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Stefan Problem with Surface Tension: Uniqueness of Physical Solutions under Radial Symmetry 表面张力的斯特凡问题：径向对称下物理解的唯一性
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-23 DOI: 10.1007/s00205-024-02026-3
Yucheng Guo, Sergey Nadtochiy, Mykhaylo Shkolnikov
{"title":"Stefan Problem with Surface Tension: Uniqueness of Physical Solutions under Radial Symmetry","authors":"Yucheng Guo,&nbsp;Sergey Nadtochiy,&nbsp;Mykhaylo Shkolnikov","doi":"10.1007/s00205-024-02026-3","DOIUrl":"10.1007/s00205-024-02026-3","url":null,"abstract":"<div><p>We study the Stefan problem with surface tension and radially symmetric initial data. In this context, the notion of a so-called physical solution, which exists globally despite the inherent blow-ups of the melting rate, has been recently introduced in [21]. The paper in hand is devoted to the proof that the physical solution is unique, the first such result when the free boundary is not flat, or when two phases are present. The main argument relies on a detailed analysis of the hitting probabilities for a three-dimensional Brownian motion, as well as on a novel convexity property of the free boundary obtained by comparison techniques. In the course of the proof, we establish a wide variety of regularity estimates for the free boundary and for the temperature function, of interest in their own right.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00205-024-02026-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142413364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Violent Nonlinear Collapse in the Interior of Charged Hairy Black Holes 带电毛状黑洞内部的暴力非线性坍缩
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-21 DOI: 10.1007/s00205-024-02038-z
Maxime Van de Moortel
{"title":"Violent Nonlinear Collapse in the Interior of Charged Hairy Black Holes","authors":"Maxime Van de Moortel","doi":"10.1007/s00205-024-02038-z","DOIUrl":"10.1007/s00205-024-02038-z","url":null,"abstract":"<div><p>We construct a new one-parameter family, indexed by <span>(epsilon )</span>, of two-ended, spatially-homogeneous black hole interiors solving the Einstein–Maxwell–Klein–Gordon equations with a (possibly zero) cosmological constant <span>(Lambda )</span> and bifurcating off a Reissner–Nordström-(dS/AdS) interior (<span>(epsilon =0)</span>). For all small <span>(epsilon ne 0)</span>, we prove that, although the black hole is charged, its terminal boundary is an everywhere-<i>spacelike</i> Kasner singularity foliated by spheres of zero radius <i>r</i>. Moreover, smaller perturbations (i.e. smaller <span>(|epsilon |)</span>) are <i>more singular than larger ones</i>, in the sense that the Hawking mass and the curvature blow up following a power law of the form <span>(r^{-O(epsilon ^{-2})})</span> at the singularity <span>({r=0})</span>. This unusual property originates from a dynamical phenomenon—<i>violent nonlinear collapse</i>—caused by the almost formation of a Cauchy horizon to the past of the spacelike singularity <span>({r=0})</span>. This phenomenon was previously described numerically in the physics literature and referred to as “the collapse of the Einstein–Rosen bridge”. While we cover all values of <span>(Lambda in mathbb {R})</span>, the case <span>(Lambda &lt;0)</span> is of particular significance to the AdS/CFT correspondence. Our result can also be viewed in general as a first step towards the understanding of the interior of hairy black holes.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00205-024-02038-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantitative stability of Yang–Mills–Higgs instantons in two dimensions 二维杨-米尔斯-希格斯瞬子的定量稳定性
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-20 DOI: 10.1007/s00205-024-02035-2
Aria Halavati
{"title":"Quantitative stability of Yang–Mills–Higgs instantons in two dimensions","authors":"Aria Halavati","doi":"10.1007/s00205-024-02035-2","DOIUrl":"10.1007/s00205-024-02035-2","url":null,"abstract":"<div><p>We prove that if an N-vortex pair nearly minimizes the Yang–Mills–Higgs energy, then it is second order close to a minimizer. First, we use new weighted inequalities in two dimensions and compactness arguments to show stability for sections with some regularity. Second, we define a selection principle using a penalized functional and by the elliptic regularity and smooth perturbation of complex polynomials, we generalize the stability to all nearly minimizing pairs. With the same method, we also prove the analogous second order stability for nearly minimizing pairs on nontrivial line bundles over arbitrary compact smooth surfaces.\u0000</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transport Equations and Flows with One-Sided Lipschitz Velocity Fields 传输方程与单边 Lipschitz 速度场的流动
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-19 DOI: 10.1007/s00205-024-02029-0
Pierre-Louis Lions, Benjamin Seeger
