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This paper concerns determination of a convex bodies by values of +oo- -oo-and i-chord functions. We prove that any at least two-dimensional convex body is not determined by values of -oo-chord functions at any two internal points. We also present some positive results on determination of convex bodies using -oo- or +oo-chord function at one point and i-chord function at other one.
Wydawca
Czasopismo
Rocznik
Tom
Strony
183--194
Opis fizyczny
Bibliogr. 10 poz.
Twórcy
autor
autor
- Dip. di Scienze Matematiche Universita Degli Studi Piazzale Europa 1 34127 Trieste, Italy, soranzo@mathsun1.univ.trieste.it
Bibliografia
- [1] K. Borsuk, Drei Sätze Über die n-dimensionale euklidische Sphäre, Fund. Math. 20 (1933), 177-190.
- [2] K. J. Falconer, X-ray problems for point sources, Proc. London Math. Soc. 3 46 (1983), 241-262.
- [3] R. J. Gardner, Chord functions of convex bodies, J. London Math. Soc. 2 36 (1987), 314-326.
- [4] R. J. Gardner, Geometric Tomography, Cambridge Univ. Press, 1995.
- [5] R. J. Gardner, A. Volčič, Tomography of convex and star bodies, Advances in Math. 108 n. 2 (1994), 367-399.
- [6] P. J. Kelly, Curves with a kind of constant width, Amer. Math. Monthly 64 (1957), 333-336.
- [7] A. Soranzo, Determination of convex bodies from ±?-chord functions, Rend. Ist. Mat. Univ. Trieste Vol. XXX, fasc. I e II, (1999), 129-139.
- [8] W. Süss, Eibereche mit ausgezeichneten Punkten; Sehnen-, Inhalts- und Umfangspunkte, Tôhoku Math. J. 25 (1925), 86-98.
- [9] L. Zuccheri, Approximation of convex bodies from chord functions, Geom. Dedicata 27 (1988), 335-348.
- [10] L. Zuccheri, Characterization of the circle by equipower properties, Arch. Math. 58 (1992), 199-208.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-PWA3-0021-0019