منابع مشابه
More Metanilpotent Fitting Classes with Bounded Chief Factor Ranks
Metanilpotent Fitting classes are given consisting of groups with elementary abelian Fitting quotient and fairly wide choices of the nilpotency class of the nilpotent residual. Many of the minimal normal subgroups are non-central. AMS subject classiication 20D10 1 Key sections The aim of this note is to establish further examples of Fitting classes of metanilpotent groups to further the transpa...
متن کاملOn the Shemetkov Problem for Fitting Classes ∗
Suppose that π be a set of primes and F a local Fitting class. Let Kπ(F) be the set of finite π-soluble groups with a Hall πsubgroup belonging to F. In this paper, we show that the class Kπ(F) is a local Fitting class. Thus, an interesting Shemetkov question for Fitting classes will be answered positively. By using the result, the F-radical of a Hall π-subgroup of a finite π-soluble group is de...
متن کاملOn Minimal Fitting Classes of Periodic, Infinite Groups
Examples of Fitting classes generated by certain periodic infinite groups are presented in this paper. The groups in question are finite extensions of direct products of quasi-cyclic (Priifer) groups and are, in particular, Cernikov groups. The methods applied follow closely those used for constructing Fitting classes of finite groups, especially in the case of nilpotent length three. 1991 Math...
متن کاملA Family of Dominant Fitting Classes of Finite Soluble Groups
In this paper a large family of dominant Fitting classes of finite soluble groups and the description of the corresponding injectors are obtained. Classical constructions of nilpotent and Lockett injectors as well as p-nilpotent injectors arise as particular cases. 1994 Mathematics subject classification (Amer. Math. Soc.): primary 20D10.
متن کاملSignal detection Using Rational Function Curve Fitting
In this manuscript, we proposed a new scheme in communication signal detection which is respect to the curve shape of received signal and based on the extraction of curve fitting (CF) features. This feature extraction technique is proposed for signal data classification in receiver. The proposed scheme is based on curve fitting and approximation of rational fraction coefficients. For each symbo...
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ژورنال
عنوان ژورنال: Journal of the Australian Mathematical Society
سال: 1974
ISSN: 0004-9735
DOI: 10.1017/s1446788700017067