1 INTRODUCTION  
2 DATA SAMPLE  
2.1 Previous sample  
2.2 DES-SN 5-year survey  
2.3 Standard Candle Method sample  
2.4 Photometric Colour Method sample  
3 METHODOLOGY  
3.1 Photospheric velocities  
3.2 Light-curve parameters  
3.3 Hubble diagram  
4 SCM RESULTS  
4.1 Fixed cosmology: $\Omega_{m}=0.3$, $\Omega_{\Lambda}=0.7$  
4.2 Sample comparisons  
4.3 Fit for $\Omega_{m}$ in ΛCDM cosmological model  
4.4 Error budget  
4.5 Simulated distance modulus bias versus redshift  
5 PCM RESULTS  
5.1 Fixed cosmology  
5.2 $\Omega_{m}$ derivation  
5.3 Redshift bias  
5.4 Error budget  
5.5 SCM versus PCM  
6 CONCLUSIONS