Results 61 to 70 of about 1,712 (185)

Elliptic integrals: Symmetry and symbolic integration [PDF]

open access: yes, 1997
Computation of elliptic integrals, whether numerical or symbolic, has been aided by the contributions of Italian mathematicians. Tricomi had a strong interest in iterative algorithms for computing elliptic integrals and other special functions, and his ...
Carlson, B.C.
core  

Amplitudes, supersymmetric black hole scattering at O G 5 $$ \mathcal{O}\left({G}^5\right) $$ , and loop integration

open access: yesJournal of High Energy Physics
We compute the potential-graviton contribution to the scattering amplitude, the radial action, and the scattering angle of two extremal black holes in N $$ \mathcal{N} $$ = 8 supergravity at the fifth post-Minkowskian order and to next-to-leading order ...
Zvi Bern   +6 more
doaj   +1 more source

The polarized two-loop massive pure singlet Wilson coefficient for deep-inelastic scattering

open access: yesNuclear Physics B, 2019
We calculate the polarized massive two–loop pure singlet Wilson coefficient contributing to the structure functions g1(x,Q2) analytically in the whole kinematic region. The Wilson coefficient contains Kummer–elliptic integrals.
J. Blümlein, C. Raab, K. Schönwald
doaj   +1 more source

Elliptic supersymmetric integrable model and multivariable elliptic functions [PDF]

open access: yesProgress of Theoretical and Experimental Physics, 2017
We investigate the elliptic integrable model introduced by Deguchi and Martin, which is an elliptic extension of the Perk-Schultz model. We introduce and study a class of partition functions of the elliptic model by using the Izergin-Korepin analysis. We show that the partition functions are expressed as a product of elliptic factors and elliptic Schur-
openaire   +2 more sources

Numerical evaluation of two-loop QCD helicity amplitudes for gg → t t ¯ g $$ gg\to t\overline{t}g $$ at leading colour

open access: yesJournal of High Energy Physics
We present the first benchmark evaluation of the two-loop finite remainders for the production of a top-quark pair in association with a jet at hadron colliders in the gluon channel.
Simon Badger   +4 more
doaj   +1 more source

Pendulum Integration and Elliptic Functions

open access: yes, 2008
Revisiting canonical integration of the classical pendulum around its unstable equilibrium, normal hyperbolic canonical coordinates are ...
Garrido, P. L., Gallavotti, G.
openaire   +2 more sources

Numerical solution of the two-dimensional Helmholtz equation with variable coefficients by the radial integration boundary integral and integro-differential equation methods [PDF]

open access: yes, 2012
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2012 Taylor & Francis.This paper presents new formulations of the boundary–domain integral equation (BDIE) and the boundary–domain integro-
Al-Jawary, MA, Wrobel, LC
core   +1 more source

Inequalities of Some Trigonometric Functions [PDF]

open access: yes, 2003
By using two identities and two inequalities relating to Bernoulli’s and Euler’s numbers and power series expansions of cotangent function, secant function, cosecant function and logarithms of functions involving sine function, cosine function and ...
Qi, Feng, Chen, Chao-Ping
core  

Path planning for simple wheeled robots : sub-Riemannian and elastic curves on SE(2) [PDF]

open access: yes, 2013
This paper presents a motion planning method for a simple wheeled robot in two cases: (i) where translational and rotational speeds are arbitrary and (ii) where the robot is constrained to move forwards at unit speed.
Biggs, James   +3 more
core   +1 more source

Equidistant map projections of a triaxial ellipsoid with the use of reduced coordinates

open access: yesGeodesy and Cartography, 2017
The paper presents a new method of constructing equidistant map projections of a triaxial ellipsoid as a function of reduced coordinates. Equations for x and y coordinates are expressed with the use of the normal elliptic integral of the second kind and ...
Pędzich Paweł
doaj   +1 more source

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