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A rough classification of symmetric planes.

Löwe, Harald

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p. 1-21

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Vertex-facet incidences of unbounded polyhedra.

Joswig, Michael ; Kaibel, Volker ; Pfetsch, Marc E. ; Ziegler, Günter M.

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p. 23-36

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A note on embedding and generating dual polar spaces.

Cooperstein, B.N. ; Shult, E.E.

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p. 37-48

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Equivariant periodicity for abelian group action.

Weinberger, Shmuel ; Yan, Min

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p. 49-70

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The moment problem for non-compact semialgebraic sets.

Powers, Victoria ; Scheiderer, Claus

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p. 71-88

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Maximally homogeneous nondegenerate CR manifolds.

Medori, Costantino ; Nacinovich, Mauro

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p. 89-95

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On special projections of varieties: Epitome to a theorem of Beniamino Segre.

Calabri, Alberto ; Ciliberto, Ciro

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p. 97-106

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The connected components on the projective line over a ring.

Blunck, Andrea ; Havlicek, Hans

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p. 107-117

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Regular hyperbolic fibrations.

Baker, R.D. ; Ebert, G.L. ; Wantz, K.L.

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p. 119-144

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Near-homogeneous 16-dimensional planes.

Salzmann, Helmut

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p. 145-155

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A short proof of the uniqueness of Kühnel's 9-vertex complex projective plane.

Bagchi, Bhaskar ; Datta, Basudeb

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p. 157-163

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Unstable hyperplane for Steiner bundles and multidimensional matrices.

Ancona, Vincenzo ; Ottaviani, Giorgio

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p. 165-192

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Improving the efficiency of exclusion algorithms.

Georg, Kurt

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p. 193-210

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Near hexagons with four points on a line.

De Bruyn, Bart

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p. 211-228

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SPG systems and semipartial geometries.

Thas, J.A.

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p. 229-244

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On threefolds admitting a bielliptic curve as abstract complete intersection.

Del Centina, A. ; Gimigliano, A.

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p. 245-261

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The modularity of the Barth-Nieto quintic and its relatives.

Hulek, K. ; Spandaw, J. ; van Geemen, B. ; van Straten, D.

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p. 263-289

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Finite presentations for the mapping class group via the ordered complex of curves.

Benvenuti, Silvia

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p. 291-321

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Generalization flocks of 𝒬+(3,q).

Bader, Laura ; Cossidente, Antonio ; Lunardon, Guglielmo

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p. 323-331

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Topological and smooth unitals.

Immervoll, Stefan

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p. 333-344

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Osculatory behavior and second dual varieties of Del Pezzo surfaces.

Lanteri, Antonio ; Mallavibarrena, Raquel

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p. 345-363

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A rank 3 tangent complex of PSp4(q), q odd.

Sarli, John ; McClurg, Phillip

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p. 365-371

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On the string-theoretic Euler numbers of 3-dimensional A-D-E singularities.

Dais, Dimitrios I. ; Roczen, Marko

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p. 373-426

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