On an Open Problem about how to Recognize Constant Functions

• Autores: Radu Ignat
• Localización: Houston journal of mathematics, ISSN 0362-1588, Vol. 31, Nº 1, 2005, págs. 285-304
• Idioma: inglés
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• Resumen

  • In this paper we generalize a result of Bourgain, Brezis and Mironescu about how to recognize constant functions; its motivation comes from the uniqueness of the lifting in some Sobolev spaces. We also answer to an open question raised by Brezis concerning the previous result.