Solutions to semilinear parabolic equations driven by mixed local-nonlocal operators blow up in finite time for sufficiently large initial data, for reaction terms like u^p with any p>1.
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For the mixed local-nonlocal problem with concave-critical nonlinearity, a threshold Lambda_epsilon exists such that positive solutions occur for lambda below it, with at least two solutions for small lambda when epsilon is small enough.
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Blow-up of solutions to semilinear parabolic equations driven by mixed local-nonlocal operators with large initial data
Solutions to semilinear parabolic equations driven by mixed local-nonlocal operators blow up in finite time for sufficiently large initial data, for reaction terms like u^p with any p>1.
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Quasilinear problems with mixed local-nonlocal operator and concave-critical nonlinearities: Multiplicity of positive solutions
For the mixed local-nonlocal problem with concave-critical nonlinearity, a threshold Lambda_epsilon exists such that positive solutions occur for lambda below it, with at least two solutions for small lambda when epsilon is small enough.