Yongfa Tang

ORCID: 0000-0001-7261-6494
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About
Contact & Profiles
Research Areas
  • Aeolian processes and effects
  • Geology and Paleoclimatology Research
  • Soil erosion and sediment transport
  • Holomorphic and Operator Theory
  • Lichen and fungal ecology
  • Meromorphic and Entire Functions
  • Analytic and geometric function theory
  • Biocrusts and Microbial Ecology
  • Tree-ring climate responses

Sichuan Agricultural University
2021-2022

Jiangxi Normal University
2016

Aeolian sandy lands are widespread and desertification is recognized as one of the main environmental issues in Yarlung Zangbo River valley, southern Tibetan plateau. The surface microtopographic variations induced by near soil characteristics plant communities important compositions land roughness, which likely influence wind erosion. This study was conducted to quantify effects typical vegetation restoration on roughness aeolian lands, identify influencing factors valley. Two bare (as...

10.1016/j.iswcr.2021.06.001 article EN cc-by-nc-nd International Soil and Water Conservation Research 2021-06-06

Abstract Let f be an holomorphic function which maps the unit disk into itself. In this paper, consider zero of order k ( i.e. , $f(z)-f(0)$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>f</mml:mi> <mml:mo>(</mml:mo> <mml:mi>z</mml:mi> <mml:mo>)</mml:mo> <mml:mo>−</mml:mo> <mml:mn>0</mml:mn> </mml:math> (or $f(z)$ ) has a at $z=0$ <mml:mo>=</mml:mo> ), we obtain sharp estimates classical boundary Schwarz lemma involving fixed point. The results presented here would...

10.1186/s13663-016-0574-8 article EN cc-by Fixed Point Theory and Applications 2016-08-15
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