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Explore cross-correlation science opportunities with the Dark Energy Spectroscopic Instrument (DESI) in this 40-minute conference talk by Rossana Ruggeri from Queensland University of Technology. Discover how DESI's large-scale structure data can be combined with other cosmological probes to advance understanding of astrophysics and cosmology. Learn about innovative methods for multi-probe analysis, including cosmic microwave background-large scale structure cross-correlations, galaxy clustering and lensing combinations, and synergies with gravitational wave astronomy. Gain insights into state-of-the-art analysis techniques for extracting maximum scientific value from cross-correlating DESI observations with complementary datasets across the electromagnetic spectrum. Understand the potential for measuring effects like the Sunyaev-Zel'dovich effect, gravitational lensing, and the Integrated Sachs-Wolfe effect through strategic data combinations. This presentation was delivered as part of the "New Synergies in Multi-Probe Cosmology" conference at the Kavli Institute for Theoretical Physics, providing a comprehensive overview of cutting-edge approaches to multi-wavelength cosmological analysis.
