Sharp estimates are obtained for the rates of blow up of the norms of embeddings of Besov spaces in Lorentz spaces as the parameters approach critical values.
@article{urn:eudml:doc:40882, title = {Sharp estimates of the embedding constants for Besov spaces.}, journal = {Revista Matem\'atica de la Universidad Complutense de Madrid}, volume = {19}, year = {2006}, pages = {161-182}, zbl = {1122.46018}, mrnumber = {MR2219827}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:40882} }
Edmunds, David E.; Evans, W. Desmond; Karadzhov, Georgi E. Sharp estimates of the embedding constants for Besov spaces.. Revista Matemática de la Universidad Complutense de Madrid, Tome 19 (2006) pp. 161-182. http://gdmltest.u-ga.fr/item/urn:eudml:doc:40882/