Meral TOSUN

7981

Tyurina Components and Rational Cycles for Rational Singularities

In this paper, we give a geometric proof of Pinkham's theorem on the positive cycles supported on the exceptional divisor of a rational singularity. In order to do this, we give several properties of the Tyurina components of the exceptional divisor and of the points of blowing-up surface of a rational singularity.

Anahtar Kelimeler:

Turk. J. Math., 23, (1999), 361-374. Full text: pdf Other articles published in the same issue: Turk. J. Math., vol.23, iss.3.

Tyurina Components and Rational Cycles for Rational Singularities

In this paper, we give a geometric proof of Pinkham's theorem on the positive cycles supported on the exceptional divisor of a rational singularity. In order to do this, we give several properties of the Tyurina components of the exceptional divisor and of the points of blowing-up surface of a rational singularity.

Keywords:

Turk. J. Math., 23, (1999), 361-374. Full text: pdf Other articles published in the same issue: Turk. J. Math., vol.23, iss.3.,

Turkish Journal of Mathematics-Cover

ISSN: 1300-0098
Yayın Aralığı: 6
Yayıncı: TÜBİTAK

Arşiv

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