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Related papers: A note on an inverse theorem for a generalised mod…

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The note contains the proof of the uniqueness theorem for the inverse problem in the case of $n$-th order differential equation.

Spectral Theory · Mathematics 2007-05-23 Azamat M. Akhtyamov

We prove a generalization of classical Montel's theorem for the mixed differences case, for polynomials and exponential polynomial functions, in commutative setting.

Classical Analysis and ODEs · Mathematics 2017-07-04 J. M. Almira

In this note we prove a converse of Bohr's equivalence theorem for Dirichlet series under some natural assumptions.

Number Theory · Mathematics 2016-12-01 Mattia Righetti

In this note we provide a quick proof of the Sklar's Theorem on the existence of copulas by using the generalized inverse functions as in the one dimensional case, but a little more sophisticated.

Probability · Mathematics 2018-03-02 Gane Samb Lo

This is the second paper in a series on intrinsic Donaldson-Thomas theory, a framework for studying the enumerative geometry of general algebraic stacks. In this paper, we present the construction of Donaldson-Thomas invariants for general…

Algebraic Geometry · Mathematics 2025-03-03 Chenjing Bu , Andrés Ibáñez Núñez , Tasuki Kinjo

Hadamard's global inverse theorem provides conditions for a function to be globally invertible on Rn. In this note we show that the conditions are robust enough for the conclusion to hold even if we relax the conditions by removing the…

Functional Analysis · Mathematics 2015-10-16 Michael Ruzhansky , Mitsuru Sugimoto

We prove a uniformization theorem in complex algebraic geometry.

Algebraic Geometry · Mathematics 2010-08-11 Robert Treger

We generalize the Hodge version of the global Torelli theorem in the framework of irreducible symplectic orbifolds. We also propose a generalization of several results related to the K\"ahler cone and the notion of wall divisors introduced…

Algebraic Geometry · Mathematics 2025-05-27 Grégoire Menet , Ulrike Rieß

Let X be the total space of the canonical bundle of P^2. We study the generalized Donaldson-Thomas invariants, defined in the work of Joyce-Song, of the moduli spaces of the 2-dimensional Gieseker semistable sheaves on X with first Chern…

Algebraic Geometry · Mathematics 2016-02-15 Amin Gholampour , Artan Sheshmani

In the present paper we introduce the notion of harmonicity modulus and harmonicity K-functional and apply these notions to prove a Jackson type theorem for approximation of continuous functions by polyharmonic functions. For corresponding…

Numerical Analysis · Mathematics 2010-05-28 Ognyan Kounchev

We prove an analog of the Tian-Todorov theorem for twisted generalized Calabi-Yau manifolds; namely, we show that the moduli space of generalized complex structures on a compact twisted generalized Calabi-Yau manifold is unobstructed and…

High Energy Physics - Theory · Physics 2007-05-23 Yi Li

We prove an inverse theorem for the Gowers $U^2$-norm for maps $G\to\mathcal M$ from an countable, discrete, amenable group $G$ into a von Neumann algebra $\mathcal M$ equipped with an ultraweakly lower semi-continuous, unitarily invariant…

Operator Algebras · Mathematics 2019-02-20 Marcus De Chiffre , Narutaka Ozawa , Andreas Thom

In this paper we give a more geometrical formulation of the main theorem in [E1] on the inverse problem for the second order hyperbolic equation of general form with coefficients independent of the time variable. We apply this theorem to…

Mathematical Physics · Physics 2014-11-18 Gregory Eskin

We give an elementary proof of the development of Macdonald polynomials in terms of "modified complete" and elementary symmetric functions.

Combinatorics · Mathematics 2007-05-23 Michel Lassalle

A simple proof is provided to show that any bounded normal operator on a real Hilbert space is orthogonally equivalent to its transpose(adjoint). A structure theorem for invertible skew-symmetric operators, which is analogous to the finite…

Spectral Theory · Mathematics 2020-04-21 B V Rajarama Bhat , Tiju Cherian John

We prove an inverse function theorem of Nash-Moser type for maps between Fr\'echet spaces satisfying tame estimates. In contrast to earlier proofs, we do not use the Newton method, that is, we do not use quadratic convergence to overcome…

Functional Analysis · Mathematics 2015-02-06 Ivar Ekeland , Eric Séré

The extended modification of the Newton method is considered when the inverse of the derivative (of the operator F(x) in the equation F(x)=0) is replaced by an invertible bounded x-independent operator B. The continuity assumption is…

Numerical Analysis · Mathematics 2015-03-24 Andrei Dubin

In this paper, we first prove that the absorption law for one-sided inverses along an element holds, deriving the absorption law for the inverse along an element. We then apply this result to obtain the absorption law for the inverse along…

Rings and Algebras · Mathematics 2016-06-14 Huihui Zhu , Jianlong Chen , Pedro Patricio , Xavier Mary

We generalize certain arguments in Zariski's irregularity theorem on cyclic multiple planes.

Algebraic Geometry · Mathematics 2016-11-22 Ying Zong

The authors study the classical Lagrange inversion theorem--an antecedent of the modern implicit function theorem--in the smooth case. Examples are given to show that the result is sharp.

Analysis of PDEs · Mathematics 2007-05-23 Steven G. Krantz , Harold R. Parks