TY - JOUR AU - Cobos Díaz, Fernando AU - Fernández-Cabrera Marín, Luz María AU - Kühn, Thomas AU - Ullrich, Tino PY - 2009 DO - 10.1016/j.jfa.2008.12.013 SN - 0022-1236 UR - https://hdl.handle.net/20.500.14352/49863 T2 - Journal of Functional Analysis AB - We investigate the limit class of interpolation spaces that comes up by the choice θ = 0 in the definition of the real method. These spaces arise naturally interpolating by the J -method associated to the unit square. Their duals coincide with the... LA - eng M2 - 2321 PB - Academic Press-Elsevier Science KW - Extreme interpolation spaces KW - Real interpolation KW - J -functional KW - K-functional KW - Interpolation methods KW - Compact-Operators KW - Banach-Spaces KW - Polygons KW - Extrapolation KW - Reiteration KW - Duality KW - Mathematics associated to polygons KW - Compact operators KW - Lorentz–Zygmund function spaces KW - Spaces of operators TI - On an Extreme Class of Real Interpolation Spaces TY - journal article VL - 256 ER -