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Blow-up for the incompressible 3D-Euler equations with uniform $C^{1,\frac{1}{2}-\epsilon}\cap L^2$ force

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arxiv 2309.08495 v1 pith:6S4UU4YS submitted 2023-09-15 math.AP

classification math.AP
keywords blow-upsolutionsepsilonequationsforcefrac12incompressibletime
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abstract

This paper presents a novel approach to establish a blow-up mechanism for the forced 3D incompressible Euler equations, with a specific focus on non-axisymmetric solutions. We construct solutions on $\mathbb{R}^3$ within the function space $C^{3,\frac12}\cap L^2$ for the time interval $[0, T)$, where $T > 0$ is finite, subject to a uniform force in $C^{1,\frac12 -\epsilon}\cap L^2$. Remarkably, our methodology results in a blow-up: as the time $t$ approaches the blow-up moment $T$, the integral $\int_0^t |\nabla u| ds$ tends to infinity, all while preserving the solution's smoothness throughout, except at the origin. In the process of our blow-up construction, self-similar coordinates are not utilized and we are able to treat solutions beyond the $C^{1,\frac13+}$ threshold regularity of axy-symmetric solutions without swirl.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Blow-up and uniqueness of Leray-Hopf solutions to forced Navier-Stokes equations

    math.AP 2026-06 conditional novelty 7.0 of 10

    Explicit forces in L^2_loc L^{6/5} and L^{5/4}_loc L^2 produce unique, energy-conserving global Leray-Hopf solutions of forced 3D Navier-Stokes with finite-time norm blow-up at one or countably many points.

  2. Self-similar blow-up solutions of $d$-dimensional incompressible Euler equations with $C^{1,\left(1-2/d\right)-}$ velocity

    math.AP 2026-05 unverdicted novelty 7.0 of 10

    For every d≥3 and every α<1−2/d, axisymmetric swirl-free incompressible Euler admits self-similar blow-up solutions with C^{1,α} initial velocity that is smooth away from the origin.

  3. Finite-time singularity via multi-layer degenerate pendula for the 2D Boussinesq equation with uniform $C^{1,\sqrt{\frac{4}{3}}-1-\epsilon}\cap L^2$ force

    math.AP 2025-05 conditional novelty 7.0 of 10

    There exist compactly supported, smooth-before-blow-up solutions of the forced 2D Boussinesq equation that blow up in finite time with a uniformly C^{1,alpha} cap L^2 force for every alpha < sqrt(4/3)-1.

  4. Analytic finite-rank corrections for singularly weighted estimates in a computer-assisted proof of 3D Euler singularity

    math.AP 2026-07 unverdicted novelty 2.0 of 10

    Analytic low-rank corrections convert numerically determined global basis functions into exactly vanishing local modes, enforcing |x|^3 vanishing conditions needed for singular weighted stability estimates in computer...

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