A subspecies of region crossing change, region freeze crossing change
英文摘要：
We introduce a local move on a link diagram named a region freeze crossing change which is close to a region crossing change, but not the same. We study similarity and difference between region crossing change and region freeze crossing change.
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。
