Habitat assessments are an important component of most water quality evaluations in the USA. Habitat assessments are often based on an observer rating the habitat quality of a site by matching ...
We extend range‐based volatility estimation to the multivariate case. In particular, we propose a range‐based covariance estimator motivated by a key financial economic consideration, the absence of ...
Based on papers presented at a technical meeting held in Woburn, England in 1990.
Researchers have demonstrated that intensified environmental variability (EV) can promote the evolution of cooperation through simulation based on evolutionary game theory. This result offers a new ...
Tsukuba, Japan—Previous scholars have widely proposed that the emergence of advanced cognitive abilities and sociality in humans originated in Africa during the MSA. However, the specific mechanisms ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果