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In this paper, we prove that if n â‰¥ 2 and x0 is an isolated singularity of a non-negative infinity harmonic function u, then either x0 is a removable singularity of u or u(x) = u(x0) + c|x âˆ’ x0| +â€¦ (More)

- Changyou Wang, Yifeng Yu
- 2012

We prove that if Î© âŠ‚ R is a bounded domain with C-boundary and g âˆˆ C(R), then any viscosity solution u âˆˆ C(Î©) of the infinity Laplacian equation (1.1) is C(Î©). The interior C and C-regularity of u inâ€¦ (More)

The objective was to evaluate the clinical value of preventative ileostomy following ultralow anterior rectal resection in decreasing the incidence of anastomotic leakage. For this purpose, 62 casesâ€¦ (More)

- James Nolen, Jack Xin, Yifeng Yu
- 2010

G-equations are well-known front propagation models in combustion and describe the front motion law in the form of local normal velocity equal to a constant (laminar speed) plus the normal projectionâ€¦ (More)

- Songting Luo, Yifeng Yu, Hongkai Zhao
- Multiscale Modeling & Simulation
- 2011

We propose a new formulation to compute effective Hamiltonians for homogenization of a class of Hamilton-Jacobi equations. Our formulation utilizes an observation made by Barron-Jensen [3] aboutâ€¦ (More)

We study the large time asymptotic speeds (turbulent flame speeds sT ) of the simplified Hamilton-Jacobi (HJ) models arising in turbulent combustion. One HJ model is G-equation describing the frontâ€¦ (More)

G-equations are well-known front propagation models in turbulent combustion which describe the front motion law in the form of local normal velocity equal to a constant (laminar speed) plus theâ€¦ (More)

The study of turbulent flame speeds (the large time front speeds) is a fundamental problem in turbulent combustion theory. A significant project is to understand how the turbulent flame speed (sT )â€¦ (More)

- Aibing Chen, Yifeng Yu, +4 authors Jian V. Zhang
- Journal of hazardous materials
- 2014

N-doped ordered mesoporous carbon materials (NOMC) with 2D hexagonal symmetry structure were synthesized via a facile solid-solid grinding/templating route, in which the ionic liquids (ILs) ofâ€¦ (More)

- Shan Jiang, Zhaohui Ren, +7 authors Gaorong Han
- ACS applied materials & interfaces
- 2014

A brushlike PbTiO3 (PTO)/ZnO nanocomposite with ZnO nanowires (NWs) grown epitaxially on the surface of single-crystal ferroelectric tetragonal PTO NWs is successfully fabricated onto a flexibleâ€¦ (More)