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1. Geometric and combinatorial structure of a class of spherical folding tessellations. I

Creator:
Avelino, Catarina P. and Santos, Altino F
Format:
print, bez média, and svazek
Type:
model:article and TEXT
Subject:
matematika, trigonometrie, mathematics, trigonometry, dihedral f-tiling, combinatorial propertie, spherical trigonometry, symmetry group, 13, and 51
Language:
English
Description:
A classification of dihedral folding tessellations of the sphere whose prototiles are a kite and an equilateral or isosceles triangle was obtained in recent four papers by Avelino and Santos (2012, 2013, 2014 and 2015). In this paper we extend this classification, presenting all dihedral folding tessellations of the sphere by kites and scalene triangles in which the shorter side of the kite is equal to the longest side of the triangle. Within two possible cases of adjacency, only one will be addressed. The combinatorial structure of each tiling is also analysed., Catarina P. Avelino, Altino F. Santos., and Obsahuje bibliografii
Rights:
http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

2. O řadách hraničních kamenů v Moravském krasu a jejich původu :

Creator:
Petrovský, Jan
Type:
text and studie
Subject:
Geodezie. Kartografie, kameny hraniční, katastr stabilní, hranice pozemkové, mapování, trigonometrie, historická kartografie, atlasy, staré mapy, české země 1792-1847, and dějiny správy
Language:
Czech
Description:
On the rows of boundary stones in Moravian Karst and their origin. Notes on nature scientific background of a Stable Cadastre.
Rights:
unknown