English
Related papers

Related papers: Oscillatory integral operators with low-order dege…

200 papers

We mostly survey results concerning the $L^2$ boundedness of oscillatory and Fourier integral operators. This article does not intend to give a broad overview; it mainly focusses on a few topics directly related to the work of the authors.

Classical Analysis and ODEs · Mathematics 2007-05-23 Allan Greenleaf , Andreas Seeger

We establish an almost sharp L^r to L^p estimate for oscillatory integral operators satisfying the cinematic curvature condition. The proof combines Wolff's two-ends reduction with refined decoupling inequalities.

Classical Analysis and ODEs · Mathematics 2026-02-24 Xiangyu Wang

The sharp range of $L^p$-estimates for the class of H\"ormander-type oscillatory integral operators is established in all dimensions under a positive-definite assumption on the phase. This is achieved by generalising a recent approach of…

Classical Analysis and ODEs · Mathematics 2019-09-26 Larry Guth , Jonathan Hickman , Marina Iliopoulou

In general the composition of Fourier integral operators (FIOs) need not be an FIO. Motivated by the problem of linearized seismic inversion in the presence of cusp caustics for the background sound speed, we consider FIOs whose canonical…

Analysis of PDEs · Mathematics 2010-01-28 Raluca Felea , Allan Greenleaf

In this paper, we consider $L^p$- estimate for a class of oscillatory integral operators satisfying the Carleson-Sj\"olin conditions with further convex and straight assumptions. As applications, the multiplier problem related to a general…

Analysis of PDEs · Mathematics 2022-01-05 Chuanwei Gao , Jingyue Li , Liang Wang

We investigate $(2+1)-$dimensional oscillatory integral operators characterized by polynomial phase functions. By employing Stein's complex interpolation, we derive sharp $L^2\to L^p$ decay estimates for these operators.

Classical Analysis and ODEs · Mathematics 2024-11-25 Shaozhen Xu

We establish sharp $L^2$-Sobolev estimates for classes of pseudodifferential operators with singular symbols whose non-pseudodifferential (Fourier integral operator) parts exhibit two-sided fold singularities. The operators considered…

Analysis of PDEs · Mathematics 2010-02-08 Raluca Felea , Allan Greenleaf , Malabika Pramanik

In this paper, we shall prove the uniform sharp $L^p$ decay estimates for a class of oscillatory integral operators with polynomial phases. By this one-dimensional result, we can use the rotation method to obtain uniform sharp $L^p$…

Classical Analysis and ODEs · Mathematics 2019-06-12 Zuoshunhua Shi

We use broad-narrow method to estabish the sharp $L^4$ decay estimate for a class of degenerate oscillatory integral operators in $(2+1)$ dimensions. Especially, the model phase function is \[xt^2+y^2t,\] a cubic homogeneous polynomial…

Classical Analysis and ODEs · Mathematics 2022-09-29 Shaozhen Xu

In this paper, we prove $L^p$ decay estimates for multilinear oscillatory integrals in $\mathbb{R}^2$, establishing sharpness through a scaling argument. The result in this paper is a generalization of the previous work by Gressman and Xiao…

Classical Analysis and ODEs · Mathematics 2018-11-15 Aleksandra Niepla , Kevin O'Neill , Zhen Zeng

The sharp range of $L^p$-estimates for the class of H\"ormander-type oscillatory integral operators is established in all dimensions under a general signature assumption on the phase. This simultaneously generalises earlier work of the…

Classical Analysis and ODEs · Mathematics 2020-06-18 Jonathan Hickman , Marina Iliopoulou

Oscillating integrals often arise in the theoretical description of phenomena in chemical physics, in particular in atomic and molecular collisions, and in spectroscopy. A computer code for the numerical evaluation of the oscillatory…

Chemical Physics · Physics 2007-05-23 J. N. L. Connor , C. A. Hobbs

In this paper, we shall prove the $L^{p}$ endpoint decay estimates of oscillatory integral operators with homogeneous polynomial phases $S$ in $\mathbb{R} \times \mathbb{R}$. As a consequence, sharp $L^{p}$ decay estimates are also obtained…

Classical Analysis and ODEs · Mathematics 2018-08-31 Zuoshunhua Shi , Dunyan Yan

We obtain new estimates for a class of oscillatory integral operators with folding canonical relations satisfying a curvature condition. The main lower bounds showing sharpness are proved using Kakeya set constructions. As a special case of…

Classical Analysis and ODEs · Mathematics 2014-02-26 Jonathan Bennett , Andreas Seeger

We derive damping estimates and asymptotics of $L^p$ operator norms for oscillatory integral operators with finite type singularities. The methods are based on incorporating finite type conditions into $L^2$ almost orthogonality technique…

Analysis of PDEs · Mathematics 2007-05-23 Andrew Comech

In this paper, we consider estimates for the two-dimensional oscillatory integrals. The phase function of the oscillatory integrals is the linear perturbation of a function having $D$ type singularities. We consider estimates for the…

Classical Analysis and ODEs · Mathematics 2024-02-07 Ibrokhimbek Akramov , Isroil A. Ikromov

In this note we study singular oscillatory integrals with linear phase function over hypersurfaces which may oscillate, and prove estimates of $L^2 \mapsto L^2$ type for the operator, as well as for the corresponding maximal function. If…

Classical Analysis and ODEs · Mathematics 2015-05-21 Hayk Aleksanyan , Henrik Shahgholian , Per Sjölin

In this paper, we consider the $(2+1)-$dimensional oscillatory integral operators with cubic homogeneous polynomial phases, which are degenerate in the sense of \cite{Tan06}. We improve the previously known $L^2\to L^2$ decay rate to $3/8$…

Classical Analysis and ODEs · Mathematics 2023-08-15 Yuxin Tan , Shaozhen Xu

Oscillatory integral operators with $1$-homogeneous phase functions satisfying a convexity condition are considered. For these we show the $L^p - L^p$-estimates for the Fourier extension operator of the cone due to Ou--Wang via polynomial…

Classical Analysis and ODEs · Mathematics 2023-05-16 Robert Schippa

This paper is devoted to $L^2$ estimates for trilinear oscillatory integrals of convolution type on $\mathbb{R}^2$. The phases in the oscillatory factors include smooth functions and polynomials. We shall establish sharp $L^2$ decay…

Classical Analysis and ODEs · Mathematics 2021-08-13 Yangkendi Deng , Zuoshunhua Shi , Dunyan Yan
‹ Prev 1 2 3 10 Next ›