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Following the approach of Kawamata and Canonaco-Stellari, we establish Orlov's representability theorem for smooth tame Deligne-Mumford stacks with projective coarse moduli spaces over a quasiexcellent ring of finite Krull dimension. This…

Algebraic Geometry · Mathematics 2025-03-04 Fei Peng

In this note we give a wellfoundedness proof of a computable notation system for first-order reflection.

Logic · Mathematics 2019-04-03 Toshiyasu Arai

In this work we show that the ordering ambiguity on quantization depends on the representation choice. This property is then used to solve unambiguously some particular systems. Finally, we speculate on the consequences for more involved…

Quantum Physics · Physics 2007-05-24 Alvaro de Souza Dutra

A compactness theorem is proved for a family of K\"{a}hler surfaces with constant scalar curvature and volume bounded from below, diameter bounded from above, Ricci curvature bounded and the signature bounded from below. Furthermore, a…

Differential Geometry · Mathematics 2013-04-04 Hongliang Shao

In this work we present an analogue of the inverse scattering for Canonical systems using theory of vessels and associated to them completely integrable systems. Analytic coefficients fits into this setting, significantly expanding the…

Analysis of PDEs · Mathematics 2014-11-04 Andrey Melnikov

One of the aims of this article is to provide a class of polynomial mappings for which the Jacobian conjecture is true. Also, we state and prove several global univalence theorems and present a couple of applications of them.

Complex Variables · Mathematics 2017-06-01 Saminathan Ponnusamy , Victor V. Starkov

This is an exposition of the inverse spectral theory of canonical systems based on de Branges spaces of entire functions

Spectral Theory · Mathematics 2014-08-27 Roman Romanov

We prove the finiteness of $B$-representations of generalised log canonical pairs. As a consequence, we prove that, the (relative) abundance for a generalised semi-log canonical pair is implied by the abundance for its normalisation.…

Algebraic Geometry · Mathematics 2021-03-23 Zhengyu Hu

In part one we prove a theorem about the automorphism of solutions to Ramanujan's differential equations. We also investigate possible applications of the result. In part two we prove a similar theorem about the automorphism of solutions to…

Classical Analysis and ODEs · Mathematics 2018-06-21 Matthew Randall

We correct Miyabe's proof of van Lambalgen's Theorem for truth-table Schnorr randomness (which we will call uniformly relative Schnorr randomness). An immediate corollary is one direction of van Lambalgen's theorem for Schnorr randomness.…

Logic · Mathematics 2013-05-02 Kenshi Miyabe , Jason Rute

In this paper we study an analogue of the classical Riemann-Hilbert problem stated for the classes of difference and $q$-difference systems. The Birkhoff's existence theorem was generalized in this paper.

Classical Analysis and ODEs · Mathematics 2017-02-28 Ilya Vyugin , Roman Levin

Two examples of the situation when the classical observables should be described by a noncommutative probability space are investigated. Possible experimental approach to find quantum-like correlations for classical disordered systems is…

Quantum Physics · Physics 2009-11-07 Andrei Khrennikov , Sergei Kozyrev

Generalising slightly the notions of a strict computability model and of a simulation between them, which were elaborated by Longley and Normann, we define canonical computability models over categories and appropriate Set-valued functors…

Category Theory · Mathematics 2021-05-17 Iosif Petrakis

In this paper we are interested in unraveling the mathematical connections between the stochastic derivation of Schr\"odinger equation and ours. It will be shown that these connections are given by means of the time-energy dispersion…

Quantum Physics · Physics 2007-05-23 L. S. F. Olavo

Generalizing the classical theorems of Max Noether and Petri, we describe generators and relations for the canonical ring of a stacky curve, including an explicit Gr\"obner basis. We work in a general algebro-geometric context and treat log…

Algebraic Geometry · Mathematics 2022-03-18 John Voight , David Zureick-Brown

The purpose of these notes is to provide the details of the Jacobian ring computations carried out in [1], based on the computer algebra system Magma [2].

Algebraic Geometry · Mathematics 2007-09-10 Ralf Gerkmann , Mao Sheng , Kang Zuo

We prove an effective vanishing theorem for direct images of log pluricanonical bundles of projective semi-log canonical pairs. As an application, we obtain a semipositivity theorem for direct images of relative log pluricanonical bundles…

Algebraic Geometry · Mathematics 2018-02-16 Osamu Fujino

At the beginning of 1950's Erd\H os and Rado suggested the investigation of the Ramsey-type results where the number of colors is not finite. This marked the birth of the so-called canonizing Ramsey theory. In 1985 Pr\"omel and Voigt made…

Combinatorics · Mathematics 2017-12-08 Dragan Masulovic

For the generalized oscillator, we prove a Rellich type theorem, or characterize the order of growth of eigenfunctions. The proofs are given by an extensive use of commutator arguments invented recently by Ito and Skibsted. These arguments…

Mathematical Physics · Physics 2022-03-18 Tomoya Tagawa

We prove Sklar's theorem in infinite dimensions via a topological argument and the notion of inverse systems.

Probability · Mathematics 2021-01-22 Fred Espen Benth , Giulia Di Nunno , Dennis Schroers