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====References====
 
====References====
<table><TR><TD valign="top">[1]</TD> <TD valign="top"> A.A. Savelov,   "Planar curves" , Moscow  (1960) (In Russian)</TD></TR></table>
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<table>
 
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<TR><TD valign="top">[1]</TD> <TD valign="top"> A.A. Savelov, "Planar curves" , Moscow  (1960) (In Russian)</TD></TR>
 
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<TR><TD valign="top">[a1]</TD> <TD valign="top"> M. Berger, "Geometry" , '''I''' , Springer (1987)</TD></TR>
 
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<TR><TD valign="top">[a2]</TD> <TD valign="top"> H.S.M. Coxeter, "Introduction to geometry" , Wiley (1963)</TD></TR>
====Comments====
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<TR><TD valign="top">[a3]</TD> <TD valign="top"> M.P. Do Carmo, "Differential geometry of curves and surfaces" , Prentice-Hall  (1976)  pp. 145</TD></TR>
 
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<TR><TD valign="top">[a4]</TD> <TD valign="top"> J.D. Lawrence, "A catalog of special plane curves" , Dover (1972) {{ISBN|0-486-60288-5}} {{ZBL|0257.50002}}</TD></TR>
 
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</table>
====References====
 
<table><TR><TD valign="top">[a1]</TD> <TD valign="top"> M. Berger,   "Geometry" , '''I''' , Springer (1987)</TD></TR><TR><TD valign="top">[a2]</TD> <TD valign="top"> H.S.M. Coxeter,   "Introduction to geometry" , Wiley (1963)</TD></TR><TR><TD valign="top">[a3]</TD> <TD valign="top"> M.P. Do Carmo,   "Differential geometry of curves and surfaces" , Prentice-Hall  (1976)  pp. 145</TD></TR><TR><TD valign="top">[a4]</TD> <TD valign="top"> J.D. Lawrence,   "A catalog of special plane curves" , Dover, reprint  (1972)</TD></TR></table>
 

Latest revision as of 20:51, 23 November 2023

The name of a planar curve considered as the trajectory of a point which is rigidly connected with some curve rolling upon another fixed curve. In case a circle rolls upon a straight line, the roulette is a cycloid; if a circle rolls upon another circle it is a cycloidal curve; if a hyperbola, an ellipse or a parabola rolls upon a straight line it is a Sturm curve (cf. Sturm curves). The trajectory of an ellipse rolling upon another ellipse is called an epi-ellipse. Each planar curve can be considered as a roulette in many ways; for example, any curve can be formed by rolling a straight line upon its evolute.

References

[1] A.A. Savelov, "Planar curves" , Moscow (1960) (In Russian)
[a1] M. Berger, "Geometry" , I , Springer (1987)
[a2] H.S.M. Coxeter, "Introduction to geometry" , Wiley (1963)
[a3] M.P. Do Carmo, "Differential geometry of curves and surfaces" , Prentice-Hall (1976) pp. 145
[a4] J.D. Lawrence, "A catalog of special plane curves" , Dover (1972) ISBN 0-486-60288-5 Zbl 0257.50002
How to Cite This Entry:
Roulette. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Roulette&oldid=14559
This article was adapted from an original article by D.D. Sokolov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article