What are examples of Oedipus complex in short story Rocking Horse Winner and explain why those examples are Oedipus complex in this story?

In "The Rocking-Horse Winner," the protagonist Paul's relentless quest for his mother's love and approval mirrors the Oedipus complex. His efforts to win money to please his mother, his emotional neglect by his mother despite his efforts, and his deep yearning for her validation all exemplify the Oedipal themes of unresolved desire for a parent's affection leading to psychological turmoil.