نتایج جستجو برای: ifn λ1
تعداد نتایج: 37832 فیلتر نتایج به سال:
In this paper we study a nonlinear boundary eigenvalue problema governed by the one-dimensional p-Laplacian operator with impulse, give some properties of first λ1 and prove existence eigenvalues sequence {λn}n∈N∗ using Lusternik-Schnirelman principle, as well characterization eigenvalues, discuss strict monotonicity that eigenfunction corresponding to second λ2 changes sign only once on [0, 1].
We report the case of a 9 years old girl (III.1), first referred at the age of 2 years for alopecia totalis, trachonychia and recurrent respiratory infections. Few months later, she was admitted for pneumonia and adrenal insufficiency secondary to ACTH hormone deficiency. The family history identified grandmother (I.2) and mother (II.2) with common variable immunodeficiency (CVID) (Fig. 1A). He...
The capacity for Borrelia burgdorferi to cause disseminated infection in humans or mice is associated with the genotype of the infecting strain. The cytokine profiles elicited by B. burgdorferi clinical isolates of different genotype (ribosomal spacer type) groups were assessed in a human PBMC co-incubation model. RST1 isolates, which are more frequently associated with disseminated Lyme diseas...
Semiring complexity is the version of arithmetic circuit complexity that allows only two operations: addition and multiplication. We show that semiring complexity of a Schur polynomial sλ(x1, . . . , xk) labeled by a partition λ = (λ1 ≥ λ2 ≥ · · · ) is bounded by O(log(λ1)) provided the number of variables k is fixed.
Let T be the quasi-nilpotent DT-operator. By use of Voiculescu’s amalgamated R-transform we compute the momets of (T −λ1)∗(T − λ1) where λ ∈ C, and the Brown-measure of T + √ Y , where Y is a circular element ∗-free from T for > 0. Moreover we give a new proof of Śniady’s formula for the moments τ(((T ∗)kT )) for k, n ∈ N.
UNLABELLED Influenza B virus causes annual epidemics and, along with influenza A virus, accounts for substantial disease and economic burden throughout the world. Influenza B virus infects only humans and some marine mammals and is not responsible for pandemics, possibly due to a very low frequency of reassortment and a lower evolutionary rate than that of influenza A virus. Influenza B virus h...
and Applied Analysis 3 which is extended to 0, πp and then 0, 2πp by symmetry, and then to all of as a 2πp periodic function. See, for example, 3, 4 . Note that, we have u1 > 0 in 0, T , and u1 is a nontrivial solution of 1.5 for α, β λ1, β , with arbitrary β ∈ . Obviously, this implies that λ1 × ⊂ Σp. Similarly, × λ1 ⊂ Σp with a corresponding nontrivial solution, −u1 < 0 in 0, T . It is helpfu...
Let {λj} ∞ j=0 be a sequence of distinct positive numbers. Let 1 ≤ p ≤ ∞ and Tn,p = Tn,p {λ0, λ1, λ2, . . . , λn} (x) denote the Lp extremal Müntz polynomial in [0, 1] with exponents λ0, λ1, λ2, . . . , λn. We investigate the zero distribution of {Tn,p} ∞ n=1. In particular, we show that if lim n→∞ λn n = α > 0, then the normalized zero counting measure of Tn,p converges weakly as n → ∞ to α π ...
Lisa Traynor has described an example of a two-component Legendrian ‘circular helix link’ Λ0 ⊔ Λ1 in the 1–jet space J(S) of the circle (with its canonical contact structure) that is topologically but not Legendrian isotopic to the link Λ1 ⊔ Λ0. We give a complete classification of the Legendrian realisations of this topological link type, as well as all other ‘cable links’ in J(S).
Motivated by questions in biology, we investigate the stability of equilibria of the dynamical system x = P (t)∇f(x) which arise as critical points of f , under the assumption that P (t) is positive semi-definite. It is shown that the condition ∫ ∞ λ1(P (t)) dt = ∞, where λ1(P (t)) is the smallest eigenvalue of P (t), plays a key role in guaranteeing uniform asymptotic stability and in providin...
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