McKay correspondence

McKay correspondence
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发表时间:
1997-02
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通讯作者:
M. Reid
M. Reid
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其他
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作者:
M. Reid

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正如你所看到的,声明仍然过于含糊,因为我没有说明什么是“自然”,以及什么是“兼容性”。目前,将这一说法视为指向真理的指针,而不是真理本身,似乎是最有用的(比较主要猜想4.1)。这个猜想是已知的n=2(克莱因商奇点,杜瓦尔奇点)。麦凯最初的治疗主要是联合疗法[McK]。另一个重要的证据是冈萨雷斯-斯普林伯格和Verdier[GSP-V]的证据,他们引入了GSP-V或同义重言式,也是我对通信的主要希望(1)。对于n=3,在[IR]中证明了对应关系(2)的一个弱形式。我们希望对这一想法的修改将在总体上适用于第(2)款;详情见第3节。
As you can see, the statement is still too vague because I don’t say what “natural” means, and what “compatibilities” to expect. At present it seems most useful to think of this statement as pointer towards the truth, rather than the truth itself (compare Main Conjecture 4.1). The conjecture is known for n = 2 (Kleinian quotient singularities, Du Val singularities). McKay’s original treatment was mainly combinatorics [McK]. The other important proof is that of Gonzales-Sprinberg and Verdier [GSp-V], who introduced the GSp–V or tautological sheaves, also my main hope for the correspondence (1). For n = 3 a weak version of the correspondence (2) is proved in [IR]. We hope that a modification of this idea will work in general for (2); for details, see §3.