We deal with the nonlocal parabolic-elliptic model of Keller-Segel system in bounded domains, where the nonlinearity expressing the cell growth and death is taken into account. Our aim is to establish a global well-posedness result with small data and prove the Hölder regularity for the obtained mild solution. The approach used in our work is to employ a relation between the Hilbert scales generated by the Neumann Laplacian and fractional Sobolev spaces, the fixed point argument and some regularity estimates of resolvents.
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