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The current proposal for the High Latitude Time Domain Survey (HLTDS) is twotiers (wide and deep) of multi-band imaging and prism spectroscopy with acadence of five days (Rose et al., 2021). The five-day cadence is motivated bythe desire to measure mid-redshift SNe where time dilation is modest as well asto better photometrically characterize the transients detected. This whitepaper does not provide a conclusion as to the best cadence for the HLTDS.Rather, it collects a set of considerations that should be used for a carefulstudy of cadence by a future committee optimizing the Roman survey. This studyshould optimize the HLTDS for both SN Ia cosmology and other transient science.

Roman CCS White Paper: Optimizing the HLTDS Cadence at Fixed Depth