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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Maximum cuts in 3-uniform hypergraphs with sparse neighbourhoods
稀疏邻域 均匀超图 最大切口
2023/4/27
A cut of a hypergraph is a partition of its vertex set into two parts, and the size of the cut is the number of edges which have nonempty intersection with each of the two parts. A classical result of...
Neighbourhoods and isotopies of knots in contact 3-manifolds
Neighbourhoods isotopies of knots contact 3-manifolds
2011/1/19
We prove a neighbourhood theorem for arbitrary knots in contact 3-manifolds. As an application we show that two topologically isotopic Legendrian knots in a contact 3-manifold become Legendrian isotop...
FK Spaces, their duals and the visualisation of neighbourhoods
Computer graphics visualisation animation weak topologies FK spaces dual spaces matrix transformations
2009/2/26
In this paper, we demonstrate how our software package for
visualisation and animations in mathematics can be applied to the representation
of neighbourhoods and weak neighbourhoods in certain topol...
FK Spaces, their duals and the visualisation of neighbourhoods
Computer graphics visualisation, animation weak topologies FK spaces dual spaces matrix transformations
2009/1/7
In this paper, we demonstrate how our software package for
visualisation and animations in mathematics can be applied to the representation
of neighbourhoods and weak neighbourhoods in certain topol...