نتایج جستجو برای: prime krasner hyperring
تعداد نتایج: 43201 فیلتر نتایج به سال:
2016 © American Water Works Association JOURNAL AWWA OCTOBER 2016 | 108:10 Water disinfection is one of the most important health advances, as millions of people worldwide receive quality drinking water every day from water systems (Calderon 2000). Chlorine, chloramines, chlorine dioxide, ozone, and ultraviolet irradiation are the most common disinfectants in use today; each produces its own su...
a note on character kernels in finite groups of prime power orde
let $r$ be a domain with quotiont field $k$, and let $n$ be a submodule of an $r$-module $m$. we say that $n$ is powerful (strongly primary) if $x,yin k$ and $xymsubseteq n$, then $xin r$ or $yin r$ ($xmsubseteq n$ or $y^nmsubseteq n$ for some $ngeq1$). we show that a submodule with either of these properties is comparable to every prime submodule of $m$, also we show tha...
let $n$ be a submodule of a module $m$ and a minimal primary decomposition of $n$ is known. a formula to compute baer's lower nilradical of $n$ is given. the relations between classical prime submodules and their nilradicals are investigated. some situations in which semiprime submodules can be written as finite intersection of classical prime submodule are stated.
Abstract The article is motivated by the recently published studies on injective and projective hypermodules. We present here a new characterization of normal First we define concept zero-divisors over hypermodule based it introduce class hypermodules, one divisible After presenting some their fundamental properties, will show that R -hypermodules M coincide whenever hyperring with no . Finally...
We first explain the historical and logical relations of hyperstructures introduced by M. Krasner and R. Rota, and generalized by T. Vougiouklis. Then, with our new algorithm based on our previous results on hypergroups and H v-groups of order 2, 3 and 4, we enumerate hyperrings and H v-rings. More precisely, we found 63 hyperrings of order 2, 875 H v-rings of order 2 and 33,277,642 hyperrings ...
Let Ω be an algebraic closure of Qp and let F be a finite extension of Qp contained in Ω. Given positive integers f and e, the number of extensions K/F contained in Ω with residue degree f and ramification index e was computed by Krasner. This paper is concerned with the number I(F, f, e) of F -isomorphism classes of such extensions. We determine I(F, f, e) completely when p2 ∤ e and get partia...
We consider three notions of factorization arising in different frameworks: factorizing languages, factorization of the natural numbers, factorizing codes. A language X ⊆ A∗ is called factorizing if there exists a language Y ⊆ A∗ such that XY = A∗ and the product is unambiguous. This is a decidable property for recognizable languages X . If we consider the particular case of unary alphabets, we...
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