3 problems

Let $u_0\in L^2(\mathbb{R})$ be smooth initial data with a single hump for the fractional Benjamin–Bona–Mahony equation, with parameter $0<\alpha$. Fractional Benjamin–Bona–Mahony…

Let $u_0\in L^2(\mathbb{R})$ be smooth initial data with a single hump for the defocusing modified fractional Korteweg–de Vries equation, with dispersion parameter $\alpha$. Defocu…

Let $u_0\in L^2(\mathbb{R})$ be smooth initial data with a single hump for the focusing modified fractional Korteweg–de Vries equation, with dispersion parameter $\alpha$. Let $Q$…