{"title":"Transport Equations and Flows with One-Sided Lipschitz Velocity Fields","authors":"Pierre-Louis Lions,&nbsp;Benjamin Seeger","doi":"10.1007/s00205-024-02029-0","DOIUrl":"10.1007/s00205-024-02029-0","url":null,"abstract":"<div><p>We study first- and second-order linear transport equations, as well as flows for ordinary and stochastic differential equations, with irregular velocity fields satisfying a one-sided Lipschitz condition. Depending on the time direction, the flows are either compressive or expansive. In the compressive regime, we characterize the stable continuous distributional solutions of both the first and second-order nonconservative transport equations as the unique viscosity solution, and we also provide new observations and characterizations for the dual, conservative equations. Our results in the expansive regime complement the theory of Bouchut et al. (Ann Sc Norm Super Pisa Cl Sci (5) 4:1–25, 2005), and we develop a complete theory for both the conservative and nonconservative equations in Lebesgue spaces, as well as proving the existence, uniqueness, and stability of the regular Lagrangian flow for the associated ordinary differential equation. We also provide analogous results in this context for second order equations with degenerate noise coefficients that are constant in the spatial variable, as well as for the related stochastic differential equation flows.\u0000</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Isoperimetric Residues and a Mesoscale Flatness Criterion for Hypersurfaces with Bounded Mean Curvature 等周残差和有界平均曲率超曲面的中尺度平整度准则
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-19 DOI: 10.1007/s00205-024-02039-y
Francesco Maggi, Michael Novack
{"title":"Isoperimetric Residues and a Mesoscale Flatness Criterion for Hypersurfaces with Bounded Mean Curvature","authors":"Francesco Maggi,&nbsp;Michael Novack","doi":"10.1007/s00205-024-02039-y","DOIUrl":"10.1007/s00205-024-02039-y","url":null,"abstract":"<div><p>We obtain a full resolution result for minimizers in the exterior isoperimetric problem with respect to a compact obstacle in the large volume regime <span>(vrightarrow infty )</span>. This is achieved by the study of a Plateau-type problem with a free boundary (both on the compact obstacle and at infinity), which is used to identify the first obstacle-dependent term (called <i>isoperimetric residue</i>) in the energy expansion, as <span>(vrightarrow infty )</span>, of the exterior isoperimetric problem. A crucial tool in the analysis of isoperimetric residues is a new “mesoscale flatness criterion” for hypersurfaces with bounded mean curvature, which we obtain as a development of ideas originating in the theory of minimal surfaces with isolated singularities.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Homogenization of Griffith’s Criterion for Brittle Laminates 脆性层压板格里菲斯准则的均质化
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-18 DOI: 10.1007/s00205-024-02027-2
Matteo Negri
{"title":"Homogenization of Griffith’s Criterion for Brittle Laminates","authors":"Matteo Negri","doi":"10.1007/s00205-024-02027-2","DOIUrl":"10.1007/s00205-024-02027-2","url":null,"abstract":"<div><p>We consider a periodic, linear elastic laminate with a brittle crack, evolving along a prescribed path according to Griffith’s criterion. We study the homogenized limit of this evolution, as the size of the layers vanishes. The limit evolution is governed again by Griffith’s criterion, in terms of the energy release (of the homogenized elastic energy) and an effective toughness, which, in general, differs from the <span>(hbox {weak}^*)</span> limit of the periodic toughness. We provide a variational characterization of the effective toughness and, by the energy identity, we link the toughening effect (in the limit) to the micro-instabilities of the evolution (in the periodic laminate). Finally, we provide a couple of explicit calculations of the effective toughness in the anti-plane setting, showing, in particular, an example of toughening by elastic contrast.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00205-024-02027-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced Dissipation for Two-Dimensional Hamiltonian Flows 二维哈密顿流的增强耗散
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-14 DOI: 10.1007/s00205-024-02034-3
Elia Bruè, Michele Coti Zelati, Elio Marconi
{"title":"Enhanced Dissipation for Two-Dimensional Hamiltonian Flows","authors":"Elia Bruè,&nbsp;Michele Coti Zelati,&nbsp;Elio Marconi","doi":"10.1007/s00205-024-02034-3","DOIUrl":"10.1007/s00205-024-02034-3","url":null,"abstract":"<div><p>Let <span>(Hin C^1cap W^{2,p})</span> be an autonomous, non-constant Hamiltonian on a compact 2-dimensional manifold, generating an incompressible velocity field <span>(b=nabla ^perp H)</span>. We give sharp upper bounds on the enhanced dissipation rate of <i>b</i> in terms of the properties of the period <i>T</i>(<i>h</i>) of the closed orbit <span>({H=h})</span>. Specifically, if <span>(0&lt;nu ll 1)</span> is the diffusion coefficient, the enhanced dissipation rate can be at most <span>(O(nu ^{1/3}))</span> in general, the bound improves when <i>H</i> has isolated, non-degenerate elliptic points. Our result provides the better bound <span>(O(nu ^{1/2}))</span> for the standard cellular flow given by <span>(H_{textsf{c}}(x)=sin x_1 sin x_2)</span>, for which we can also prove a new upper bound on its mixing rate and a lower bound on its enhanced dissipation rate. The proofs are based on the use of action-angle coordinates and on the existence of a good invariant domain for the regular Lagrangian flow generated by <i>b</i>.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00205-024-02034-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Slowly Expanding Stable Dust Spacetimes 缓慢膨胀的稳定尘埃时空
