نتایج جستجو برای: aγ
تعداد نتایج: 89 فیلتر نتایج به سال:
Proposition 3. If A=〈A,∧,∨, ·, \, /, 1, γ〉 is a residuated lattice with a nucleus γ, then the algebra Aγ=〈Aγ ,∧,∨γ , ·γ , \, /, γ(1)〉 is a residuated lattice, where Aγ=γ[A] and for all x, y ∈ Aγ , x ∨γ y=γ(x ∨ y) and x ·γ y=γ(x · y). For a variety V of residuated lattices with modal operators, consider V∗, the full subcategory of V consisting of those pairs 〈B, 〉 such that B generates B as a re...
Let G be a finite group, and R be a commutative ring. This note proposes a generalization to any Green functor for G over R of the construction of the Hochschild cohomology ring HH∗(G,R) from the ordinary cohomology functor H∗(−, R). Another special case is the construction of the crossed Burnside ring of G from the ordinary Burnside functor. The general abstract setting is the following : let ...
Weak interactions are expected to induce a parity violating pion-nucleon coupling, h (1) πNN . This coupling should be measurable in a proposed experiment to study the parity violating asymmetry Aγ in the process ~n + p → d + γ. We compute the leading dependence of Aγ on the coupling h (1) πNN using recently developed effective field theory techniques and find an asymmetry of Aγ = +0.17 h (1) π...
We give a group theoretic characterization of geodesics with superlinear divergence in the Cayley graph of a right-angled Artin group AΓ with connected defining graph. We use this to prove that the divergence of AΓ is linear if Γ is a join and quadratic otherwise. As an application, we give a complete description of the cut points in any asymptotic cone of AΓ. We also show that every non-abelia...
Gelfand, Retakh, Serconek and Wilson, in [3], defined a graded algebra AΓ attached to any finite ranked poset Γ a generalization of the universal algebra of pseudo-roots of noncommutative polynomials. This algebra has since come to be known as the splitting algebra of Γ. The splitting algebra has a secondary filtration related to the rank function on the poset and the associated graded algebra ...
background: in the previous study, we have shown that the presence of a allele at position -588 in aγ-globin gene was highly frequent and closely associated with fetal hemoglobin elevation among β-thalassemia intermedia patients. therefore, we decided to investigate whether this allele (a allele at -588) could result in an increase in aγ-globin gene expression to ameliorate the severity of the ...
Background: In the previous study, we have shown that the presence of A allele at position -588 in Aγ-globin gene was highly frequent and closely associated with fetal hemoglobin elevation among β-thalassemia intermedia patients. Therefore, we decided to investigate whether this allele (A allele at -588) could result in an increase in Aγ-globin gene expression to ameliorate the severity of the ...
A study of indirect CP violation in D0 mesons through the determination of the parameter AΓ is presented using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb(-1), collected with the LHCb detector and recorded at the center-of-mass energy of 7 TeV at the LHC. The parameter AΓ is the asymmetry of the effective lifetimes measured in decays of D0 and D0 mesons ...
We present a simple proof of the fact that every countable group Γ is weak Rohlin, that is, there is in the Polish space AΓ of measure preserving Γ-actions an action T whose orbit in AΓ under conjugations is dense. In conjunction with earlier results this in turn yields a new characterization of non-Kazhdan groups as those groups which admit such an action T which is also ergodic.
Given ψ ∈ L2(R) and a finite sequence {(aγ , λγ)}γ∈Γ ⊆ R+ × R consisting of distinct points, the corresponding wavelet system is the set of functions { 1 a 1/2 γ ψ( x aγ − λγ)}γ∈Γ. We prove that for a dense set of functions ψ ∈ L2(R), the wavelet system corresponding to any choice of {(aγ , λγ)}γ∈Γ is linearly independent, and we derive explicite estimates for the corresponding lower (frame) bo...
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