On Double Danielewski Surfaces and the Cancellation Problem
英文摘要：
We study a two-dimensional family of affine surfaces which are counter-examples to the Cancellation Problem. We describe the Makar-Limanov invariant of these surfaces, determine their isomorphism classes and characterize the automorphisms of these surfaces.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
