نتایج جستجو برای: lambda

تعداد نتایج: 25867  

Journal: :New Zealand journal of mathematics 2021

This paper continues our investigation of the dynamics families transcendental meromorphic functions with finitely many singular values all which are finite. Here we look at a generalization family polynomials $P_a(z)=z^{d-1}(z- \frac{da}{(d-1)})$, $f_{\lambda}=\lambda \tan^p z^q$. These have super-attractive fixed point, and, depending on $p$, one or two asymptotic values. Although dynamical p...

Journal: :Dalton transactions 2010
Guang-Chuan Ou Zi-Zhou Wang Li-Zi Yang Cun-Yuan Zhao Tong-Bu Lu

The enantiopure agents d- and l-leucine, selectively bind RR and SS enantiomers from a racemate [Ni(alpha-rac-L)](2+) to give {[Ni(RR-L)(d-HLeu)](ClO(4))(2)}(n) (Delta-) and {[Ni(SS-L)(l-HLeu)](ClO(4))(2)}(n) (Lambda-), respectively, and leave the corresponding uninteracted SS and RR enantiomers of [Ni(alpha-SS-L)](ClO(4))(2) (S-) and [Ni(alpha-RR-L)](ClO(4))(2) (R-). Occasionally, a few crysta...

Journal: :Nucleic Acids Research 2006
Giovanni Maga Igor Shevelev Giuseppe Villani Silvio Spadari Ulrich Hübscher

DNA polymerase lambda (pol lambda) is a member of the X family DNA polymerases and is endowed with multiple enzymatic activities. In this work we investigated the in vitro miscoding properties of full-length, human pol lambda either in the absence or in the presence of the human auxiliary proteins proliferating cell nuclear antigen (PCNA) and replication protein A (RP-A). Our data suggested tha...

Journal: :Biochemical Society transactions 2006
Noreen E Murray

Experiments using phage lambda provided early insights into important molecular mechanisms, including genetic recombination and the control of gene expression. Before recombinant DNA technology, the use of lambda, most particularly lambda transducing phages, illustrated the importance of cloning bacterial genes, already providing some insight into how to use cloned genes to advantage. Subsequen...

2004
Silvia Ghilezan Silvia Likavec

A general method is developed for proving reduction properties of untyped lambda terms. It is an extension of the reducibility method for typed lambda terms which leads to uniform proofs of confluence and standardization in untyped lambda calculus.

Journal: :Theor. Comput. Sci. 1995
Moez Alimohamed

Lambda deenability is characterized in categorical models of simply typed lambda calculus with type variables. A category-theoretic framework known as glueing or sconing is used to extend the Jung-Tiuryn characterization of lambda deenability JuT93], rst to ccc models, and then to categorical models of the calculus with type variables. Logical relations are now a well-established tool for study...

Journal: :Journal of virology 1980
P E Highfield L F Rafield T M Gilmer J T Parsons

Unintegrated, circular viral DNA, isolated from Prague A avian sarcoma virus (PrA-ASV)-infected quail cells (QT6), was cloned in the lambda vector lambda gtWES x lambda B. Three independent lambda-ASV recombinants were identified, and each contained a complete copy of the PrA-ASV genome. The arrangement of the ASV sequences within the recombinants was determined by restriction enzyme analysis a...

2005
T. Zhou

The least-squares ambiguity Decorrelation (LAMBDA) method has been widely used in GNSS for fixing integer ambiguities. It can also solve any integer least squares (ILS) problem arising from other applications. For real time applications with high dimensions, the computational speed is crucial. A modified LAMBDA (MLAMBDA) method is presented. Several strategies are proposed to reduce the computa...

Journal: :Fundam. Inform. 2001
Antonino Salibra

The variety (equational class) of lambda abstraction algebras was introduced to algebraize the untyped lambda calculus in the same way cylindric and polyadic algebras algebraize the first-order predicate logic. In this paper we prove that the lattice of lambda theories is not modular and that the variety generated by the term algebra of a semi-sensible lambda theory is not congruence modular. A...

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