Abstract
It is shown that the sign of the second variation of locally strongly convex affine minimal hypersurfaces in affine space A n for n ≥ 4 can not be determined by a suitable reduction to a sum of squares as was done for n = 3 in [3]. Also we prove that strictly stable locally strongly convex affine minimal hypersurfaces are a relative weak maximum of the affine area functional, and give an affine version of the Morse-Smale index theorem [16].
Similar content being viewed by others
References
W. Blaschke. Affine Differentialgeometrie. Springer, Berlin, 1923.
F. E. Browder. On the spectral theory of elliptic differential operators I. Math. Annalen, 142: 22–130, 1961.
E. Calabi. Hypersurfaces with maximal affinely invariant area. American Journal of Mathematics, 104(1): 91–126, 1982.
L. Hörmander. On the uniqueness of the Cauchy problem II. Math. Scand., 7: 177–190, 1959.
E. Klingbeil. Variationsrechnung. BI Wissenschaftsverlag, Zürich, zweite Auflage, 1988.
R. Klötzler. Mehrdimensionale Variationsrechnung. Birkhäuser, Basel, 1970.
P. Krauter. Extremaleigenschajten von Affinminimalhyperflächen. Doktorarbeit, Universität Stuttgart, 1993.
X. Li-Jost. Eindeutigkeit und Verzweigung von Minimalflächen. Preprint Sonderforschungsbereich 237, Essen, Bochum, Düsseldorf, 1991.
L. Nirenberg. Uniqueness in Cauchy problems for differential equations with constant leading coefficients. Communications on Pure and Applied Mathematics, X: 89–05, 1957.
J. C. C. Nitsche. A new uniqueness theorem for minimal surfaces. Archive Rat. Mech. Anal, 52: 319–329,1973.
R. S. Palais. Foundations of Global Non-linear Analysis. Benjamin, New York, 1968.
L. Scheeffer. Über die Bedeutung der Begriffe „Maximum und Minimum“ in der Variationsrechnung. Math. Annalen, 26: l17–208, 1886.
P. A. Schirokow und A. P. Schirokow. Affine Differentialgeometrie. Teubner, Leipzig, 1962.
H. A. Schwarz. Gesammelte Mathematische Abhandlungen, Erster Band. Springer, Berlin, 1890.
J. Simons. Minimal varieties in a Riemannian manifold. Annals of Math., 88: 64–111, 1968.
S. Smale. On the Morse index theorem. Journal of Mathematics and Mechanics, 14(6): 1049–1055, 1965.
S. Smale. Corrigendum ’On the Morse index theorem’. Journal of Mathematics and Mechanics, 16(9): 1069–1070,1967.
L. Verstraelen und L. Vrancken. Affine variation formulas and affine minimal surfaces. Michigan Math. Journal, 36: 77–93, 1989.
J. Wloka. Partielle Differentialgleichungen. Teubner, Stuttgart, 1982.
J. Wloka und A. Voigt. Hilberträume und elliptische Differentialoperatoren. BI Wissenschaftsverlag, Zürich, 1975.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Krauter, P. Maximum properties of affine minimal hypersurfaces. Results. Math. 24, 228–245 (1993). https://doi.org/10.1007/BF03322333
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF03322333