简介:Provocative,playful,andenlightening,SimonEstok'sTheEcophobiaHypothesisawakensustoourselveswithbothcompassionandwisdomaboutapsychologicalconditionhecallsecophobia,whichisalsoprofoundlysocial,economic,andpolitical.EstokdefinesecophobiainhisIntroductionas"auniquelyhumanpsychologicalconditionthatpromptsantipathytowardnature"(1).Ecophobia,Estokalsowrites,canembody"fear,contempt,indifference,orlackofmindfulness"(1).Itis,inanutshell,anirrationalfearofnatureandagroundlesshatredofthenaturalworldhumanbeingsseemtohaveadaptedandaresufferingfromwhethertheyconsciouslyrecognizeitornot.
简介:利用半群算子e^-t(-△)^a和L^2模的性质,讨论广义不可压纳维-斯托克斯方程解的衰减速率;通过不完全采用傅里叶分析的方法和|▽u(t)|L^2的粗略估计,在H^1(R^3)空间中得到方程较好的衰减估计。