For any non-compact Riemannian manifold M of dimension n ≥ 2 we previously defined a function λM : M×M → R+ = R+∪{+∞] only dependent on the conformal structure of M , and proved that for a class of manifolds containing all the proper subdomains of R, λ 1 n M was a distance on M [F1, F2]. The case of a domain G of R has been the object of several investigations leading to estimations of λG[V1, ....

During May 2009 and July 2011, we collected 357 mammals and examined each for ectoparasites. Among the ectoparasites collected, a new species of flea was discovered. This new species, Lentistivalius philippinensis, is described from the male sex only. Two males were recovered from two specimens of the soricid Crocidura grayi Dobson in Municipality Maria Aurora, Aurora Province, Luzon, Philippin...

Chemically defined media for the growth of Pasteurella tularensis have been described by Tamura and Fleming (1949) and more recently by Giesken (1954), Mager et al. (1954), and Traub et al. (1955). Upon application of the latter medium (Traub et al.) for the growth of a virulent strain of P. tularensis, it was noted that the viable cell yields were markedly lower than yields previously obtained...

A five-point thirty-two convergence order derivative-free iterative method to find simple roots of non-linear equations is constructed. Six function evaluations are performed achieve optimal 26-1 = 32 conjectured by Kung and Traub [1]. Secant approximation the derivative computed around initial guess. High attained constructing polynomials quotients for functional values.

In this paper we will examine self-accelerating in terms of convergence speed and the corresponding index of efficiency in the sense of Ostrowski–Traub of certain standard and most commonly used in practice multipoint iterative methods using several initial approximations for numerical solution of nonlinear equations due to optimal in the sense of the Kung–Traub algorithm of order 4, 8 and 16. ...

In this paper, we construct two new families of eighth-order methods for solving simple roots of nonlinear equations by using weight function and interpolation methods. Per iteration in the present methods require three evaluations of the function and one evaluation of its first derivative, which implies that the efficiency indexes are 1.682. Kung and Traub conjectured that an iteration method ...

In this work we make a bifurcation analysis for a single compartment representation of Traub model, one of the most important conductance-based models. The analysis focus in two principal parameters: current and leakage conductance. Study of stable and unstable solutions are explored; also Hop-bifurcation and frequency interpretation when current varies is examined. This study allows having con...

The virus of lymphocytic choriomeningitis is found in organs and body fluids of infected man and animals [Rivers and Scott (1935, 1936), Armstrong, Wooley and Onstott (1936), Traub (1935, 1936a, c), Smadel and Wall (1941, 1942), Findlay and Stern (1936) and Kreis (1937)]. Traub (1936b) reported that the cellular sediment of leucocytes and erythrocytes from the blood of one out of four mice test...

New methodologies are designed to reduce the time complexity of an implicit discrete-time differentiator and simulation implement it. They rely on Horner’s method Shaw-Traub algorithm. The algorithms compared for differentiators order 3, 7, 10. Half-Horner Full-Horner methods showed best performance complexity.