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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Topic mentions per year

Topic mentions per year

1935-2018
020040019352017

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
2007
Highly Cited
2007
Metallic “bowtie” nanoantennas consisting of two opposing tip-to-tip Au triangles have been fabricated with triangle lengths of… (More)
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Highly Cited
2006
Highly Cited
2006
Automatic analysis of human facial expression is a challenging problem with many applications. Most of the existing automated… (More)
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Highly Cited
2006
Highly Cited
2006
In this work we report on the progress of building a system that enables fully automated fast and robust facial expression… (More)
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Highly Cited
2004
Highly Cited
2004
Many health and safety problems, including war and terrorism, are by-products of how people reason about risk. I describe a new… (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
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
Two methods of measuring stroke volume and cardiac output with pulsed Doppler two-dimensional echocardiography were developed and… (More)
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