نتایج جستجو برای: h derivative

تعداد نتایج: 588642  

Journal: :bulletin of the iranian mathematical society 0
e. kazemi isfahan university of technology, isfahan, iran

we derive error estimates in the appropriate norms, for the streamlinediffusion (sd) finite element methods for steady state, energy dependent,fermi equation in three space dimensions. these estimates yield optimal convergencerates due to the maximal available regularity of the exact solution.high order sd method together with implicit integration are used. the formulationis strongly consistent...

2009
M. Shifman A. Yung

In this paper we investigate the nature of the transition from Abelian to non-Abelian confinement (i.e. crossover vs. phase transition). To this end we consider the basic N = 2 model where non-Abelian flux tubes (strings) were first found: supersymmetric QCD with the U(N) gauge group and N f = N flavors of fundamental matter (quarks). The Fayet–Iliopoulos term ξ triggers the squark condensation...

Journal: :Mathematics 2022

In this paper, a derivative for functions f:G→H, where G is any metric divisible group and H Abelian with metric, defined. Basic differentiation theorems are stated demonstrated. particular, we obtain the Chain Role.

1-Methyl-1H-imidazol-3-ium 2,3,4,5,6-pentafluorophenolate [mim]C6F5O as a novel nano ionic liquid was designed, synthesized and characterized by using various techniques such as Fourier transform spectroscopy infrared (FT-IR), nuclear magnetic resonance (NMR), x-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), ener...

Journal: :Appl. Math. Lett. 2013
Artur M. C. Brito da Cruz Natália Martins Delfim F. M. Torres

While the functions in (1.1) do not have ordinary derivatives at t = 0, they have symmetric derivatives: f s (0) = g (0) = h (0) = 0. For a deeper understanding of the symmetric derivative and its properties, we refer the reader to the specialized monograph [8]. Here we note that the symmetric quotient (f (t+ h)− f (t− h)) /(2h) has, in general, better convergence properties than the ordinary d...

Journal: :Nucleic acids research 1992
I Treich C Carles A Sentenac M Riva

In a previous study, yeast RNA polymerase II(B) was affinity labeled with two nucleotide derivatives (III and VIII) (1). In both cases, the labeled site was localized to the C-terminal part of the B150 subunit. The potential target lysyl residues of derivative III were mapped to the conserved domain H, between Asn946 and Met999. In the present work, we have mutagenized to arginine the five lysi...

Journal: :Cancer research 1986
K Chaudhuri P J Goldblatt M Kreimer-Birnbaum R W Keck S H Selman

Hematoporphyrin derivative photodynamic therapy is evolving as a local treatment for neoplastic disease. The emphasis of previous research has been on the determination of mechanisms of tumoricidal activity and defining the tumoricidal porphyrin component in hematoporphyrin derivative. The effect of hematoporphyrin derivative photodynamic therapy on normal tissue has received little attention. ...

M. Gandomkar, M. Ghannadi Maragheh, M. Shamsaei, S.P. Shirmardi,

Background: Chlorotoxin is a 36-amino acid peptide found in the venom of the Leiurus quinquestriatus which blocks small-conductance chloride channels. Chlorotoxin binds preferentially to glioma cells that allow development of new methods for the treatment and diagnosis of several types of cancer. Thus chlorotoxin derivative was labeled with 131I for further investigation. Materials and...

2010
T. N. Hill G. Steyl

The title compound, [Rh(C(17)H(15)Cl(2)N(2))(CO)(2)], is a rhodium(I) derivative of a β-diketiminato moiety. It is an example of a new type of β-diketiminate derivative that has not yet been characterized via solid-state methods. The complex crystallizes with a distorted square-planar geometry about the Rh(I) atom (m symmetry). A weak inter-molecular C-H⋯O contact is observed.

2012
Nicolas Privault

Given a divergence operator δ on a probability space such that the law of δ(h) is infinitely divisible with characteristic exponent h 7→ − 2 ∫ ∞ 0 htdt, or ∫ ∞ 0 (e − ih(t)− 1)dt, h ∈ L(R+), (0.1) we derive a family of Laplace transform identities for the derivative ∂E[eλδ(u)]/∂λ when u is a non-necessarily adapted process. These expressions are based on intrinsic geometric tools such as the Ca...

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