نتایج جستجو برای: skew pi armendariz ring
تعداد نتایج: 175123 فیلتر نتایج به سال:
From electron-positron collision data collected with the CLEO detector operating at Cornell Electron Storage Ring near sqrt[s]=10.6 GeV, improved measurements of the branching fractions for tau decays into three explicitly identified hadrons and a neutrino are presented as B(tau(-)-->pi(-)pi(+)pi(-)nu(tau))=(9.13+/-0.05+/-0.46)%, B(tau(-)-->K-pi(+)pi(-)nu(tau))=(3.84+/-0.14+/-0.38) x 10(-3), B(...
In this note we will show that the dilation result obtained for fractional skew monoid rings, in the case of a cancellative left Ore monoid S acting on a unital ring A by corner isomorphisms, holds in full generality. We apply this result to the context of semigroup C∗-crossed products.
In the crystal structure of the title salt, C(2)H(8)NO(+)·C(7)H(6)NO(5)S(-), the cations and anions are linked together by N-H⋯O and O-H⋯O hydrogen bonds, forming layers parallel to (100). The plane of nitro group is skew with respect to the plane of benzene ring, making a dihedral angle of 17.5 (2)°.
In the title compound, C(20)H(20)ClFN(4)O(3), the tetra-hydro-pyridone ring adopts a skew boat conformation. The dihedral angle between the mean planes of the benzene and pyridine rings is 80.7 (3)°. In the crystal, weak C-H⋯O inter-actions are observed.
We construct trace codes over Z4 by using Boolean functions and skew sets, respectively. Their Lee weight distribution is studied by using a Galois ring version of the Walsh-Hadamard transform and exponential sums. We obtain a new family of optimal two-weight codes over Z4.
We give necessary and sufficient conditions for a skew polynomial ring K[t; σ, δ] over a division ring K to be a left V -domain. In particular, when this ring admits a unique simple left module, the conditions obtained include: 1) all polynomials are Wedderburn, 2) all n× n matrices over K are (σ, δ)-similar. We also provide necessary and sufficient conditions for this ring to be both left and ...
طراحی شبکه توزیع پالس ساعت در سطح عمومی برای ریزپردازنده های چند گیگاهرتزی بطور روزافزونی مشکل ، وقت گیر و پیچیده میشود. ازآنجا که مشکلاتی از قبیل اختلاف مکانی یا زمانی در رسیدن پالس ساعت jitter,skew) ( از چالشهای اصلی و اساسی شبکه توزیع پالس ساعت بوده اند، با ادامه روند افزایش فرکانس کاری ریزپردازنده ها این دو فاکتور skew و jitter باید نسبت به طول دوره پالس ساعت کاهش یابند.از این رو روشهای گون...
Linear codes may be endowed with cyclic structures by means of skew polynomial rings. This is the case of Piret cyclic convolutional codes [26] and the subsequent generalizations and alternatives (see [27], [14], [11], [25], [16], [20]). Non commutative cyclic structures of this kind have been also considered for block linear codes ([7], [5], [4], [12], [1]), and for linear codes over commutati...
This paper introduces skew dihedral group rings and their applications for public-key cryptography. We present a specific ring that is the underlying algebraic platform our cryptographic constructions. then build two-party key exchange protocol an analysis of its security. exploit it to derive agreement protocol, probabilistic scheme, encapsulation mechanism. In addition security constructions,...
two digraphs of same order are said to be skew-equienergetic if theirskew energies are equal. one of the open problems proposed by li andlian was to construct non-cospectral skew-equienergetic digraphs onn vertices. recently this problem was solved by ramane et al. inthis paper, we give some new methods to construct new skew-equienergeticdigraphs.
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