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We construct infinitely many complete Calabi-Yau metrics on $\mathbf{C}^n$ for $n \geq 3$, with maximal volume growth, and singular tangent cones at infinity. In addition we construct Calabi-Yau metrics in neighborhoods of certain isolated…

Differential Geometry · Mathematics 2019-12-19 Gábor Székelyhidi

We show that on every non-$G_2$ complex symmetric space of rank two, there are complete Calabi-Yau metrics of Euclidean volume growth with prescribed horospherical singular tangent cone at infinity, providing the first examples of affine…

Differential Geometry · Mathematics 2025-08-19 Tran-Trung Nghiem

We construct many new examples of complete Calabi-Yau metrics of maximal volume growth on certain smoothings of Cartesian products of Calabi-Yau cones with smooth cross-sections. A detailed description of the geometry at infinity of these…

Differential Geometry · Mathematics 2026-04-16 Ronan J. Conlon , Frédéric Rochon

Motivated by the study of collapsing Calabi-Yau threefolds with a Lefschetz K3 fibration, we construct a complete Calabi-Yau metric on $\mathbb{C}^3$ with maximal volume growth, which in the appropriate scale is expected to model the…

Differential Geometry · Mathematics 2017-05-22 Yang Li

We construct examples of complete Calabi-Yau metrics on smoothings of 3-dimensional Calabi-Yau cones that are not products of lower-dimensional Calabi-Yau cones and that have orbifold singularities away from the vertex.

Differential Geometry · Mathematics 2026-04-16 Shih-Kai Chiu , Ronan J. Conlon , Frédéric Rochon

We consider the Calabi-Yau metrics on $\mathbf{C}^n$ constructed recently by Yang Li, Conlon-Rochon, and the author, that have tangent cone $\mathbf{C}\times A_1$ at infinity for the $(n-1)$-dimensional Stenzel cone $A_1$. We show that up…

Differential Geometry · Mathematics 2019-06-27 Gábor Székelyhidi

We construct a class of complete non-flat Calabi-Yau metrics on C^{N+1} for every N >= 3, which generalize the Taub-NUT metrics from C^2 and C^3 and whose tangent cone at infinity is R^N. The construction relies on the generalized…

Differential Geometry · Mathematics 2026-01-13 Tengfei Ma

We construct a family of inequivalent Calabi-Yau metrics on $\mathbf{C}^3$ asymptotic to $\mathbf{C} \times A_2$ at infinity, in the sense that any two of these metrics cannot be related by a scaling and a biholomorphism. This provides the…

Differential Geometry · Mathematics 2022-06-17 Shih-Kai Chiu

We construct complete Calabi-Yau metrics on non-compact manifolds that are smoothings of an initial complete intersection $V_0$ that is a Calabi-Yau cone, extending the work of Sz\'ekelyhidi (2019). The constructed Calabi-Yau manifold has…

Differential Geometry · Mathematics 2025-11-04 Benjy J. Firester

We present new examples of affine Calabi--Yau manifolds of Euclidean volume growth and quadratic curvature decay, whose tangent cones at infinity are irregular and have smooth links. In the process, we demonstrate (and provide the relevant…

Differential Geometry · Mathematics 2025-06-18 Ronan J. Conlon , Tran-Trung Nghiem

We produce local Calabi-Yau metrics on $\mathbf C^2$ with conical singularities along three or more complex lines through the origin whose cone angles strictly violate the Troyanov condition. The tangent cone at the origin is a flat…

Differential Geometry · Mathematics 2022-03-09 Martin de Borbon , Gregory Edwards

Let X be a compact Kahler orbifold without \C-codimension-1 singularities. Let D be a suborbifold divisor in X such that D \supset Sing(X) and -pK_X = q[D] for some p, q \in \N with q > p. Assume that D is Fano. We prove the following two…

Differential Geometry · Mathematics 2014-12-09 Ronan J. Conlon , Hans-Joachim Hein

In this article, we construct complete Calabi-Yau metrics on abelian fibrations $X$ over $\mathbb{C}$. We also provide compactification for $X$ so that the compactified variety has negative canonical bundle.

Differential Geometry · Mathematics 2025-06-17 Ruiming Liang , Yang Zhang

It is shown by Colding and Minicozzi the uniqueness of the tangent cone at infinity of Ricci-flat manifolds with Euclidean volume growth which has at least one tangent cone at infinity with a smooth cross section. In this article we raise…

Differential Geometry · Mathematics 2018-03-16 Kota Hattori

This is the first part in a two-part series on complete Calabi-Yau manifolds asymptotic to Riemannian cones at infinity. We begin by proving general existence and uniqueness results. The uniqueness part relaxes the decay condition…

Differential Geometry · Mathematics 2019-12-19 Ronan J. Conlon , Hans-Joachim Hein

We construct new complete Calabi-Yau metrics on the complement of an anticanonical divisors $D$ in a Fano manifold of dimension at least three, when $D$ consists of two transversely intersecting smooth divisors. The asymptotic geometry is…

Differential Geometry · Mathematics 2022-03-22 Tristan C. Collins , Yang Li

In a recent preprint, Chi Li proved that aymptotically conical complex manifolds with regular tangent cone at infinity admit holomorphic compactifications (his result easily extends to the quasiregular case). In this short note, we show…

Differential Geometry · Mathematics 2014-08-12 Ronan J. Conlon , Hans-Joachim Hein

In this paper, we are able to prove an analogy of the Calabi-Yau theorem for complete Riemannian manifolds with nonnegative scalar curvature which are aspherical at infinity. The key tool is an existence result for arbitrarily large bounded…

Differential Geometry · Mathematics 2024-02-26 Jintian Zhu

We describe explicitly the chamber structure of the movable cone for a general complete intersection Calabi--Yau threefold in a non-split $(n + 4)$-dimensional $\mathbb{P}^{n}$-ruled Fano manifold of index $n + 1$ and Picard number two.…

Algebraic Geometry · Mathematics 2023-11-17 Atsushi Ito , Ching-Jui Lai , Sz-Sheng Wang

We present a novel way to classify Calabi-Yau threefolds by systematically studying their infinite volume limits. Each such limit is at infinite distance in Kahler moduli space and can be classified by an associated limiting mixed Hodge…

High Energy Physics - Theory · Physics 2021-12-21 Thomas W. Grimm , Fabian Ruehle , Damian van de Heisteeg
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