نتایج جستجو برای: subnormal subgroup
تعداد نتایج: 87722 فیلتر نتایج به سال:
We construct three different families of commuting pairs of subnormal operators, jointly hyponormal but not admitting commuting normal extensions. Each such family can be used to answer in the negative a 1988 conjecture of R. Curto, P. Muhly and J. Xia. We also obtain a sufficient condition under which joint hyponormality does imply joint subnormality.
In a series of investigations between 1949 and 1958 an assessment was made of the medical, nursing, and social needs of Birmingham hospital patients (Lowe and McKeown, 1949; Garratt, Lowe, and McKeown, 1957, 1958a, b; McKeown, Mackintosh, and Lowe, 1961). The most significant finding was the heterogeneity of patients in each type of hospital-acute, mental, and chronic -and it was suggested that...
The present study was carried out to investigate the potential of dietary supplemental mixture of three phytogenics; carvacrol, cinnamaldehyde and capsicum oleoresin (Xtract TM® ) as growth promoter, under normal and subnormal temperature conditions. It was hypothesized that this mixture may alleviate the negative effects of cold stress on broilers performance and their immune response. Six hun...
let $h$, $l$ and $x$ be subgroups of a finite group$g$. then $h$ is said to be $x$-permutable with $l$ if for some$xin x$ we have $al^{x}=l^{x}a$. we say that $h$ is emph{$x$-quasipermutable } (emph{$x_{s}$-quasipermutable}, respectively) in $g$ provided $g$ has a subgroup$b$ such that $g=n_{g}(h)b$ and $h$ $x$-permutes with $b$ and with all subgroups (with all sylowsubgroups, respectively) $v$...
OBJECTIVE The Bayley Scales of Infant Development, Second Edition (BSID II) are commonly used to assess outcomes of extremely low birth weight (ELBW) infants. We sought to assess the predictive validity of the BSID II Mental Developmental Index (MDI) for cognitive function at school age. DESIGN/METHODS Of 330 ELBW infants admitted in 1992-1995, 238 (72%) survived to the age of 8 years, of who...
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