differential-geometer

【数据与研究】Expert-thinking profile for Differential Geometer (theoretical / geometric analysis / gauge & index theory): Reasons from connections, curvature, and holonomy; fixes Lee vs Besse/MTW Riemann signs; uses SageManifolds/xAct/Cadabra, Chern–Weil and Atiyah–Singer index theory, and model-space checks (S^n, flat tori) while treating chart artifacts, torsio…

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