BANACH LATTICE AM-ALGEBRAS

An analogue of Kakutani’s representation theorem for Banach lattice algebras is provided. We characterize Banach lattice algebras that embed as a closed sublattice-algebra of C(K) precisely as those with a positive approximate identity (eγ) such that x∗(eγ) → ⃦x∗⃦ for every positive functional x∗. W...

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Detalles Bibliográficos
Autores: Muñoz-Lahoz, D., Tradacete, P.
Tipo de recurso: artículo
Estado:Versión enviada para evaluación y publicación
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/420831
Acceso en línea:http://hdl.handle.net/10261/420831
https://www.scopus.com/inward/record.uri?eid=2-s2.0-105006528300&doi=10.1090%2Fproc%2F17173&partnerID=40&md5=d00c076d1ad0bee679945ba21887a78b
Access Level:acceso abierto
Palabra clave:AM-space
Banach lattice algebra
spaces of continuous functions
Descripción
Sumario:An analogue of Kakutani’s representation theorem for Banach lattice algebras is provided. We characterize Banach lattice algebras that embed as a closed sublattice-algebra of C(K) precisely as those with a positive approximate identity (eγ) such that x∗(eγ) → ⃦x∗⃦ for every positive functional x∗. We also show that every Banach lattice algebra with identity other than C(K) admits different product operations which are compatible with the order and the algebraic identity. This complements the classical result, due to Martignon, that on C(K) spaces pointwise multiplication is the unique compatible product. © 2025 American Mathematical Society.