Results 11 to 20 of about 156 (23)

A Fast Approach to Creative Telescoping [PDF]

open access: yes, 2010
In this note we reinvestigate the task of computing creative telescoping relations in differential-difference operator algebras. Our approach is based on an ansatz that explicitly includes the denominators of the delta parts.
Koutschan, Christoph
core   +2 more sources

Computation of the unipotent radical of the differential Galois group for a parameterized second-order linear differential equation [PDF]

open access: yes, 2014
We propose a new method to compute the unipotent radical $R_u(H)$ of the differential Galois group $H$ associated to a parameterized second-order homogeneous linear differential equation of the form \[\tfrac{\partial^2}{\partial x^2}Y-qY=0,\] where $q ...
Arreche, Carlos E.
core   +1 more source

Computing periods of rational integrals [PDF]

open access: yes, 2014
A period of a rational integral is the result of integrating, with respect to one or several variables, a rational function over a closed path.
Lairez, Pierre
core   +7 more sources

A genus six cyclic tetragonal reduction of the Benney equations [PDF]

open access: yes, 2009
A reduction of Benney’s equations is constructed corresponding to Schwartz–Christoffel maps associated with a family of genus six cyclic tetragonal curves.
England, M., Gibbons, J.
core   +2 more sources

Lacunary generating functions of Hermite polynomials and symbolic methods [PDF]

open access: yes, 2015
We employ an umbral formalism to reformulate the theory of Hermite polynomials and the derivation of the associated lacunary generating ...
D. Babusci   +4 more
core  

"Divergent" Ramanujan-type supercongruences

open access: yes, 2010
"Divergent" Ramanujan-type series for $1/\pi$ and $1/\pi^2$ provide us with new nice examples of supercongruences of the same kind as those related to the convergent cases.
Guillera, Jesús, Zudilin, Wadim
core   +2 more sources

Interlacing Log-concavity of the Boros-Moll Polynomials [PDF]

open access: yes, 2010
We introduce the notion of interlacing log-concavity of a polynomial sequence $\{P_m(x)\}_{m\geq 0}$, where $P_m(x)$ is a polynomial of degree m with positive coefficients $a_{i}(m)$.
Chen, William Y. C.   +2 more
core  

The Abel-Zeilberger Algorithm [PDF]

open access: yes, 2011
We use both Abel's lemma on summation by parts and Zeilberger's algorithm to find recurrence relations for definite summations. The role of Abel's lemma can be extended to the case of linear difference operators with polynomial coefficients.
Chen, William Y. C.   +2 more
core  

Computational methods in algebra and analysis [PDF]

open access: yes, 2007
This paper describes some applications of Computer Algebra to Algebraic Analysis also known as D-module theory, i.e. the algebraic study of the systems of linear partial differential equations.
Castro Jiménez, Francisco Jesús
core  

Unemployment Insurance and Household Welfare: Microeconomic Evidence 1980-93 [PDF]

open access: yes
This study examines the relative economic well-being of households that receive unemployment insurance (UI) benefits, as measured by consumption flows that are derived from information on households' spending in the Consumer Expenditure Surveys from 1980-
Daniel S. Hamermesh, Daniel T. Slesnick
core  

Home - About - Disclaimer - Privacy