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More than 900 mathematicians, researchers, and professors from India and overseas have petitioned the University Grants ...
New Delhi, Over 900 researchers and mathematicians have urged the University Grants Commission to withdraw the draft ...
余景浩,宗正宇我们根据透镜空间L(p,1)中的环面纽结构造了与之对应的拓扑开弦A-模型,并从拓扑递归的角度,描述了与之对应的镜像对称定理。镜像对称源于物理学对弦理论的研究,它描述了IIA型弦理论和IIB型弦理论的等价性。镜像对称包含两种称之为A-、B ...