منابع مشابه
Sieve Methods in Group Theory I: Powers in Linear Groups
The sieve method is a classic one in number theory (see, for example, [FI]). Recently it found some applications in a non-commutative setting. On the one hand, Bourgain-Gamburd-Sarnak [BGS1] applied it in studying almost-prime vectors in orbits of non-commutative groups acting on Z. On the other hand, Rivin [Ri] and Kowalski [Ko] used it to study generic properties of elements in the mapping cl...
متن کاملCanonical Community Ordination. Part I: Basic Theory and Linear Methods
Canonical community ordination comprises a collection of methods that relate species assemblages to their environment, in both observational studies and designed experiments. Canonical ordination differs from ordination sensu stricto in that species and environment data are analyzed simultaneously. Part I reviews the theory in a non-mathematical way with emphasis on new insights for the interpr...
متن کاملConstruction of Convolutional Codes Using Methods from Linear Systems Theory
Using two diierent matrix pencil descriptions two new classes of convolutional codes with designed lower free distance are introduced.
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ژورنال
عنوان ژورنال: Physical Review B
سال: 1975
ISSN: 0556-2805
DOI: 10.1103/physrevb.12.3060