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In the geometries of stratified groups, we provide differentiability theorems for both functions of bounded variation and Sobolev functions. Proofs are based on a systematic application of the Sobolev-Poincaré inequality and the so-called representation formula.
Valentino Magnani. "Differentiability from the representation formula and the Sobolev-Poincaré inequality." Studia Mathematica 168.3 (2005): 251-272. <http://eudml.org/doc/285260>.
@article{ValentinoMagnani2005, abstract = {In the geometries of stratified groups, we provide differentiability theorems for both functions of bounded variation and Sobolev functions. Proofs are based on a systematic application of the Sobolev-Poincaré inequality and the so-called representation formula.}, author = {Valentino Magnani}, journal = {Studia Mathematica}, keywords = {Sobolev space; space of functions of generalized bounded variation; stratified group; distributional derivative}, language = {eng}, number = {3}, pages = {251-272}, title = {Differentiability from the representation formula and the Sobolev-Poincaré inequality}, url = {http://eudml.org/doc/285260}, volume = {168}, year = {2005}, }
TY - JOUR AU - Valentino Magnani TI - Differentiability from the representation formula and the Sobolev-Poincaré inequality JO - Studia Mathematica PY - 2005 VL - 168 IS - 3 SP - 251 EP - 272 AB - In the geometries of stratified groups, we provide differentiability theorems for both functions of bounded variation and Sobolev functions. Proofs are based on a systematic application of the Sobolev-Poincaré inequality and the so-called representation formula. LA - eng KW - Sobolev space; space of functions of generalized bounded variation; stratified group; distributional derivative UR - http://eudml.org/doc/285260 ER -