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The Sigma invariants of Thompson's group F
(European Mathematical SocZurichSuíça, 2010)
The Sigma(2)-conjecture for metabelian groups: the general case
(Academic Press Inc Elsevier ScienceSan DiegoEUA, 2004)
On subdirect products of type FPm of limit groups
(Walter De Gruyter & CoBerlinAlemanha, 2010)
SIGMA THEORY AND TWISTED CONJUGACY CLASSES
(PACIFIC JOURNAL MATHEMATICSEstados Unidos, 2010)
Fixed points of finite groups acting on generalised Thompson groups
(Hebrew Univ Magnes PressJerusalemIsrael, 2012)
The Σ1-invariant For Some Artin Groups Of Rank 3 Presentation
(Taylor and Francis Inc., 2015)
Geometric Integrators for Higher-Order Variational Systems and Their Application to Optimal Control
(Springer, 2016-12-01)
Numerical methods that preserve geometric invariants of the system, such as energy, momentum or the symplectic form, are called geometric integrators. In this paper we present a method to construct symplectic-momentum ...