Abstract We develop the theory of geometric degenerations for finite-dimensional algebras over algebraically closed fields and study the orbit closures of weighted surface algebras, investigated recently by Erdmann and Skowronski [11] , [12] , [13] , [14] , [15] .

中文翻译：

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加权表面代数的几何退化

摘要 我们开发了代数闭域上有限维代数的几何退化理论，并研究了最近由 Erdmann 和 Skowronski [11]、[12]、[13]、[14]、[ 15]。