منابع مشابه
More Canonical Ordering
Canonical ordering is an important tool in planar graph drawing and other applications. Although a linear-time algorithm to determine canonical orderings has been known for a while, it is rather complicated to understand and implement, and the output is not uniquely determined. We present a new approach that is simpler and more intuitive, and that computes a newly defined leftist canonical orde...
متن کاملLeftist Canonical Ordering
Canonical ordering is an important tool in planar graph drawing and other applications. Although a linear-time algorithm to determine canonical orderings has been known for a while, it is rather complicated to understand and implement, and the output is not uniquely determined. We present a new approach that is simpler and more intuitive, and that computes a newly defined leftist canonical orde...
متن کاملCanonical transformation theory from extended normal ordering.
The canonical transformation theory of Yanai and Chan [J. Chem. Phys. 124, 194106 (2006)] provides a rigorously size-extensive description of dynamical correlation in multireference problems. Here we describe a new formulation of the theory based on the extended normal ordering procedure of Mukherjee and Kutzelnigg [J. Chem. Phys. 107, 432 (1997)]. On studies of the water, nitrogen, and iron ox...
متن کاملMore canonical forms and dense free subsets
Assuming the existence of ! compact cardinals in a model on GCH, we prove the consistency of some new canonization properties on א!. Our aim is to get as dense patterns in the distribution of indiscernibles as possible. We prove Theorem 2.1. Theorem 2.1. Suppose the consistency of “ZFC + GCH + there are in(nitely many compact cardinals”. Then the following is consistent: ZFC+GCH+ and for every ...
متن کاملOn Normal Ordering and Canonical Transformations in Thermal Field Theory
We look at a real scalar field in thermal equilibrium in the context of the new normal ordering and field split defined by Evans and Steer [1]. We show that the field split defines a natural canonical transformation, but that this transformation differs from others known in thermal field theory.
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ژورنال
عنوان ژورنال: Journal of Graph Algorithms and Applications
سال: 2011
ISSN: 1526-1719
DOI: 10.7155/jgaa.00219