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On Mazur's sphere theorem

發(fā)布時(shí)間:2024-11-26 點(diǎn)擊次數(shù):

標(biāo)題:On Mazur's sphere theorem

報(bào)告時(shí)間:2024年1127日(星期14:00-1500

報(bào)告地點(diǎn):線(xiàn)上騰訊會(huì)議(會(huì)議ID:743-487-085,會(huì)議密碼:241127)

主講人:程慶進(jìn)

主辦單位:數(shù)學(xué)與統(tǒng)計(jì)學(xué)院

報(bào)告內(nèi)容簡(jiǎn)介:

Mazur's sphere theorem shows that the unit sphere of the L_p-space can be H?lder homeomorphic to the unit sphere of the Hilbert space with explicit H?lder estimates.  In this talk, we will prove that Mazur's sphere theorem can be inherited by spheres of  its subspaces. As its applications, we provide a quantitative refinement  of  the work of Ribe and Aharoni-Lindenstrauss.

主講人簡(jiǎn)介:

程慶進(jìn),廈門(mén)大學(xué)數(shù)學(xué)科學(xué)學(xué)院教授,博士生導(dǎo)師。近期主要研究Banach空間球面結(jié)構(gòu)理論及其應(yīng)用。主持多項(xiàng)國(guó)家自然科學(xué)面上基金,并參加一項(xiàng)國(guó)家自然科學(xué)重點(diǎn)基金。在J. Convex Anal.、J.Funct.Anal.、Studia Math.、Sci. China Ser. A等國(guó)際期刊上發(fā)表學(xué)術(shù)論文20多篇。