The jump of the Milnor number of an isolated singularity $f_0$ is the minimal non-zero difference between the Milnor numbers of $f_0$ and one of its deformations $f_s$. We determinate the jump of quasihomogeneous singularities in the class of linear deformations.
The jump of the Milnor number in the X_9 singularity class
Jumps of Milnor numbers of Brieskorn-Pham singularities in non-degenerate families
Non-degenerate jump of Milnor numbers of surface singularities
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