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Two problems concerning the area-perimeter ratio of lattice-point-free regions in the plane.

Schnell, Uwe ; Segura Gomis, Salvador

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p. 1-8

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Invariant illumination of convex bodies. (Invariante Beleuchtung konvexer Körper.)

Weißbach, Benulf

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p. 9-15

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Σ-chamber systems, coloured graphs and orbifolds.

Balke, Ludwig ; Valverde, Alba

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p. 17-29

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Complete lifts of harmonic maps and morphisms between Euclidean spaces.

Ou, Ye-Lin

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p. 31-40

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Redundance of vertices of the cube relatively to its minimal ellipsoid.

Sarges, Olaf

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p. 41-49

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On-line q-adic covering by the method of the n-th segment and its application to on-line covering by cubes.

Januszewski, Janusz ; Lassak, Marek ; Rote, Günter ; Woeginger, Gerhard

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p. 51-65

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(n+1)-families of sets in general position.

Balaj, Mircea

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p. 67-74

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Immersions into spheres with parallel higher fundamental forms.

Carfagna D'Andrea, Antonella

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p. 75-86

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On some special Fano manifolds.

Lanteri, Antonio ; Sacchi, Cristiana S.

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p. 87-101

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Blocks for symmetric groups and their covering groups and quadratic forms.

Erdmann, Karin ; Michler, Gerhard O.

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p. 103-118

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Spectrum of the quantized Weyl algebra. (Spectre de l'algèbre de Weyl quantique.)

Rigal, Laurent

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p. 119-148

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The divisor of the resultant.

Scheja, Günter ; Storch, Uwe

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p. 149-159

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A unified treatment of the theories of matroids with coefficients and of Δ-matroids with coefficients.

Wenzel, Walter

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p. 161-198

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Skew semigroup rings.

Abrams, Gene ; Menini, Claudia

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p. 209-230

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Flag transitive c·Af* geometries.

Baumeister, Barbara ; Del Fra, Alberto ; Meixner, Thomas ; Pasini, Antonio

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p. 231-258

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Varieties of partial algebras.

Börner, Ferdinand

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p. 259-287

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Representations of the generalized symmetric groups.

Can, Himmet

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p. 289-307

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On the complexity of parametrizing curves.

Mňuk, Michal ; Sendra, J.Rafael ; Winkler, Franz

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p. 309-328

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On the generalized stereographic projection.

Karlıǧa, Baki

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p. 329-336

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Multivariate Descartes' rule.

Itenberg, Ilia ; Roy, Marie-Françoise

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p. 337-346

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Centrally-symmetric tight surfaces and graph embeddings.

Kühnel, Wolfgang

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p. 347-354

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A family of Minkowski planes over half-ordered fields.

Steinke, Günter F.

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p. 355-366

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Almost-orthonormal vector systems.

Haase, Dietrich ; Stachel, Hellmuth

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p. 367-381

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On the pole placement problem for linear systems of arbitrary genus.

Ballico, E.

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p. 383-386

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Graded rings of complete intersection local rings with finite residue fields.

Trivedi, Vijaylaxmi

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p. 387-390

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Arrangements of arcs and pseudocircles.

Linhart, Johann ; Yang, Yanling

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p. 391-398

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The Ohm type properties for multiplication ideals.

Ali, Majid M.

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p. 399-414

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A linear-time construction of Reuleaux polygons.

Kupitz, Yaakov ; Martini, Horst ; Wegner, Bernd

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p. 415-427

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