نتایج جستجو برای: weakly 2 primal rings
تعداد نتایج: 2593365 فیلتر نتایج به سال:
Several types of circular DNA molecules are now known. These are classified as single-stranded rings, covalently closed duplex rings, and weakly bonded duplex rings containing an interruption in one or both strands. Single rings are exemplified by the viral DNA from phiX174 bacteriophage. Duplex rings appear to exist in a twisted configuration in neutral salt solutions at room temperature. Exam...
The notions of pure ideals and pure submodules play an important role in the study of rings and their module categories. In this paper, we introduce right t-pure fuzzy ideals and pure fuzzy submodules of an R-module. We establish their basic properties, and use them to obtain fuzzy theoretic characterizations of right weakly regular rings. Among other results, we prove that a ring R is right we...
The ability to assemble weakly interacting subsystems is a prerequisite for implementing quantum information processing and generating controlled entanglement. In recent years, molecular nanomagnets have been proposed as suitable candidates for qubit encoding and manipulation. In particular, antiferromagnetic Cr7Ni rings behave as effective spin-1/2 systems at low temperature and show long deco...
We introduce the notion ofstrongly $alpha$-reversible rings which is a strong version of$alpha$-reversible rings, and investigate its properties. We firstgive an example to show that strongly reversible rings need not bestrongly $alpha$-reversible. We next argue about the strong$alpha$-reversibility of some kinds of extensions. A number ofproperties of this version are established. It is shown ...
These are the notes of my talk presented in the colloquium on discrete curvature at the CIRM, in Luminy (France) on November 21st, 2013, in which we study the space of triangulations from a purely geometric point of view and revisit the results presented in [21] and [20] (joint works with Patrick Mullen, Fernando De Goes and Mathieu Desbrun). Motivated by practical numerical issues in a number ...
چکیده: r را یک حلقه ی ni می نامند، هرگاه n^* (r)=n(r). در این نگارش، یک راه ساده برای ساخت یک حلقه ی niبیان می شود که یک حلقه ی 2-primal نیست .در این نگارش ساختار حلقه های ni نسبت به ایدال های به طور قوی اول بررسی می شود و ثابت می شود که ایدال به طور قوی اول را می توان با ایدال به طور قوی مینیمال جا به جا کرد. r را یک حلقه ی pm ( به طور ضعیفpm ) نامیده می شود، هرگاه هر ایدال اول (به طور قوی ا...
A long-standing conjecture due to Michael Freedman asserts that the 4-dimensional topological surgery conjecture fails for non-abelian free groups, or equivalently that a family of canonical examples of links (the generalized Borromean rings) are not A−B slice. A stronger version of the conjecture, that the Borromean rings are not even weakly A−B slice, where one drops the equivariant aspect of...
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