Displaying similar documents to “A class of ℐ -conservative matrices.”

A class of statistical and σ -conservative matrices

Hüsamettin Çoşkun, Celal Çakan (2005)

Czechoslovak Mathematical Journal

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In [5] and [10], statistical-conservative and σ -conservative matrices were characterized. In this note we have determined a class of statistical and σ -conservative matrices studying some inequalities which are analogous to Knopp’s Core Theorem.

Lattice points in some special three-dimensional convex bodies with points of Gaussian curvature zero at the boundary

Ekkehard Krätzel (2002)

Commentationes Mathematicae Universitatis Carolinae

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We investigate the number of lattice points in special three-dimensional convex bodies. They are called convex bodies of pseudo revolution, because we have in one special case a body of revolution and in another case even a super sphere. These bodies have lines at the boundary, where all points have Gaussian curvature zero. We consider the influence of these points to the lattice rest in the asymptotic representation of the number of lattice points.