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HOME > Table of Contents and Abstracts > Vol. 56, No. 4
Tohoku Mathematical Journal
2004
December
SECOND SERIES VOL. 56, NO. 4
Tohoku Math. J.
56 (2004), 553-569
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Title
$p$-MODULE OF VECTOR MEASURES IN DOMAINS WITH INTRINSIC METRIC ON CARNOT GROUPS
Author
Irina Markina
(Received March 28, 2003, revised April 26, 2004) |
Abstract.
We define the extremal length of horizontal vector measures on a Carnot group and study capacities associated with linear sub-elliptic equations. The coincidence between the definition of the $p$-module of horizontal vector measure system and two different definitions of the $p$-capacity is proved. We show the continuity property of a $p$-module generated by a family of horizontal vector measures. Reciprocal relations between the $p$-capacity and $q$-module $(1/p+1/q=1)$ of horizontal vector measures are obtained. A peculiarity of our approach consists of the study of the above mentioned notions in domains with an intrinsic metric.
2000 Mathematics Subject Classification.
Primary 31B15; Secondary 22E30, 43A80.
Key words and phrases.
Carnot group, extremal length, vector measure, Carnot-Carathéodory metric, capacity.
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