We introduce the generalized area operators by using nonnegative measures defined on upper half-spaces R+^n+1. The characterization of the boundedness and compactness of the generalized area operator from LP(]Rn) ...We introduce the generalized area operators by using nonnegative measures defined on upper half-spaces R+^n+1. The characterization of the boundedness and compactness of the generalized area operator from LP(]Rn) to Lq(IRn) is investigated in terms of s-Carleson measures with 1 〈 p, q 〈 +∞. In the case of p = q = 1, the weak type estimate is also obtained.展开更多
基金Acknowledgements The authors were partially supported by the National Natural Science Foundation of China (Grant No. 11271162), the Natural Science Foundation of Zhejiang Province (Y6110824), and the second author was also partially supported by the Natural Science Foundation of Zhejiang Province (Y6100810).
文摘We introduce the generalized area operators by using nonnegative measures defined on upper half-spaces R+^n+1. The characterization of the boundedness and compactness of the generalized area operator from LP(]Rn) to Lq(IRn) is investigated in terms of s-Carleson measures with 1 〈 p, q 〈 +∞. In the case of p = q = 1, the weak type estimate is also obtained.
基金Supported by the National Natural Science Foundation of China(11871452,12071052the Natural Science Foundation of Henan(202300410338)the Nanhu Scholar Program for Young Scholars of XYNU。