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I'm a mathematician, with some interest in physics.
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22:Not sure why every algebraic structure
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62:Category (mathematics)
53:Field (mathematics)
35:Group (mathematics)
44:Ring (mathematics)
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66:Category theory
26:has a separate
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57:Field theory
39:Group theory
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48:Ring theory
30:article:
28:X theory
64:and
55:and
46:and
37:and
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