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Minimizing the object dimensions in circle and sphere packing problems
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
Given a fixed set of identical or different-sized circular items, the problem we deal with consists on finding the smallest object within which the items can be packed. Circular, triangular, squared, rectangular and also ...
Renormalization for piecewise smooth homeomorphisms on the circle
(Annales de l'Institut Henri Poincar?? (C) Non Linear Analysis, 2013)
Signs, translation, and life in the Bakhtin circle and in Welby's significs
(2013)
“Significs” is provisionally defined by Welby (1911: vii) as the study of the nature of significance in all its forms and relationships, of its workings in all spheres of human life and knowledge. Considering “significs” ...
Extreme zeros in a sequence of para-orthogonal polynomials and bounds for the support of the measure
(2018-01-01)
Given a nontrivial Borel measure μ on the unit circle T{double-struck}, the corresponding reproducing (or Christoffel-Darboux) kernels with one of the variables fixed at z = 1 constitute a family of so-called para-orthogonal ...
Relativistic effects of our galaxy's motion on circles-in-the-sky in CMB maps
(2005-06-07)
For an observer in the Hubble flow, the last scattering surface (LSS) is well approximated by a 2-sphere. If a non-trivial topology of space is detectable, then this sphere intersects some of its topological images, ...
Reduction of cocycles and groups of diffeomorphisms of the circle
(BELGIAN MATHEMATICAL SOC TRIOMPHE, 2006-06)
We prove two theorems of reduction of cocycles taking values in the group of diffeomorphisms of the circle. They generalize previous results obtained by the author concerning rigidity for smooth actions on the circle of ...
Another concurrency enerated by circles about a triangle's sides and lines through an internal point
(Wolfram Demonstration Project, 2016)