In the qualitative study of systems ordinary differential equations, we can analyze dynamics solutions by observing whether small variations or modifications in initial conditions produce changes future, this intuitive idea was formalized and studied Lyapunov reflects concept stability. For both linear nonlinear stability using criteria to obtain Hurwitz type polynomials. paper, a prey-predator...

this paper is devoted to study of a partial differential equation governing panel motion in supersonic flow. this pde can be transformed to an ode by means of a galerkin method. here by using a criterion which is closely related to the routh-hurwitz criterion, we investigate the mentioned transformed ode from hopf bifurcation point of view. in fact we obtain a region for existence of simple hop...

This paper reviews the problem of a thin rigid rod sliding on a horizontal surface in the plane, which is commonly cited as an example of the inconsistency of planar rigid-body Newtonian mechanics. We demonstrate the existence of a consistent solution, using Routh's analysis of rigid-body impact. Copyright © 1987 Carnegie-Mel lon University This work was supported under grants from the System D...

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We clarify the explici structure of the Hurwitz quaternion order, which is of fundamental importance in Riemann surface theory.

We formulate Goldbach type questions for Gaussian, Hurwitz, Octavian and Eisenstein primes.

Let B be a smooth, connected, projective complex curve of genus h. For w ≥ 2d we prove the irreducibility of the Hurwitz stack H Sd (B) parametrizing degree d covers of B simply-branched over w points, and with monodromy group Sd.

This paper investigates a generalization the classical Hurwitz zeta function. It is shown that many of the properties exhibited by this special function extends to class of functions called hypergeometric Hurwitz zeta functions, including their analytic continuation to the complex plane and a pre-functional equation satisfied by them. As an application, a formula for moments of hypergeometric H...