spherical geometry

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Related to spherical geometry: spherical trigonometry, Spherical coordinates
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  • noun

Words related to spherical geometry

(mathematics) the geometry of figures on the surface of a sphere

References in periodicals archive ?
For a spherical geometry, we found that the corrective gravitational coefficient [[eta].
This book results from an ongoing project of Kunitzsch and Lorch to study the history of spherical geometry in the medieval period.
Given that we often introduce spherical geometry by considering the geography of the Earth, I would like to see an option that places a thin outline of the continent shapes onto the surface of the sphere--like the first diagram of this article.
By the 10th century Islamic mathematicians were using all six trigonometric functions, had tabulated their values, and were applying them to problems in spherical geometry.
Plane elliptic geometry is closely related to spherical geometry, but it differs in that antipodal points on the sphere are identified.
Again, to get this right, they had to devise intricate equations of spherical geometry, which depended on accurate analyses of the night sky.
The Exploratorium described Arab discoveries; contributions in astronomy that mapped the solar system and prepared the way for Copernicus, physicians who described the body organs and prepared the way for Harvey, cartographers who mapped the known European, African and Asian world before the voyages of Vasco da Gama, and mathematicians who refined Greek mathematics, introduced spherical geometry, algebra and the Arabic numeral system that included the Indian "zero.
N Spherical easel file showing parallel lines in spherical geometry spherical.
The cunning spherical geometry means that the shell structure is both innovative and economical.
They cover the basics of Euclidean space, elementary geometrical figures and their properties, symmetries of the plane and of space (including affine mappings and centroids, projections, central dilations and translations, plane transformations and discrete and finite subgroups), hyperbolic geometry (including the Poincare and disc models) and spherical geometry.
This concept was motivated by various kinds of "join" occurring in ordered and partially ordered linear geometry, spherical geometry and protective geometry.
The spherical geometry due to its one-dimensional simplicity was approached through a finite difference (FD) method solved implicitly by a Crank-Nicolson algorithm for variable coefficients [10].
The logic goes more or less like this: In a closed three-dimensional space, if all loops of thread can be pulled tight to a point, mathematicians know that the only one of the eight geometries that can fit the space is spherical geometry.
However, as McCluskey points out, these anthologies lacked the mathematical principles of spherical geometry (unlike Ptolemy's works); their tables of the heavenly bodies described only mean (average) motions and not variations therefrom; and they placed stars inaccurately within the constellations.
Now it turns out that there are nonspherieal figures that can represent visible But that is all right, because using those representatives will not lead us to assign to visibles any properties incompatible with those of spherical geometry.
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