Minimal cubic cones via Clifford algebras

Abstract

We construct two infinite families of algebraic minimal cones in $R^n$. The first family consists of minimal cubics given explicitly in terms of the Clifford systems. We show that the classes of congruent minimal cubics are in one to one correspondence with those of geometrically equivalent Clifford systems. As a byproduct, we prove that for any $n\ge 4$, $n\ne 16k+1$, there is at least one minimal cone in $R^n$ given by an irreducible homogeneous cubic polynomial. The second family consists of minimal cones in $R^{m^2}$, $m\ge 2$, defined by an irreducible homogeneous polynomial of degree $m$. These examples provide particular answers to the questions on algebraic minimal cones posed by Wu-Yi Hsiang in the 1960's.

Final version, corrects typos in Table 1

References in corpus (3)

• Merger Transitions in Brane--Black-Hole Systems: Criticality, Scaling, and Self-Similarity
• A generalization of Cartan's theorem on isoparametric cubics
• The Bernstein Conjecture, Minimal Cones, and Critical Dimensions

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