Resultats globals: 3 registres trobats en 0.02 segons.
Articles, 3 registres trobats
Articles 3 registres trobats  
1.
16 p, 372.2 KB Integral restriction for bilinear operators / Zhao, Weiren (Zhejiang University. Department of Mathematics) ; Wang, Meng (Zhejiang University. Department of Mathematics) ; Zhao, Guoping (Xiamen University of Technology. School of Applied Mathematics)
We consider the integral domain restriction operator TΩ for certain bilinear operator T. We obtain that if (s, p1, p2) satisfies 1 p1+ 1 p2 ≥ 2 min{1,s} and kTkLp1 ×Lp2→Ls < ∞, then kTΩkLp1 ×Lp2→Ls < ∞. [...]
2016 - 10.5565/PUBLMAT_60216_06
Publicacions matemàtiques, Vol. 60 Núm. 2 (2016) , p. 485-500 (Articles)  
2.
31 p, 614.3 KB Compactness of higher-order Sobolev embeddings / Slavíková, Lenka (Univerzita Karlova (Praga, República Txeca). Department of Mathematical Analysis)
We study higher-order compact Sobolev embeddings on a domain ∩ ⊆Rn endowed with a probability measure ∨ and satisfying certain isoperimetric inequality. Given m ∈ N, we present a condition on a pair of rearrangement-invariant spaces X( ∩,∨) and Y ( ∩,∨) which suffices to guarantee a compact embedding of the Sobolev space V m X ( ∩,∨) into Y (∩,∨). [...]
2015 - 10.5565/PUBLMAT_59215_06
Publicacions matemàtiques, Vol. 59 Núm. 2 (2015) , p. 373-448 (Articles)  
3.
54 p, 537.9 KB Two-weight norm inequalities for potential type and maximal operators in a metric space / Kairema, Anna
We characterize two-weight norm inequalities for potential type integral operators in terms of Sawyer-type testing conditions. Our result is stated in a space of homogeneous type with no additional geometric assumptions, such as group structure or non-empty annulus property, which appeared in earlier works on the subject. [...]
2013 - 10.5565/PUBLMAT_57113_01
Publicacions matemàtiques, Vol. 57, Núm. 1 (2013) , p. 3-56  

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