Comparison of the results of the example calculation of the CCSN and SNIa rates as a function of redshift under different IMF assumptions. The hatched red area shows the ratio of the CCSN rate and the solid orange area shows the ratio of SNIa rate in the case with the non-universal IMF to that with the universal IMF. The dotted purple area shows the ratio of the relative rate of the SNIa to that of CCSN in the two IMF scenarios. The coloured areas span between the ratios obtained for calculations performed using the low- and high-metallicity extreme fSFR(Z, z) distributions.
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