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-13 DOI: 10.1007/s00205-024-02030-7
David Fajman, Maximilian Ofner, Zoe Wyatt
{"title":"Slowly Expanding Stable Dust Spacetimes","authors":"David Fajman,&nbsp;Maximilian Ofner,&nbsp;Zoe Wyatt","doi":"10.1007/s00205-024-02030-7","DOIUrl":"10.1007/s00205-024-02030-7","url":null,"abstract":"<div><p>We establish the future nonlinear stability of a large class of FLRW models as solutions to the Einstein-Dust system. We consider the case of a vanishing cosmological constant, which, in particular implies that the expansion rate of the respective models is linear, i.e. has zero acceleration. The resulting spacetimes are future globally regular. These solutions constitute the first generic class of future regular Einstein-Dust spacetimes not undergoing accelerated expansion and are thereby the slowest expanding generic family of future complete Einstein-Dust spacetimes currently known.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00205-024-02030-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Existence and Stability of Nonmonotone Hydraulic Shocks for the Saint Venant Equations of Inclined Thin-Film Flow 倾斜薄膜流圣韦南方程非单调水力冲击的存在性和稳定性
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-13 DOI: 10.1007/s00205-024-02033-4
Grégory Faye, L. Miguel Rodrigues, Zhao Yang, Kevin Zumbrun
{"title":"Existence and Stability of Nonmonotone Hydraulic Shocks for the Saint Venant Equations of Inclined Thin-Film Flow","authors":"Grégory Faye,&nbsp;L. Miguel Rodrigues,&nbsp;Zhao Yang,&nbsp;Kevin Zumbrun","doi":"10.1007/s00205-024-02033-4","DOIUrl":"10.1007/s00205-024-02033-4","url":null,"abstract":"<div><p>Extending the work of Yang–Zumbrun for the hydrodynamically stable case of Froude number <span>(F&lt;2)</span>, we categorize completely the existence and convective stability of hydraulic shock profiles of the Saint Venant equations of inclined thin film flow. Moreover, we confirm by numerical experiment that asymptotic dynamics for general Riemann data is given in the hydrodynamic instability regime by either stable hydraulic shock waves, or a pattern consisting of an invading roll wave front separated by a finite terminating Lax shock from a constant state at plus infinity. Notably, profiles, and existence and stability diagrams, are all rigorously obtained by mathematical analysis and explicit calculation.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00205-024-02033-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142180066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Space Quasi-Periodic Steady Euler Flows Close to the Inviscid Couette Flow 接近不粘性库尔特流的空间准周期稳定欧拉流
IF 2.6 1区 数学
Archive for Rational Mechanics and Analysis Pub Date : 2024-09-11 DOI: 10.1007/s00205-024-02028-1
Luca Franzoi, Nader Masmoudi, Riccardo Montalto
{"title":"Space Quasi-Periodic Steady Euler Flows Close to the Inviscid Couette Flow","authors":"Luca Franzoi,&nbsp;Nader Masmoudi,&nbsp;Riccardo Montalto","doi":"10.1007/s00205-024-02028-1","DOIUrl":"10.1007/s00205-024-02028-1","url":null,"abstract":"<div><p>We prove the existence of steady <i>space quasi-periodic</i> stream functions, solutions for the Euler equation in a vorticity-stream function formulation in the two dimensional channel <span>({{mathbb {R}}}times [-1,1])</span>. These solutions bifurcate from a prescribed shear equilibrium near the Couette flow, whose profile induces finitely many modes of oscillations in the horizontal direction for the linearized problem. Using a Nash–Moser implicit function iterative scheme, near such equilibrium we construct small amplitude, space reversible stream functions, slightly deforming the linear solutions and retaining the horizontal quasi-periodic structure. These solutions exist for most values of the parameters characterizing the shear equilibrium. As a by-product, the streamlines of the nonlinear flow exhibit Kelvin’s cat eye-like trajectories arising from the finitely many stagnation lines of the shear equilibrium.</p></div>","PeriodicalId":55484,"journal":{"name":"Archive for Rational Mechanics and Analysis","volume":"248 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00205-024-02028-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142180068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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