🌐EnglishEnglishDeutschFrançaisPortuguêsTürkçeРусский日本語EntityQ245902· pop 5· linked from 71 articlesRiesz–Thorin theoremtheoremConnectionslinear mapEntityChebyshev's inequalityEntityCategoriesBanach spacesLp spacesOperator theoryTheorems in Fourier analysisTheorems in functional analysisTheorems in harmonic analysisTheorems involving convexity