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Suppose S ⊆ R is a set of (finite) cardinality n whose complement can be written as the union of k convex sets. It is perhaps intuitively appealing that when n is large k must also be large. This is true, as is shown here. First the case in which the convex sets must also be open is considered, and in this case a family of examples yields an upper bound, while a simple application of a theorem ...
It was shown by A.V.Mikhalev and I.A.Pinchuk in [MP] that the second homology group H2(st(m,n,R)) of the Steinberg Lie superalgebra st(m,n,R) is trivial for m+n ≥ 5. In this paper, we will work out H2(st(m,n,R)) explicitly for m + n = 3, 4. Introduction Steinberg Lie algebras stn(R) play an important role in (additive) algebraic K-theory. They have been studied by many people (see [L] and [GS],...
BACKGROUND The herbicide glyphosate has a synergistic effect on root disease because of increased susceptibility from reduced plant defenses resulting from the blockage of the shikimic acid pathway. Could glyphosate-resistant (GR) wheat cultivars and glyphosate application in-crop increase the risk of damage from soil-borne pathogens? Growth chamber experiments were conducted with two GR wheat ...
استفاده از روشهائی که بدون نیاز به تخریب بافت، وضعیت تغذیهای نیتروژن (N) گیاه را به سرعت برآورد کنند میتواند در عملیات مدی...
The hydraulic architecture of leaves represents the final path along which liquid water travels through the plant and comprises a significant resistance for water movement, especially for grasses. We partitioned leaf hydraulic resistance of six genotypes of Sorghum bicolor L. (Moench) into leaf specific hydraulic resistance within the large longitudinal veins (rLV) and outside the large veins (...
BACKGROUND Diabetes mellitus (DM) is associated with coronary artery disease (CAD) progression. Although previous studies have demonstrated the association of lipid and lipoprotein ratios with CAD, no data are currently available concerning the relationship between lipid and lipoprotein ratios and the severity of new on-set CAD in diabetics. Therefore, the aim of the present study was to invest...
32. Hunter SM, Webber LS, Berenson GS: Cigarette smoking and tobacco usage behavior in children and adolescents: Bogalusa 38. Heart Study. Prev Med 9: 701, 1980 33. Hunter SM, Wolf TM, Sklov MC, Webber LS, Watson RM, Berenson GS: Type A coronary-prone behavior pattern and 39. cardiovascular risk factor variables in children and adolescents — the Bogalusa Heart Study. J Chron Dis 35: 613, 1982 3...
Bronchodilators are a central therapy for symptom relief in respiratory diseases such as chronic obstructive pulmonary disease (COPD) and asthma, with inhaled β 2-adrenoceptor agonists and anticholinergics being the primary treatments available. The present studies evaluated the in vivo pharmacology of (R)-6-[[3-[[4-[5-[[2-Hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethyl]amino]pent-1-y...
STUDY OBJECTIVES Recent findings suggest few differences in sleep continuity and quality between borderline personality disorder individuals (BPD-I) and good sleepers (GS). Nonetheless, BPD-I show marked discrepancies between subjective and objective sleep measures. The objective of this study was to document sleep in BPD-I, GS, and insomnia sufferers (paradoxical, Para-I; psychophysiological, ...
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