabinska, M. Lassak
Large Equilateral Triangles Inscribed in the Unit Disk of a Minkowski Plane
517--525 [Abstract / Full Text]

E. Heil
Trefoil Knots with Tritangent Planes
527--530 [Abstract / Full Text]

D. Hug, G. O. Munsonius, M. Reitzner
Asymptotic Mean Values of Gaussian Polytopes
531--548 [Abstract / Full Text]

M. A. Hernández Cifre, G. Salinas, S. Segura Gomis
Two Optimization Problems for Convex Bodies in the n-Dimensional Space
549--555 [Abstract / Full Text]

F. Juhnke
Bounds of the Affine Breadth Eccentricity of Convex Bodies via Semi-Infinite Optimization
557--568 [Abstract / Full Text]

H. Cuypers, A. Steinbach
Near Hexagons and Triality
569--580 [Abstract / Full Text]

R. Brandenberg, T. Theobald
Radii of Simplices and some Applications to Geometric Inequalities
581--594 [Abstract / Full Text]

A. Cerdán, C. Miori, S. Segura Gomis
Relative Isodiametric Inequalities
595--605 [Abstract / Full Text]

H. Martini, W. Wenzel
Illumination and Visibility Problems in Terms of Closure Operators
607--614 [Abstract / Full Text]

M. C. Romero-Fuster, E. Sanabria-Codesal
Lines of Curvature, Ridges and Conformal Invariants of Hypersurfaces
615--635 [Abstract / Full Text]

Y.-L. Ou, S. W. Wei
A Classification and some Constructions of p-Harmonic Morphisms
637--647 [Abstract / Full Text]

R. S. Booth, D. A. Thomas, J. F. Weng
Exactly Solvable and Unsolvable Shortest Network Problems in 3D-Space
649--663 [Abstract / Full Text]

M. Graña
Indecomposable Racks of Order p2
665--676 [Abstract / Full Text]

H. Nishimura
Higher-Order Preconnections in Synthetic Differential Geometry of Jet Bundles
677--696 [Abstract / Full Text]

S. Immervoll
A Characterization of Isoparametric Hypersurfaces of Clifford Type
697--702 [Abstract / Full Text]