Results 221 to 230 of about 49,058 (267)
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Journal of Graph Theory, 2007
AbstractSpider graphs are the intersection graphs of subtrees of subdivisions of stars. Thus, spider graphs are chordal graphs that form a common superclass of interval and split graphs. Motivated by previous results on the existence of Hamilton cycles in interval, split and chordal graphs, we show that every 3/2‐tough spider graph is hamiltonian.
Tomás Kaiser +2 more
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AbstractSpider graphs are the intersection graphs of subtrees of subdivisions of stars. Thus, spider graphs are chordal graphs that form a common superclass of interval and split graphs. Motivated by previous results on the existence of Hamilton cycles in interval, split and chordal graphs, we show that every 3/2‐tough spider graph is hamiltonian.
Tomás Kaiser +2 more
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Biological Reviews, 2010
Over the last three decades, the fossil record of spiders has increased from being previously biased towards Tertiary ambers and a few dubious earlier records, to one which reveals a much greater diversity in the Mesozoic, with many of the modern families present in that era, and with clearer evidence of the evolutionary history of the group.
Paul A, Selden, David, Penney
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Over the last three decades, the fossil record of spiders has increased from being previously biased towards Tertiary ambers and a few dubious earlier records, to one which reveals a much greater diversity in the Mesozoic, with many of the modern families present in that era, and with clearer evidence of the evolutionary history of the group.
Paul A, Selden, David, Penney
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Seminars in Cutaneous Medicine and Surgery, 2014
Spider bites represent an unusual and potentially over-represented clinical diagnosis. Despite a common fear of spiders, known as arachnophobia, current knowledge suggests that only a small number of families within the order Araneae are medically relevant.
Jun K, Kang +2 more
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Spider bites represent an unusual and potentially over-represented clinical diagnosis. Despite a common fear of spiders, known as arachnophobia, current knowledge suggests that only a small number of families within the order Araneae are medically relevant.
Jun K, Kang +2 more
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Scientific American, 2014
The article discusses the lengths that some species of arachnids will go to mimic the appearance and behavior of ants, such as the genus of jumping spider called Myrmarachne. According to the report, species that masquerade as ants are the most common type of mimicry, but are the least understood.
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The article discusses the lengths that some species of arachnids will go to mimic the appearance and behavior of ants, such as the genus of jumping spider called Myrmarachne. According to the report, species that masquerade as ants are the most common type of mimicry, but are the least understood.
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Scientific American, 2013
The article discusses a study from researchers such as Oswald Schmitz of Yale University that indicates that the carbon dioxide storage rates of plants in environments with herbivores and predators are higher than those of plants in environments without herbivores and predators.
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The article discusses a study from researchers such as Oswald Schmitz of Yale University that indicates that the carbon dioxide storage rates of plants in environments with herbivores and predators are higher than those of plants in environments without herbivores and predators.
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Behavioural Processes, 2005
Simple heuristics may help explain how even a spider, despite its minute brain, can be disturbingly intelligent. Hutchinson and Gigerenzer suggest that the generalist-specialist distinction (or more accurately the predictability-unpredictability distinction) may be related to a species' level of reliance on simple heuristics, and spider behaviour may ...
Fiona R, Cross, Robert R, Jackson
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Simple heuristics may help explain how even a spider, despite its minute brain, can be disturbingly intelligent. Hutchinson and Gigerenzer suggest that the generalist-specialist distinction (or more accurately the predictability-unpredictability distinction) may be related to a species' level of reliance on simple heuristics, and spider behaviour may ...
Fiona R, Cross, Robert R, Jackson
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The Lancet, 2011
Spiders are a source of intrigue and fear, and several myths exist about their medical effects. Many people believe that bites from various spider species cause necrotic ulceration, despite evidence that most suspected cases of necrotic arachnidism are caused by something other than a spider bite.
Isbister, Geoffrey K., Fan, Hui Wen
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Spiders are a source of intrigue and fear, and several myths exist about their medical effects. Many people believe that bites from various spider species cause necrotic ulceration, despite evidence that most suspected cases of necrotic arachnidism are caused by something other than a spider bite.
Isbister, Geoffrey K., Fan, Hui Wen
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Spider-Man: Into the Spider-Verse
ACM SIGGRAPH 2019 Computer Animation Festival, 2019Phil Lord and Christopher Miller, the creative minds behind "The Lego Movie" and "21 Jump Street," bring their unique talents to a fresh vision of a different Spider-Man universe, with a groundbreaking visual style that's the first of its kind. "Spider-Man™: Into the Spider-Verse" introduces Brooklyn teen Miles Morales, and the limitless possibilities ...
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Proceedings of the 29th International Conference on Computer Graphics and Interactive Techniques. Electronic Art and Animation Catalog., 2002
With his superhuman transformation to Spider-Man, Peter Parker comes to terms with the responsibility that comes with great power. Sony Pictures Imageworks embarked on two years of extensive R&D to accomplish the synthetic cityscape that is instantly recognizable as New York.
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With his superhuman transformation to Spider-Man, Peter Parker comes to terms with the responsibility that comes with great power. Sony Pictures Imageworks embarked on two years of extensive R&D to accomplish the synthetic cityscape that is instantly recognizable as New York.
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