Search Results - "Yi, Xiaoding"

Spatio-Temporal Patterns and Driving Forces of Desertification in Otindag Sandy Land, Inner Mongolia, China, in Recent 30 Years by Yi, Yang, Shi, Mingchang, Wu, Jie, Yang, Na, Zhang, Chen, Yi, Xiaoding

“…Background: Desertification is one of the main obstacles to global sustainable development. Monitoring, evaluating and mastering its driving factors are very…”
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Dynamic Changes of Plantations and Natural Forests in the Middle Reaches of the Yangtze River and Their Relationship with Climatic Factors by Yang Yi, Mingchang Shi, Xiaoding Yi, Jialin Liu, Guangrong Shen, Na Yang, Xinli Hu

“…Based on Landsat TM/ETM/OLI images and MODIS NDVI time series remote sensing data from 1999 to 2015, the changes of land use/cover types (including natural…”
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Spatial Distribution of Precise Suitability of Plantation: A Case Study of Main Coniferous Forests in Hubei Province, China by Yi, Yang, Shi, Mingchang, Liu, Jialin, Zhang, Chen, Yi, Xiaoding, Li, Sha, Chen, Chunyang, Lin, Liangzhao

“…(1) Background. Conifers are the main plantation species in southern China, including Masson Pine (MP), Chinese fir (CF) and Chinese thuja (CT). Clarifying the…”
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CUPPING THE RECURSIVELY ENUMERABLE DEGREES BY D.R.E. DEGREES by LI, ANGSHENG, YI, XIAODING

“…We prove that there are two incomplete d.r.e.\ degrees (the Turing degrees of differences of two recursively enumerable sets) such that every non-zero…”
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Cupping and noncupping in the enumeration degrees of ∑ 20 sets by Cooper, S.Barry, Sorbi, Andrea, Yi, Xiaoding

“…We prove the following three theorems on the enumeration degrees of ∑ 2 0 sets. Theorem A: There exists a nonzero noncuppable ∑ 2 0 enumeration degree. Theorem…”
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A non-splitting theorem for d.r.e. sets by Yi, Xiaoding

“…A set of natural numbers is called d.r.e. (difference recursively enumerable) if it may be obtained from some recursively enumerable (r.e.) set by deleting the…”
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On the distribution of Lachlan nonsplitting bases by Cooper, S. Barry, Li, Angsheng, Yi, Xiaoding

“…We say that a computably enumerable (c.e.) degree b is a Lachlan nonsplitting base (LNB), if there is a computably enumerable degree a such that a is greater…”
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The discontinuity of splitting in the recursively enumerable degrees by Cooper, S. Barry, Yi, Xiaoding

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