학술저널
A RATIONAL HOMOLOGY DISK SMOOTHING OF Wp,q,r
A RATIONAL HOMOLOGY DISK SMOOTHING OF Wp,q,r
- 충청수학회
- Journal of the Chungcheong Mathematical Society
- Volume 36, No. 4
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2023.11223 - 229 (7 pages)
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DOI : 10.14403/jcms.2023.36.4.223
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We prove that a rational homology disk smoothing of the singularity Wp,q,r is Q-Gorenstein by using its sandwiched structure.
1. Introduction
2. Sandwiched surface singularities
3. Q-Gorensteinness
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