Stable equivalence preserves ω-left approximation dimensions and the Wakamatsu tilting conjecture for Artin algebras without nodes or semisimple direct summands.
Bridger, , Stable module theory, Memoirs Amer
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$\omega$-left approximation dimensions under Stable equivalence
Stable equivalence preserves ω-left approximation dimensions and the Wakamatsu tilting conjecture for Artin algebras without nodes or semisimple direct summands.