i would like to solve a a second order PDE with joint evolution. what i mean is that before time v, it follows a pde and when the time is greater than v, it follows another linear pde. what i concern the most is eliminate the killing rate after time v. are there any corresponding reference for it?
2026-02-22 19:30:05.1771788605
how to solve a linear pde of changing evolution equation?
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