Majorization for Compact and Weakly Compact Polynomials on Banach Lattices

Author(s):  
Yongjin Li ◽  
Qingying Bu
1993 ◽  
Vol 35 (2) ◽  
pp. 207-217 ◽  
Author(s):  
Denny H. Leung

A Banach space E is said to have Property (w) if every operator from E into E' is weakly compact. This property was introduced by E. and P. Saab in [9]. They observe that for Banach lattices, Property (w) is equivalent to Property (V*), which in turn is equivalent to the Banach lattice having a weakly sequentially complete dual. Thus the following question was raised in [9].Does every Banach space with Property (w) have a weakly sequentially complete dual, or even Property (V*)?In this paper, we give two examples, both of which answer the question in the negative. Both examples are James type spaces considered in [1]. They both possess properties stronger than Property (w). The first example has the property that every operator from the space into the dual is compact. In the second example, both the space and its dual have Property (w). In the last section we establish some partial results concerning the problem (also raised in [9]) of whether (w) passes from a Banach space E to C(K, E).


2009 ◽  
Vol 42 (4) ◽  
Author(s):  
Belmesnaoui Aqzzouz ◽  
Khalid Bourass

AbstractWe characterize Banach lattices for which each positive weak Dunford-Pettis operator is weakly compact. As consequences, we obtain some interesting results on reflexive Banach lattices.


1981 ◽  
Vol 257 (3) ◽  
pp. 317-334 ◽  
Author(s):  
T. Figiel ◽  
N. Ghoussoub ◽  
W. B. Johnson

2012 ◽  
Vol 61 (3) ◽  
pp. 355-360
Author(s):  
Khalid Bouras ◽  
Abdelmonaim El Kaddouri ◽  
Jawad H’michane ◽  
Mohammed Moussa

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