This paper introduces a novel human-AI collaborative framework for mathematical research, positioning the AI system (AIM) as an active research partner rather than a mere problem-solving tool. The core idea is to leverage the complementary strengths of human intuition and machine computation to tackle complex mathematical problems. The authors demonstrate their approach through a case study in homogenization theory, a field that deals with the behavior of heterogeneous materials. The methodology involves an iterative process where the AI system explores potential proof strategies, and human experts provide targeted guidance, corrections, and theoretical context. This interaction is structured through several modes, including direct prompting, theory-coordinated application, and interactive iterative refinement. The AI system, AIM, is designed with an explorer, verifier, optimizer, and memory module to facilitate this collaborative process. The main empirical achievement of the paper is the successful derivation of a rigorous and complete proof for a challenging problem in homogenization theory. This proof, which spans nearly nineteen pages, is a result of the systematic human-AI co-reasoning process. The authors emphasize that this collaborative approach enhances the reliability, transparency, and interpretability of mathematical proofs while maintaining human oversight for formal rigor and correctness. The paper's significance lies in its demonstration of a practical framework for integrating AI into mathematical research, showcasing the potential of such collaboration to advance the frontiers of mathematical discovery. The authors also provide a detailed case study, which adds to the credibility of their claims. Overall, the paper's strengths lie in its innovative approach, clear presentation, and the successful application of the proposed framework to a complex mathematical problem. However, the study also reveals certain limitations, particularly regarding the generalizability of the framework and the level of human intervention required, which I will discuss in detail in the 'Weaknesses' section.