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Related papers: Higher decay inequalities for multilinear oscillat…

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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

In this article we prove a sharp decay estimate for certain multilinear oscillatory integral operators of a form inspired by the general framework of Christ, Li, Tao, and Thiele [6]. A key purpose of this work is to determine when such…

Classical Analysis and ODEs · Mathematics 2019-12-19 Philip T. Gressman , Ellen Urheim

Using some resolution of singularities methods of the author, a generalization of a well-known theorem of Varchenko relating decay of oscillatory integrals to the Newton polyhedron is proven. They are derived from analogous results for…

Classical Analysis and ODEs · Mathematics 2009-06-09 Michael Greenblatt

We obtain $L^2$ decay estimates in $\lambda$ for oscillatory integral operators whose phase functions are homogeneous polynomials of degree m and satisfy various genericity assumptions. The decay rates obtained are optimal in the case of…

Classical Analysis and ODEs · Mathematics 2007-05-23 Allan Greenleaf , Malabika Pramanik , Wan Tang

In this paper we prove sharp $L^\infty$-$L^\infty$-$L^\infty$ decay for certain trilinear oscillatory integral forms of convolution type on $\mathbb R^2$. These estimates imply earlier $L^2$-$L^2$-$L^2$ results obtained by the second author…

Classical Analysis and ODEs · Mathematics 2015-11-18 Philip T. Gressman , Lechao Xiao

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 apply the Bennett-Carbery-Tao multilinear restriction estimate in order to bound restriction operators and more general oscillatory integral operators. We get improved L^p estimates in the Stein restriction problem for dimension at least…

Classical Analysis and ODEs · Mathematics 2011-03-28 Jean Bourgain , Larry Guth

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

We consider the following model of degenerate and singular oscillatory integral operators: \begin{equation*} Tf(x)=\int_{\mathbb{R}} e^{i\lambda S(x,y)}K(x,y)\psi(x,y)f(y)dy, \end{equation*} where the phase functions are homogeneous…

Classical Analysis and ODEs · Mathematics 2021-01-28 Shaozhen Xu

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 consider an oscillatory integral operator with Loomis-Whitney multilinear form. The phase is real analytic in a neighborhood of the origin in $\mathbb{R}^d$ and satisfies a nondegeneracy condition related to its Newton polyhedron.…

Classical Analysis and ODEs · Mathematics 2019-07-05 Maxim Gilula , Kevin O'Neill , Lechao Xiao

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

In this paper, we prove an $L^2-L^2-L^2$ decay estimate for a trilinear oscillatory integral of convolution type in $\mathbb{R}^d,$ which recovers the earlier result of Li (2013) when $d=1.$ We discuss the sharpness of our result in the…

Classical Analysis and ODEs · Mathematics 2021-07-23 Aleksandra Niepla , Kevin O'Neill , Zhen Zeng

In this paper, we establish an improved variable coefficient version of square function inequality, by which the local smoothing estimate $L^p_\alpha\rightarrow L^p$ for the Fourier integral operators satisfying cinematic curvature…

Analysis of PDEs · Mathematics 2024-04-23 Chuanwei Gao , Changxing Miao , Jianwei-Urbain Yang

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

We consider bilinear oscillatory integrals, i.e. pseudo-product operators whose symbol involves an oscillating factor. Lebesgue space inequalities are established, which give decay as the oscillation becomes stronger ; this extends the…

Classical Analysis and ODEs · Mathematics 2010-01-05 Frederic Bernicot , Pierre Germain

We investigate estimating scalar oscillatory integrals by integrating by parts in directions based on $(x_1 \partial_{x_1} f(x) ,..., x_n \partial_{x_n}f(x))$, where $f(x)$ is the phase function. We prove a theorem which provides estimates…

Classical Analysis and ODEs · Mathematics 2024-10-08 Michael Greenblatt

In this paper, the sharp quantitative weighted bounds for the iterated commutators of a class of multilinear operators were systematically studied. This class of operators contains multilinear Calder\'{o}n-Zygmund operators, multilinear…

Classical Analysis and ODEs · Mathematics 2024-01-04 Jiawei Tan , Qingying Xue

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

In this paper, we consider the degenerate and singular oscillatory integral operator with a singular kernel which is not a Calder\'{o}n-Zygmund kernel and satisfies suitable size and derivative conditions related to a real parameter $\mu$.…

Classical Analysis and ODEs · Mathematics 2021-09-30 Shaozhen Xu
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