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Explore the critical role of baryonic feedback in cosmological studies and discover why combining multiple observational probes is essential for advancing our understanding of the universe in this 43-minute conference talk. Learn how baryonic processes affect cosmological measurements and why map-level analysis techniques provide superior insights compared to traditional methods. Examine the complex interplay between astrophysical feedback mechanisms and cosmological parameters, with particular emphasis on how these effects can be disentangled through sophisticated multi-probe approaches. Understand the theoretical framework behind baryonic feedback models and their implementation in cosmological simulations, while discovering practical strategies for incorporating these effects into observational analyses. Gain insights into cutting-edge methodologies that leverage the synergies between different cosmological observables, including cosmic microwave background measurements, large-scale structure surveys, and gravitational lensing data. Recorded as part of the New Synergies in Multi-Probe Cosmology conference at the Kavli Institute for Theoretical Physics, this presentation addresses one of the most pressing challenges in modern cosmology: accurately accounting for the complex astrophysical processes that influence our measurements of fundamental cosmological parameters.
