中国科学：数学英文版, ISSN 1674-7283, 2015, Volume 58, Issue 3, pp. 501 - 512

We present the complete list of all singularity types on Gorenstein Q-homology projective planes, i.e...

投影机 | 同源 | 奇异性 | 类型 | rational double point | ℚ-homology projective plane | Enriques surface | MATHEMATICS | MATHEMATICS, APPLIED | NUMBER | DEL-PEZZO SURFACES | Q-homology projective plane | QUOTIENTS

投影机 | 同源 | 奇异性 | 类型 | rational double point | ℚ-homology projective plane | Enriques surface | MATHEMATICS | MATHEMATICS, APPLIED | NUMBER | DEL-PEZZO SURFACES | Q-homology projective plane | QUOTIENTS

Journal Article

RENDICONTI LINCEI-MATEMATICA E APPLICAZIONI, ISSN 1120-6330, 2012, Volume 23, Issue 2, pp. 137 - 155

We give a criterion for a projective surface to become a quotient of a fake projective plane...

MATHEMATICS | MATHEMATICS, APPLIED | Fake projective plane | Q-homology projective plane | surface of general type | properly elliptic surface | SURFACES

MATHEMATICS | MATHEMATICS, APPLIED | Fake projective plane | Q-homology projective plane | surface of general type | properly elliptic surface | SURFACES

Journal Article

Advances in Mathematics, ISSN 0001-8708, 12/2018, Volume 339, pp. 248 - 284

A smooth complex variety satisfies the Generalized Jacobian Conjecture if all its étale endomorphisms are proper. We study the conjecture for Q-acyclic...

Jacobian Conjecture | Belyi–Shabat polynomial | Étale endomorphism | Equivariant endomorphism | Q-homology plane | Pseudo-plane | MATHEMATICS | Belyi-Shabat polynomial | Etale endomorphism | Q-HOMOLOGY PLANES | SURFACES | Algebraic Geometry | Mathematics

Jacobian Conjecture | Belyi–Shabat polynomial | Étale endomorphism | Equivariant endomorphism | Q-homology plane | Pseudo-plane | MATHEMATICS | Belyi-Shabat polynomial | Etale endomorphism | Q-HOMOLOGY PLANES | SURFACES | Algebraic Geometry | Mathematics

Journal Article

Annales de l'Institut Fourier, ISSN 0373-0956, 2011, Volume 61, Issue 2, pp. 745 - 774

We consider singular Q-acyclic surfaces with smooth locus of non-general type. We prove that if the singularities are topologically rational then the smooth...

Exceptional ℚ-homology plane | Homology plane | Acyclic surface | MATHEMATICS | exceptional Q-homology plane | homology plane | AFFINE LINES | QUOTIENT SINGULARITIES | SURFACES | Mathematics - Algebraic Geometry

Exceptional ℚ-homology plane | Homology plane | Acyclic surface | MATHEMATICS | exceptional Q-homology plane | homology plane | AFFINE LINES | QUOTIENT SINGULARITIES | SURFACES | Mathematics - Algebraic Geometry

Journal Article

Journal of Algebra and its Applications, ISSN 0219-4988, 11/2015, Volume 14, Issue 9

... affine plane has equation X-n = Y-m in some algebraic coordinates on the plane. This gives also a proof of the theorem of Abhyankar-Moh-Suzuki concerning embeddings of the complex line into the plane...

cusp | Kodaira dimension | affine plane | Contractible curve | MATHEMATICS | MATHEMATICS, APPLIED | Q-HOMOLOGY PLANES | SURFACES | Mathematics - Algebraic Geometry

cusp | Kodaira dimension | affine plane | Contractible curve | MATHEMATICS | MATHEMATICS, APPLIED | Q-HOMOLOGY PLANES | SURFACES | Mathematics - Algebraic Geometry

Journal Article

Pacific Journal of Mathematics, ISSN 0030-8730, 08/2012, Volume 258, Issue 2, pp. 421 - 457

A Q-homology plane is a normal complex algebraic surface having trivial rational homology...

