ON -K2 FOR NORMAL SURFACE SINGULARITIES
1998 ◽
Vol 09
(06)
◽
pp. 653-668
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Keyword(s):
In this paper we show the lower bound of the set of non-zero -K2 for normal surface singularities establishing that this set has no accumulation points from above. We also prove that every accumulation point from below is a rational number and every positive integer is an accumulation point. Every rational number can be an accumulation point modulo ℤ. We determine all accumulation points in [0, 1]. If we fix the value -K2, then the values of pg, pa, mult, embdim and the numerical indices are bounded, while the numbers of the exceptional curves are not bounded.
2000 ◽
Vol 11
(09)
◽
pp. 1193-1202
Keyword(s):
Reflexive modules on normal surface singularities and representations of the local fundamental group
2008 ◽
Vol 212
(4)
◽
pp. 851-862
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2008 ◽
Vol 08
(03)
◽
pp. 351-363
◽
Keyword(s):
2021 ◽
Vol 2021
◽
pp. 1-9
Keyword(s):
2019 ◽
Vol 16
(03)
◽
pp. 511-522
1985 ◽
Vol 98
◽
pp. 117-137
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Keyword(s):