Two examples of surfaces with normal crossing singularities

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这笔记与正常十字路口奇特给表面的二个例子。在第一个例子,正规戒指有限地没被产生。在里面第二,正规的线捆不是宽大的,但是它到正规化的 pull back 是宽大的。后者答案在否定一个问题在 III.2.6.2 留给未解决 ? 祢琠歡湩 ?? 敤牧敥 ? 挠癯牥愠摮琠敨 ?? 敤牧敥 ? 挠癯?
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