Barycentric calculus in Euclidean and hyperbolic geometry :a comparative introduction
GENERAL NOTES
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Includes bibliographical references )pages 337-340( and index
NOTES PERTAINING TO TITLE AND STATEMENT OF RESPONSIBILITY
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Abraham Albert Ungar
CONTENTS NOTE
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Euclidean barycentric coordinates and the classic triangle centers -- Gyrovector spaces and Cartesian models of hyperbolic geometry -- The interplay of Einstein addition and vector addition -- Hyperbolic barycentric coordinates and hyperbolic triangle centers -- Hyperbolic incircles and excircles -- Hyperbolic tetrahedra -- Comparative patterns