An explicit determination of the Springer morphism

2018 ◽  
Vol 46 (10) ◽  
pp. 4233-4242
Author(s):  
Sean Rogers
Author(s):  
Shanzhong Duan ◽  
Kurt S. Anderson

Abstract The paper presents a new hybrid parallelizable low order algorithm for modeling the dynamic behavior of multi-rigid-body chain systems. The method is based on cutting certain system interbody joints so that largely independent multibody subchain systems are formed. These subchains interact with one another through associated unknown constraint forces f¯c at the cut joints. The increased parallelism is obtainable through cutting the joints and the explicit determination of associated constraint loads combined with a sequential O(n) procedure. In other words, sequential O(n) procedures are performed to form and solve equations of motion within subchains and parallel strategies are used to form and solve constraint equations between subchains in parallel. The algorithm can easily accommodate the available number of processors while maintaining high efficiency. An O[(n+m)Np+m(1+γ)Np+mγlog2Np](0<γ<1) performance will be achieved with Np processors for a chain system with n degrees of freedom and m constraints due to cutting of interbody joints.


1998 ◽  
Vol 46 (11) ◽  
pp. 1614-1619 ◽  
Author(s):  
C. Wan ◽  
B. Nauwelaers ◽  
W. De Raedt ◽  
M. Van Rossum

1967 ◽  
Vol 19 ◽  
pp. 419-426 ◽  
Author(s):  
R. J. Warne

A bisimple semigroup S is called I-bisimple if Es, the set of idempotents of S, with its natural order is order-isomorphic to I, the set of integers, under the reverse of the usual order. In (9), the author completely determined the structure of I-bisimple semigroups mod groups; in this paper, he also gave an isomorphism theorem, a homomorphism theorem, an explicit determination of the maximal group homomorphic image, and a complete determination of the congruences for these semigroups.


Author(s):  
Frédéric Pouillaude

This chapter explores the process of absenting in more radical terms that previously discussed in this book. More specifically, it attempts to move from absenting as a mere tendency of discourse to the absence of the work as an explicit determination of what dance is. It is not just works that are absented. Rather, the object of enquiry itself, understood in terms of the twin notions of expenditure and auto-affection, is identified with the absence of the work. Presence (from the self to itself in the intimacy of an unstinting present) becomes the generic term allowing conversion of the negative as such (absence of the work) to a positive (jouissance or ecstasy).


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