Proves canonical map degree ≤72 for such threefolds when p_g>243, with equality only if Albanese fiber is a specific surface of general type with p_g=3, q=0, K_F²=36 and canonical degree 36; improves Cai's prior bound.
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On the canonical degree of a Gorenstein minimal threefold of general type
Proves canonical map degree ≤72 for such threefolds when p_g>243, with equality only if Albanese fiber is a specific surface of general type with p_g=3, q=0, K_F²=36 and canonical degree 36; improves Cai's prior bound.