Apex (geometry)

Known as: Apex 
In geometry, an apex (Latin for 'summit, peak, tip, top, extreme end') is the vertex which is in some sense the "highest" of the figure to which it… (More)
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Papers overview

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Highly Cited
2010
Highly Cited
2010
1. Biological invasions are numerous in fresh waters around the world. At least hundreds of freshwater species have been moved… (More)
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Highly Cited
2006
Highly Cited
2006
This paper presents a spatio-temporal approach in recognizing six universal facial expressions from visual data and using them to… (More)
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Highly Cited
2003
Highly Cited
2003
3D perception is a promising technology for automatic control, manufacturing and robotics. Compared to 2D vision systems 3D range… (More)
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Highly Cited
2002
Highly Cited
2002
Internal transport of gases is crucial for vascular plants inhabiting aquatic, wetland or flood-prone environments. Diffusivity… (More)
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Highly Cited
2002
Highly Cited
2002
A comparison between the northwestern Hawaiian islands (NWHI), a large, remote, and lightly fished area, and the main Hawaiian… (More)
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Highly Cited
2001
Highly Cited
2001
The purpose of this study is to develop a technique for computer-aided diagnosis (CAD) systems to detect lung nodules in helical… (More)
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Highly Cited
2000
Highly Cited
2000
It is known that any planar graph with diameter D has treewidth O(D) , and this fact has been used as the basis for several… (More)
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Highly Cited
1999
Highly Cited
1999
Mammalian carnivores are particularly vulnerable to extinction in fragmented landscapes, and their disappearance may lead to… (More)
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Highly Cited
1993
Highly Cited
1993
In 1943, Hadwiger made the conjecture that every loopless graph not contractible to the complete graph on t+1 vertices is t… (More)
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Highly Cited
1984
Highly Cited
1984
An eight-electrode conductance catheter previously developed by us and used to determine stroke volume in dogs was applied in… (More)
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