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DOI: 10.46698/l0779-9998-4272-b

Order Properties of Homogeneous Orthogonally Additive Polynomials

Kusraeva, Z. A.
Vladikavkaz Mathematical Journal 2021. Vol. 23. Issue 3.
This is a survey of author's results on the structure of orthogonally additive homogeneous polynomials in vector, Banach and quasi-Banach lattices. The research method is based on the linearization by means of the power of a vector lattice and the canonical polynomial, presented in Section 1. Next, in Section 2, some immediate applications are given: criterion for kernel representability, existence of a simultaneous extension and multiplicative representation from a majorizing sublattice, a characterization of extreme extensions. Section 3 provides a complete description and multiplicative representation for homogeneous disjointness preserving polynomials. Section 4 is devoted to the problem of compact and weakly compact domination for homogeneous polynomials in Banach lattices. Section 5 deals with convexity and concavity of homogeneous polynomials between quasi-Banach lattices, while Section 6 handle the condition under which the quasi-Banach lattice of orthogonally additive homogeneous polynomials is \((p,q)\)-convex, or \((p,q)\)-concave, or geometrically convex. Section 7 provides a characterization and analytic description of polynomials representable as a finite sum of disjointness preserving polynomials. Finally, some challenging open problems are listed in Section 8.
Keywords: vector lattice, quasi-Banach lattice, the power of a vector lattice, polymorphism, linearization, factorization, domination problem, integral representations
Language: Russian Download the full text  
For citation: Kusraeva, Z. A. Order Properties of Homogeneous Orthogonally Additive Polynomials, Vladikavkaz Math. J., 2021, vol. 23, no. 3, pp. 91-112 (in Russian). DOI 10.46698/l0779-9998-4272-b
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