On some properties of focal points.
Ferchichi, M.R., Djellit, I. (2009)
Discrete Dynamics in Nature and Society
Similarity:
Ferchichi, M.R., Djellit, I. (2009)
Discrete Dynamics in Nature and Society
Similarity:
Atmaca, Sibel Paşalı (2010)
Abstract and Applied Analysis
Similarity:
Chiarella, Carl, Dieci, Roberto, Gardini, Laura (2001)
Discrete Dynamics in Nature and Society
Similarity:
Ilhem, Djellit, Amel, Kara (2006)
Discrete Dynamics in Nature and Society
Similarity:
Hassler Whitney (1937)
Compositio Mathematica
Similarity:
Simon, Peter L., Farkas, Henrik
Similarity:
John S. Griffin, Jr (1956-1958)
Compositio Mathematica
Similarity:
Anderson, Douglas R. (2006)
Advances in Difference Equations [electronic only]
Similarity:
Peter Giblin, Paul Holtom (1999)
Banach Center Publications
Similarity:
A centrally symmetric plane curve has a point called it’s centre of symmetry. We define (following Janeczko) a set which measures the central symmetry of an arbitrary strictly convex plane curve, or surface in . We investigate some of it’s properties, and begin the study of non-convex cases.