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We construct an enlargement of the classifying space of mixed Hodge structures with polarized graded quotients, by adding mixed Hodge theoretic version of SL(2)-orbits. This space has a real analytic structure and a log structure with sign.…

代数几何 · 数学 2015-01-14 Kazuya Kato , Chikara Nakayama , Sampei Usui

In this paper, we prove a general theorem concerning the analyticity of the closure of a subspace defined by a family of variations of mixed Hodge structures, which includes the analyticity of the zero loci of degenerating normal functions.…

代数几何 · 数学 2011-02-18 Kazuya Kato , Chikara Nakayama , Sampei Usui

We extend SL(2)-orbit theorems for degeneration of mixed Hodge structures to a situation in which we do not assume the polarizability of graded quotients. We also obtain analogous results on Deligne systems.

代数几何 · 数学 2015-11-03 Kazuya Kato

This is a paper in a series that studies smooth relative Lie algebra homologies and cohomologies based on the theory of formal manifolds and formal Lie groups. In two previous papers, we develop the basic theory of formal manifolds,…

泛函分析 · 数学 2024-08-09 Fulin Chen , Binyong Sun , Chuyun Wang

We study the interplay between Sabbah's mixed Hodge structure for regular functions and Ehrhart theory for polytopes. To this end, we analyze the properties of the Poincar\'e polynomial of the Hodge filtration of this mixed Hodge structure.

代数几何 · 数学 2024-03-06 Antoine Douai

We complete the construction of the fundamental diagram of various partial compactifications of the moduli spaces of mixed Hodge structures with polarized graded quotients. The diagram includes the space of nilpotent orbits, the space of…

代数几何 · 数学 2018-05-23 Kazuya Kato , Chikara Nakayama , Sampei Usui

We prove that the relative log de Rham cohomology groups of a projective semistable log smooth degeneration admit a natural \textit{limiting} mixed Hodge structure. More precisely, we construct a family of increasing filtrations and a…

代数几何 · 数学 2020-11-24 Taro Fujisawa

Reverse H\"{o}lder inequalities for a class of functions on a probability space constitute an important tool in Analysis in Probability. After revisiting how a (modified) log-Sobolev inequality can be used to derive reverse H\"{o}lder…

泛函分析 · 数学 2020-12-01 Emanuel Milman

We announce the construction of toroidal partial compactifications of the moduli spaces of mixed Hodge structures with polarized graded quotients. They are moduli spaces of log mixed Hodge structures with polarized graded quotients. We…

代数几何 · 数学 2009-10-26 Kazuya Kato , Chikara Nakayama , Sampei Usui

The pro-algebraic fundamental group can be understood as a completion with respect to finite-dimensional non-commutative algebras. We introduce finer invariants by looking at completions with respect to Banach and C*-algebras, from which we…

代数几何 · 数学 2017-03-29 J. P. Pridham

We introduce higher analytic geometry, a novel framework extending Lurie's derived complex analytic spaces. This theory generalizes classical complex analytic geometry, enabling the study of derived K\"ahler spaces with non-trivial higher…

代数几何 · 数学 2025-07-01 Eita Haibara

We prove new entropy inequalities for log concave and s-concave functions that strengthen and generalize recently established reverse log Sobolev and Poincare inequalities for such functions. This leads naturally to the concept of…

泛函分析 · 数学 2013-07-23 Umut Caglar , Elisabeth M. Werner

This paper explores generalized slice monogenic functions by introducing their operator symbols, representation formula, and integral formula. The study extends the Teodorescu transform to a broader class of theorems and inferences,…

复变函数 · 数学 2026-03-20 Manjie Hu , Chao Ding

We construct real polarizable Hodge structures on the reduced leafwise cohomology of K\"ahler-Riemann foliations by complex manifolds. As in the classical case one obtains a hard Lefschetz theorem for this cohomology. Serre's K\"ahlerian…

微分几何 · 数学 2007-05-23 Christopher Deninger , Wilhelm Singhof

We construct a polarization on the relative log de Rham cohomology groups of a projective log deformation. To this end, we study the behavior of weight and Hodge filtrations under the cup product and construct a trace morphism for a log…

代数几何 · 数学 2014-12-24 Taro Fujisawa

Formal (mixed) Hodge structures FHS are introduced in such a way that the Hodge realization of Deligne's 1-motives extends to a realization from Laumon's 1-motives to formal Hodge structures of level 1, providing an equivalence of…

代数几何 · 数学 2007-06-11 L. Barbieri-Viale

For a subfield K of C, we denote by C^K the category of algebras of functions defined on the globally subanalytic sets that are generated by all K-powers and logarithms of positively-valued globally subanalytic functions. For any function f…

代数几何 · 数学 2025-07-09 Georges Comte , Dan J. Miller , Tamara Servi

We discuss variations of mixed Hodge structure arising from projective morphisms of complex analytic spaces. Then we treat generalizations of Koll\'ar's torsion-free theorem, vanishing theorem, and so on, for reducible complex analytic…

代数几何 · 数学 2025-03-12 Osamu Fujino , Taro Fujisawa

This work begins by introducing the groundbreaking concept of log-p-analytic functions. Following this introduction, we proceed to delineate four distinct formulations of Landau-type theorems, specifically crafted for the domain of…

复变函数 · 数学 2024-09-17 Hanghang Zhao , Ming-Sheng Liu , Kit Ian Kou

It's well known that multiple polylogarithms give rise to good unipotent variations of mixed Hodge-Tate structures. In this paper we shall {\em explicitly} determine these structures related to multiple logarithms and some other multiple…

代数几何 · 数学 2009-07-02 Jianqiang Zhao
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