ℚ-Homology plane | Homology plane | Acyclic surface | MATHEMATICS | WEIGHTED GRAPHS | homology plane | Q-homology plane | AFFINE LINES | acyclic surface | QUOTIENT SINGULARITIES | SURFACES

ℚ-Homology plane | Homology plane | Acyclic surface | MATHEMATICS | WEIGHTED GRAPHS | homology plane | Q-homology plane | AFFINE LINES | acyclic surface | QUOTIENT SINGULARITIES | SURFACES

Journal Article

Osaka Journal of Mathematics, ISSN 0030-6126, 09/2011, Volume 48, Issue 3, pp. 633 - 644

We give a geometric proof of the fact that any affine surface with trivial Makar-Limanov invariant has finitely many singular points. We deduce that a complete...

MATHEMATICS | Q-HOMOLOGY PLANES | MAKAR-LIMANOV INVARIANT | 14R10 | 14R25 | 14R20

MATHEMATICS | Q-HOMOLOGY PLANES | MAKAR-LIMANOV INVARIANT | 14R10 | 14R25 | 14R20

Journal Article

Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Rendiconti Lincei Matematica e Applicazioni, ISSN 1120-6330, 2012, Volume 23, Issue 2, pp. 137 - 155

Journal Article

Algebra and Number Theory, ISSN 1937-0652, 2018, Volume 12, Issue 5, pp. 1073 - 1105

...+1)a(i+2)a(i+3) - a(i+2)a(i+3)+a(i+3) - 1, and w* = gcd(W1,...,W4). The aim was to give many interesting examples of Q-homology projective planes. They occur when w* = 1...

Q-homology projective planes | Branched covers | Dedekind sums | MATHEMATICS | branched covers

Q-homology projective planes | Branched covers | Dedekind sums | MATHEMATICS | branched covers

Journal Article

Annales de l'Institut Fourier, ISSN 0373-0956, 2003, Volume 53, Issue 2, pp. 429 - 464

In this article, we prove that a Q-homology plane X with two algebraically independent G...

Makar-Limanov invariant | ℚ-homology plane | Additive group action | MATHEMATICS | Q-homology plane | additive group action | AFFINE SURFACES

Makar-Limanov invariant | ℚ-homology plane | Additive group action | MATHEMATICS | Q-homology plane | additive group action | AFFINE SURFACES

Journal Article

Michigan Mathematical Journal, ISSN 0026-2285, 12/2008, Volume 56, Issue 3, pp. 669 - 686

MATHEMATICS | AUTOMORPHISMS | Q-HOMOLOGY PLANES | LINES | INVARIANT | AFFINE SURFACES | 14J26 | 14R25 | 13N15 | 14D06

Journal Article

Proceedings of the London Mathematical Society, ISSN 0024-6115, 09/2017, Volume 115, Issue 3, pp. 638 - 692

To classify planar complex rational cuspidal curves E⊆P2 it remains to classify the ones with complement of log general type, that is, the ones for which...

14H50 (primary) | 14J17 | 14R25 (secondary) | MATHEMATICS | Q-HOMOLOGY PLANES | Mathematics - Algebraic Geometry

14H50 (primary) | 14J17 | 14R25 (secondary) | MATHEMATICS | Q-HOMOLOGY PLANES | Mathematics - Algebraic Geometry

Journal Article

Journal of the Mathematical Society of Japan, ISSN 0025-5645, 04/2009, Volume 61, Issue 2, pp. 393 - 425

Journal Article

JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, ISSN 0025-5645, 04/2009, Volume 61, Issue 2, pp. 393 - 425

This paper classifies all Q-homology planes which appear as cyclic covers of A(2).

SPACE | MATHEMATICS | logarithmic Kodaira dimension | 2 COMPLEX-VARIABLES | Q-homology planes | cyclic branch covers | AFFINE LINES | SURFACES | RATIONALITY

SPACE | MATHEMATICS | logarithmic Kodaira dimension | 2 COMPLEX-VARIABLES | Q-homology planes | cyclic branch covers | AFFINE LINES | SURFACES | RATIONALITY

Journal Article

Transformation Groups, ISSN 1083-4362, 12/2006, Volume 11, Issue 4, pp. 725 - 735

This paper is a supplement to the papers [KiKo] and [GMMR]. We show the role of group actions in the classification of affine lines on Q-homology planes.

