Search Results - "Yao, Liding"
-
1
Some Intrinsic Characterizations of Besov–Triebel–Lizorkin–Morrey–Type Spaces on Lipschitz Domains
Published in The Journal of fourier analysis and applications (01-04-2023)“…We give Littlewood–Paley type characterizations for Besov–Triebel–Lizorkin–type spaces B pq s τ , F pq s τ and Besov-Morrey spaces N uqp s on a special…”
Get full text
Journal Article -
2
The Frobenius Theorem for Log-Lipschitz Subbundles
Published in The Journal of geometric analysis (01-07-2023)“…We extend the definition of involutivity to non-Lipschitz tangent subbundles using generalized functions. We prove the Frobenius Theorem with sharp regularity…”
Get full text
Journal Article -
3
Correction: The Frobenius Theorem for Log-Lipschitz Subbundles
Published in The Journal of geometric analysis (01-08-2023)Get full text
Journal Article -
4
Rib fracture detection system based on deep learning
Published in Scientific reports (06-12-2021)“…Rib fracture detection is time-consuming and demanding work for radiologists. This study aimed to introduce a novel rib fracture detection system based on deep…”
Get full text
Journal Article -
5
Quantitative and semi-quantitative CT assessments of lung lesion burden in COVID-19 pneumonia
Published in Scientific reports (04-03-2021)“…This study aimed to clarify and provide clinical evidence for which computed tomography (CT) assessment method can more appropriately reflect lung lesion…”
Get full text
Journal Article -
6
Sobolev and Hölder estimates for homotopy operators of the ∂‾-equation on convex domains of finite multitype
Published in Journal of mathematical analysis and applications (15-10-2024)“…We construct homotopy formulas for the ∂‾-equation on convex domains of finite type that have optimal Sobolev and Hölder estimates. For a bounded smooth finite…”
Get full text
Journal Article -
7
Improving the regularity of vector fields
Published in Journal of functional analysis (01-09-2022)“…Let α>0, β>α, and let X1,…,Xq be Clocα vector fields on a Cα+1 manifold which span the tangent space at every point, where Cs denotes the Zygmund-Hölder space…”
Get full text
Journal Article -
8
New estimates of Rychkov's universal extension operator for Lipschitz domains and some applications
Published in Mathematische Nachrichten (01-04-2024)“…Given a bounded Lipschitz domain Ω⊂Rn$\Omega \subset \mathbb {R}^n$, Rychkov showed that there is a linear extension operator E$\mathcal {E}$ for Ω$\Omega$,…”
Get full text
Journal Article -
9
On Seeley‐type universal extension operators for the upper half space
Published in Mathematische Nachrichten (01-03-2024)“…Modified from the standard half‐space extension via the reflection principle, we construct a linear extension operator for the upper half space R+n$\mathbb…”
Get full text
Journal Article -
10
On Rough Frobenius-Type Theorems and Their Hölder Estimates
Published 01-01-2022“…This thesis is dedicated to giving several results on Frobenius-type theorems in non-smooth settings, and giving H\"older regularity estimates for the…”
Get full text
Dissertation -
11
A linear operator bounded in all Besov but not in Triebel-Lizorkin spaces
Published 08-04-2024“…We construct a linear operator $T:\mathscr S'(\mathbb R^n)\to \mathscr S'(\mathbb R^n)$ such that $T:\mathscr B_{pq}^s(\mathbb R^n)\to\mathscr B_{pq}^s(\mathbb…”
Get full text
Journal Article -
12
Some Intrinsic Characterizations of Besov-Triebel-Lizorkin-Morrey-type Spaces on Lipschitz Domains
Published 08-04-2024“…J. Fourier Anal. Appl. 29 (2023), no. 2, Paper No. 24, 21 pp. MR 4575470 We give Littlewood-Paley type characterizations for Besov-Triebel-Lizorkin-type spaces…”
Get full text
Journal Article -
13
The Frobenius Theorem for Log-Lipschitz Subbundles
Published 27-09-2023“…J. Geom. Anal. 33 (2023), no. 7, Paper No. 198, 49 pp We extend the definition of involutivity to non-Lipschitz tangent subbundles using generalized functions…”
Get full text
Journal Article -
14
Sobolev and H\"older Estimates for Homotopy Operators of The $\overline\partial$-Equation on Convex Domains of Finite Multitype
Published 27-10-2022“…J. Math. Anal. Appl. 538 (2024), no.2, Paper No. 128238, 41 pp. MR4739361 We construct homotopy formulas for the $\overline\partial$-equation on convex domains…”
Get full text
Journal Article -
15
On Rough Frobenius-type Theorems and Their H\"older Estimates
Published 17-10-2022“…ISBN: 979-8841-74236-4, ProQuest document ID 2714150064, 2022 The thesis studies Frobenius-type theorems in non-smooth settings. We extend the definition of…”
Get full text
Journal Article -
16
Sharp H\"older Regularity for Nirenberg's Complex Frobenius Theorem
Published 15-02-2022“…Nirenberg's famous complex Frobenius theorem gives necessary and sufficient conditions on a locally integrable structure for when the manifold is locally…”
Get full text
Journal Article -
17
New Estimates of Rychkov's Universal Extension Operator for Lipschitz Domains and Some Applications
Published 08-04-2024“…Math. Nachr. 297 (2024) no. 4, 1407-1443 Given a bounded Lipschitz domain $\Omega\subset\mathbb R^n$, Rychkov showed that there is a linear extension operator…”
Get full text
Journal Article -
18
A Counterexample to $C^k$-regularity for the Newlander-Nirenberg Theorem
Published 18-02-2020“…We give an example of $C^k$-integrable almost complex structure that does not admit a corresponding $C^{k+1}$-complex coordinate system…”
Get full text
Journal Article -
19
On Seeley-type Universal Extension Operators for the Upper Half Space
Published 28-11-2022“…Math. Nachr. 297 (2024), no. 3, 811-832, 22 pp. MR 4720186 Modified from the standard half-space extension via reflection principle, we construct a linear…”
Get full text
Journal Article -
20
Improving the Regularity of Vector Fields
Published 22-05-2022“…Let $\alpha>0$, $\beta>\alpha$, and let $X_1,\ldots, X_q$ be $\mathscr{C}^{\alpha}_{\mathrm{loc}}$ vector fields on a $\mathscr{C}^{\alpha+1}$ manifold which…”
Get full text
Journal Article