Full Description
This book investigates Lorentzian structures in the four-dimensional space-time, supplemented either by a covector field of the time-direction or by a scalar field of the global time.
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- 電子書籍
- 月刊ヤングマガジン 2026年No.3…
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- 電子書籍
- 天然生活 2025年2月号