MATHEMATICS | SURFACES | Algebraic Geometry | Mathematics

MATHEMATICS | SURFACES | Algebraic Geometry | Mathematics

Journal Article

Manuscripta Mathematica, ISSN 0025-2611, 2010, Volume 131, Issue 1-2, pp. 265 - 274

Let V be a normal affine surface which admits C*- and C+-actions. Such surfaces were classified e. g., in: Flenner and Zaidenberg (Osaka J Math 40:981-1009,...

MATHEMATICS | Q-HOMOLOGY PLANES | LINES | AFFINE SURFACES | Algebraic Geometry | Commutative Algebra | Mathematics

MATHEMATICS | Q-HOMOLOGY PLANES | LINES | AFFINE SURFACES | Algebraic Geometry | Commutative Algebra | Mathematics

Journal Article

Commentarii Mathematici Helvetici, ISSN 0010-2571, 2008, Volume 83, Issue 3, pp. 547 - 571

Let S be a smooth complex affine surface with finite Picard group. We prove that if κ(S) = 1 (resp. κ(S) = 2) then P2(S) > 0 (resp. P6(S) > 0) and determine...

General | Logarithmic kodaira dimension | Logarithmic plurigenera | Affine surfaces with finite picard groups | MATHEMATICS | affine surfaces with finite Picard groups | logarithmic Kodaira dimension | logarithmic plurigenera | DEL-PEZZO SURFACES | Q-HOMOLOGY PLANES | RATIONALITY

General | Logarithmic kodaira dimension | Logarithmic plurigenera | Affine surfaces with finite picard groups | MATHEMATICS | affine surfaces with finite Picard groups | logarithmic Kodaira dimension | logarithmic plurigenera | DEL-PEZZO SURFACES | Q-HOMOLOGY PLANES | RATIONALITY

Journal Article

Indian Journal of Pure and Applied Mathematics, ISSN 0019-5588, 9/2019, Volume 50, Issue 3, pp. 619 - 634

We will briefly describe the basic theory of non-complete algebraic varieties developed by Japanese algebraic geometers and some of the main contributions of...

Non-complete algebraic varieties | Numerical Analysis | Mathematics, general | algebraic variety | smooth projective surface | Mathematics | Applications of Mathematics | CANCELLATION THEOREM | C-N | OPERATIONS | PROOF | Q-HOMOLOGY PLANES | RATIONALITY | ETALE ENDOMORPHISMS | MATHEMATICS | ADDITIVE GROUP | 2-DIMENSIONAL QUOTIENTS | AFFINE SURFACES

Non-complete algebraic varieties | Numerical Analysis | Mathematics, general | algebraic variety | smooth projective surface | Mathematics | Applications of Mathematics | CANCELLATION THEOREM | C-N | OPERATIONS | PROOF | Q-HOMOLOGY PLANES | RATIONALITY | ETALE ENDOMORPHISMS | MATHEMATICS | ADDITIVE GROUP | 2-DIMENSIONAL QUOTIENTS | AFFINE SURFACES

Journal Article

The Michigan mathematical journal, ISSN 0026-2285, 2004, Volume 52, Issue 3, pp. 619 - 625

Journal Article

Proceedings of the American Mathematical Society, ISSN 0002-9939, 06/2012, Volume 140, Issue 6, pp. 1865 - 1879

...., by blowing up several times inside a configuration of curves on the projective plane and then by contracting chains of rational curves...

Integers | Morphisms | Conic sections | Keels | Algebra | Quotients | Geometric planes | Mathematical surfaces | Mathematics | Continued fractions | MATHEMATICS | MATHEMATICS, APPLIED | cyclic singularity | Q-homology projective plane | Rational surface | ample canonical divisor

Integers | Morphisms | Conic sections | Keels | Algebra | Quotients | Geometric planes | Mathematical surfaces | Mathematics | Continued fractions | MATHEMATICS | MATHEMATICS, APPLIED | cyclic singularity | Q-homology projective plane | Rational surface | ample canonical divisor

Journal Article

No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.