Clasificación Analítica de las Funciones Triangulares de Schwarz
Signaturas de los Grupos de Poincare Asociados
by Alfonso García Marcos
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About the Book
In my papier I have asociatted a Riemann Surface to each Schwarz function triangle.
After that ,I´ve got genus and geometric density of spherical tesselation expresions in a new method.
Then I see Their Poincare Groups ( of each above Riemann Surfaces) as index normal finite subgroup of Г(2) (Thanks to Modular Function Lambda).
Then I calculate signature of these fuchisian Groups.
Finally I see there are only nine ( of above Riemann Surfaces) more Dihedrical cases.
I think my idea is a new interpretation of Schwarz triangles , different one to the Famous Schwarz Classification based on 14 Schwarz triangles +Dihedrical cases.
Klein in its The Icosahedron (Dover 1956,p.56) give us a Albebraic Curve
x=x(n)
for the Octahedro (432) also for Tethaedro and Icosahedro..
In order to obtain it , He works with different Invariants Forms.
And in its Vorlesungen Uber die Hipergeometriche funktion (1933, p.229) make this for (5/2,3,2).
In my work I tried to classify all (Platonic Solid,KeplerPoinsot Solids and in General Schwarz Triangles) of these Algebraic Curves.
In my notation
z=z(w).
I define a Riemann Surface associate to each Regular Tesselation. And after that for Schwarz Triangles.
.
I know Puiseux series in Branch Points.of
1) Proyection z > w
2) " w > z
and Total Order of Branch.(thanks to Hypergeometric Functions)
Mixing around this concept I can obtain Algebraic Genus and Geometric Density (for overlapping Tesselation) formulas. For cases of Finite Regular Spherical Tesselation are the same than Coxeter Formulas. (Page.32 ,3.1.1,1 and Page 38, 3.1.2,2)
For Schwarz Triangles genus´s is new ( Page 68, 4.3,1) ( Page 69,4.5,1)
Also I , and for Finite Regular Spherical Tesselation I work with regular nets on a Riemann Surface and I obtain with this methode genus same formula.
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 Category Biographies & Memoirs

Size
8×10 in, 21×26 cm
104 Pages 
Isbn
 Hardcover, ImageWrap: 9781367210844
 Publish Date Sep 24, 2016
 Language Spanish
 Tags Riemann, Tesselations, Regular, Triangles, Schwarz
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