activity
20142022
most citedA theory of dormant opers on pointed stable curves -- a proof of Joshi's conjecture

16 citations · 27 across the 20 of their papers we have counts for

collaborators

22 papers

math.AG2022

Dormant opers and Gauss maps in positive characteristic

Yasuhiro Wakabayashi

The Gauss map of a given projective variety is the rational map that sends a smooth point to the tangent space at that point, considered as a point of the Grassmann variety. The pr…

math.AG2022

Arithmetic liftings and 2d TQFT for dormant opers of higher level

Yasuhiro Wakabayashi

This manuscript represents an advance in the enumerative geometry of opers that takes the subject beyond our previous work. Motivated by a counting problem of linear differential e…

math.CT2022

On the category of structure species

Yasuhiro Wakabayashi

The purpose of the present paper is to make a mathematical study of the differences and relations among possible structures inherent in an object, as well as of the whole structure…

math.AG2022

Differential modules and dormant opers of higher level

Yasuhiro Wakabayashi

In the first half of the present paper, we study higher-level generalizations of differential modules in positive characteristic. These objects may be regarded as ring-theoretic co…

math.AG2022

An upper bound on the generic degree of the generalized Verschiebung for rank two stable bundles

Yuichiro Hoshi, Yasuhiro Wakabayashi

In the present paper, we give an upper bound for the generic degree of the generalized Verschiebung between the moduli spaces of rank two stable bundles with trivial determinant.

math.AG2021

Frobenius-Ehresmann structures and Cartan geometries in positive characteristic

Yasuhiro Wakabayashi

The aim of the present paper is to lay the foundation for a theory of Ehresmann structures in positive characteristic, generalizing the Frobenius-projective and Frobenius-affine st…

math.AG2020★ 1 cited

Projective and affine structures in positive characteristic I: Chern class formulas and Characterizations of projective spaces

Yasuhiro Wakabayashi

This paper aims to develop a theory of projective and affine structures on higher-dimensional varieties in positive characteristic. This theory deals with Frobenius-projective and…

math.AG2020★ 1 cited

Quantization on Algebraic Curves with Frobenius-Projective Structure

Yasuhiro Wakabayashi

In the present paper, we study the relationship between deformation quantizations and Frobenius-projective structures defined on an algebraic curve in positive characteristic. A Fr…

math.AG2020

An effective version of Belyi's theorem in positive characteristic

Yasuhiro Wakabayashi

The purpose of the present paper is to give an effective version of the noncritical -tame Belyi theorem. That is to say, we compute explicitly an upper bound of the minimal degr…

math.AG2019

A combinatorial description of the dormant Miura transformation

Yasuhiro Wakabayashi

A dormant generic Miura -oper is a flat -bundle over an algebraic curve in positive characteristic equipped with some additional data. In the prese…

math.AG2019

Symplectic geometry of -adic Teichmüller uniformization for ordinary nilpotent indigenous bundles

Yasuhiro Wakabayashi

The aim of the present paper is to provide a new aspect of the -adic Teichmüller theory established by S. Mochizuki. We study the symplectic geometry of the -adic formal stac…

math.AG2019★ 1 cited

Gaudin model modulo , Tango structures, and dormant Miura opers

Yasuhiro Wakabayashi

In the present paper, we study the Bethe ansatz equations for Gaudin model and Miura opers in characteristic . Our study is based on a work by E. Frenkel, in which solutions t…

math.AG2017★ 1 cited

Moduli of Tango structures and dormant Miura opers

Yasuhiro Wakabayashi

The purpose of the present paper is to develop the theory of (pre-)Tango structures and (dormant generic) Miura -opers (for a semisimple Lie algebra ) d…

math.AG2017

Topological quantum field theory for dormant opers

Yasuhiro Wakabayashi

The purpose of the present paper is to develop the enumerative geometry of dormant -opers for a semisimple algebraic group . In the present paper, we construct a compact modu…

math.AG2016

Categorical representation of superschemes

Yasuhiro Wakabayashi

In the present paper, we prove that a locally noetherian superscheme may be reconstructed (up to certain equivalence) category-theoretically from the category of noet…

math.AG2016

Moduli of log twisted SUSY curves

Yasuhiro Wakabayashi

The goal of the present paper is to construct a smooth compactification of the moduli superstack classifying pointed SUSY (= ) curves. This construc…

math.AG2016

Cyclic étale coverings of generic curves and ordinariness of dormant opers

Yasuhiro Wakabayashi

The ordinariness of elliptic curves is essential in proving various expected properties of elliptic curves in positive characteristic and can be extended to algebraic curves of arb…

math.AG2015★ 3 cited

On the cuspidalization problem for hyperbolic curves over finite fields

Yasuhiro Wakabayashi

In this paper, we study some group-theoretic constructions associated to arithmetic fundamental groups of hyperbolic curves over finite fields. One of the main results of this pape…

math.AG2015★ 1 cited

Duality for dormant opers

Yasuhiro Wakabayashi

In the present paper, we prove that on a fixed pointed stable curve of characteristic , there exists a duality between dormant -opers () and dorma…

math.AG2014

An explicit formula for the generic number of dormant indigenous bundles

Yasuhiro Wakabayashi

A dormant indigenous bundle is an integrable projective line bundle on a proper hyperbolic curve of positive characteristic satisfying certain conditions. Dormant indigenous bundle…

math.AG2014★ 16 cited

A theory of dormant opers on pointed stable curves -- a proof of Joshi's conjecture

Yasuhiro Wakabayashi

This manuscript presents a detailed and original account of the theory of opers defined on pointed stable curves in arbitrary characteristic and their moduli. In particular, it inc…

math.AG2014★ 3 cited

The symplectic nature of the space of dormant indigenous bundles on algebraic curves

Yasuhiro Wakabayashi

We study the symplectic nature of the moduli stack classifying dormant curves over a field of positive characteristic, i.e., proper hyperbolic curves over equipped with a d…