Explore the fascinating world of large anomalous Hall conductivity in CoS2 through this 48-minute lecture by Changyoung Kim from PCS Institute for Basic Science. Delve into the pyrite structure, hunto behavior, and ferromagnetic phase of CoS2, examining its electronic structure and the role of cobalt. Analyze whole data sets and DFT results, while investigating symmetry protective nother structures and artificial systems such as thin films and cluster systems. Discover the intricacies of RPS data, ferromagnetism, dual ferromagnetism, and spin splitting, with a focus on momentum dependence and magnetic monopoles. Gain insights into ionic liquid gating, future directions for research, and single-layer applications. Engage with audience questions and explore concepts like gap wire points and flat parts to deepen your understanding of this complex topic in condensed matter physics.