R. Connelly, I. Sabitov, A.Walz: Victor Alexandrov: Sadettin Erdem: Ottmar Loos: Rolf Schneider: Peter Brass, Irmina Herburt: Ludwig Stammler: Georg Hein: Hans-Joachim Kroll, Andrzej Matras: Dieter Betten, Anton Betten: Sheila Carter, Ugur Dursun: Mina Teicher: Ilya Piatetski-Shapiro, Mina Teicher: K.I. Beidar, R. Wiegandt:
The Bellows Conjecture
An Example of a Flexible Polyhedron with Nonconstant Volume in the Spherical Space
Harmonic Maps of Lorentz Surfaces, Quadratic Differentials and Paraholomorphicity
Discriminant Algebras and Adjoints of Quadratic Forms
On Areas and Integral Geometry in Minkowski Spaces
On Point Sets fixing a Convex Body from within
Cutting Circles and the Morley Theorem
On the Generalized Theta Divisor
Minkowski Planes with Miquelian Pairs
Regular Linear Spaces
On Generalized Chen and k-minimal Immersions
Commutativity of the Schur Algebra
Correspondence bewteen Representations of the Dual Reductive Pair $O(n)$ and $SL_2$
Radicals induced by the Total of Rings