2.4 可表函子与伴随函子｜代数基础：模、范畴、同调代数与层

Picked video by video from Chronicle of mathematical physics (mixed channel): title plainly names a teaching subject. Channel transcript sample: All three samples lack transcripts, but titles/descriptions indicate structured math lecture series consistent with the channel's title-sample verdict of pick.

A 45-minute video from Chronicle of mathematical physics: “2.4 可表函子与伴随函子｜代数基础：模、范畴、同调代数与层”.

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