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We extend the slow blow up solutions of Krieger, Schlag, and Tataru to semilinear wave equations on a curved background. In particular, for a class of manifolds $(M,g)$ we show the existence of a family of blow-up solutions with finite…

Analysis of PDEs · Mathematics 2013-03-11 Joules Nahas , Sohrab Shahshahani

In the perfect conductivity problem, it is interesting to study whether the electric field can become arbitrarily large or not, in a narrow region between two adjacent perfectly conducting inclusions. In this paper, we show that the…

Analysis of PDEs · Mathematics 2018-02-06 Hongjie Ju , Haigang Li , Longjuan Xu

This article studies the finite time blow-up of weak solutions to a structural acoustics model consisting of a semilinear wave equation defined on a bounded domain $\Omega\subset\mathbb{R}^3$ which is strongly coupled with a Berger plate…

Analysis of PDEs · Mathematics 2023-01-03 Baowei Feng , Yanqiu Guo , Mohammad A. Rammaha

We study the conformal vertex algebras which naturally arise in relation to the Nakajima-Yoshioka blow-up equations.

Quantum Algebra · Mathematics 2016-01-05 M. Bershtein , B. Feigin , A. Litvinov

We consider the blow-up of solutions to the following parameterized nonlinear wave equation: $ u_{tt} = c(u)^{2} u_{xx} + \lambda c(u)c'(u)( u_x)^2$ with the real parameter $\lambda$. In previous works, it was reported that there exist…

Analysis of PDEs · Mathematics 2022-03-10 Yuusuke Sugiyama

We explore 6d (1,0) superconformal field theories with SU(3) and SU(2) gauge symmetries which cascade after Higgsing to the E-string theory on a single M5 near an $E_8$ wall. Specifically, we study the 2d $\mathcal{N}=(0,4)$ gauge theories…

High Energy Physics - Theory · Physics 2015-10-13 Joonho Kim , Seok Kim , Kimyeong Lee

We present a new model of string inflation driven by a blow-up K\"ahler modulus of type IIb compactifications with a potential generated by string loops. Slow-roll is naturally realized thanks to the fact that the blow-up mode is a…

High Energy Physics - Theory · Physics 2024-07-04 Sukŗti Bansal , Luca Brunelli , Michele Cicoli , Arthur Hebecker , Ruben Kuespert

In this paper, we study some conditions related to the question of the possible blow-up of regular solutions to the 3D Navier-Stokes equations. In particular, up to a modification in a proof of a very recent result from \cite{Isab}, we…

Analysis of PDEs · Mathematics 2020-12-14 Haroune Houamed

This article is the continued version of the analytical blowup solutions for 2-dimensional Euler-Poisson equations \cite{Y1}. With extension of the blowup solutions with radial symmetry for the isothermal Euler-Poisson equations in $R^{2}$,…

Solar and Stellar Astrophysics · Physics 2011-07-28 Manwai Yuen

In the note, various scenarios of potential Type II blowups of suitable weak solutions to the Navier-Stokes equations are studied. It is shown, that under some assumptions, such type of blowups cannot happen. In this case, corresponding…

Analysis of PDEs · Mathematics 2026-01-06 Gregory Seregin

We investigate semilinear wave-type equations that can be recast as wave equations with derivatives perturbed by zero-order terms. This framework covers several well-studied cases, including the scale-invariant wave equation. In this…

Analysis of PDEs · Mathematics 2025-08-12 F. A. Chiarello , G. Girardi , S. Lucente

This article is to study the nonexistence of global solutions to semi-linear structurally damped wave equation with nonlinear memory in $\R^n$ for any space dimensions $n\ge 1$ and for the initial arbitrarily small data being subject to the…

Analysis of PDEs · Mathematics 2020-02-18 Tuan Anh Dao , Ahmad Z. Fino

In this work we derive some blow-up results for semilinear wave equations both in de Sitter and anti-de Sitter spacetimes. By requiring suitable conditions on a time-dependent factor in the nonlinear term, we prove the blow-up in finite…

Analysis of PDEs · Mathematics 2022-06-22 Alessandro Palmieri , Hiroyuki Takamura

This paper investigates the blow-up of solutions to scale-invariant semilinear wave equations featuring the damping term $\frac{\mu}{1+t} \partial_t u$, the mass term $\frac{\nu^2}{(1+t)^2} u$, and a time-derivative nonlinearity $|…

Analysis of PDEs · Mathematics 2026-05-05 Mohamed Ali Hamza

We give blow-up analysis for the solutions of an elliptic equation under some conditions. Also, we derive a compactness result for this equation.

Analysis of PDEs · Mathematics 2018-10-31 Samy Skander Bahoura

In this paper we consider the blow-up of solutions to a weakly coupled system of semilinear damped wave equations in the scattering case with nonlinearities of mixed type, namely, in one equation a power nonlinearity and in the other a…

Analysis of PDEs · Mathematics 2020-11-03 Alessandro Palmieri , Hiroyuki Takamura

In this paper we report on numerical studies of formation of singularities for the semilinear wave equations with a focusing power nonlinearity $u_{tt} - \Delta u = u^{p}$ in three space dimensions. We show that for generic large initial…

Mathematical Physics · Physics 2011-01-07 Piotr Bizoń , Tadeusz Chmaj , Zbislaw Tabor

Motivated by the mean field equations with probability measure derived by Sawada-Suzuki and by Neri in the context of the statistical mechanics description of two-dimensional turbulence, we study the semilinear elliptic equation with…

Analysis of PDEs · Mathematics 2011-09-26 Tonia Ricciardi , Gabriella Zecca

We establish the asymptotics of blowup for nonlinear heat equations with superlinear power nonlinearities in arbitrary dimensions and we estimate the remainders.

Analysis of PDEs · Mathematics 2011-12-01 D. Egli , Z. Gang , W. Kong , I. M. Sigal

We explore two classes of 6d $\mathcal{N}=(1,0)$ little string theories obtained from type IIA/IIB NS5-branes probing $D_n$ singularities. Their tensor branches are described by effective gauge theories whose instanton solitons are…

High Energy Physics - Theory · Physics 2017-10-13 Joonho Kim , Kimyeong Lee