Global-in-Time Asymptotic Solutions to Kolmogorov-Feller-Type Parabolic Pseudodifferential Equations with Small Parameter—Forward- and Backward-in-Time Motion

Figure 2

Solution 𝛼=𝛼(𝑥,𝑡) exists for 𝑡<𝑡^∗=max|2𝑆^′′_0𝛼𝛼|⁻¹.