• Factor analysis
• Analytical boundary curve construction
• Rank deficiency problems

Preprints

• K. Neymeyr, M. Sawall, T. Andersons,
  A note on rank-deficiency and numerical modeling,
  Submitted 2023

2023

• M. Sawall, T. Andersons, K. Neymeyr,
  On the Area of Feasible Solutions for rank-deficient problems: II. The geometric construction.
  Chemom. Intell. Lab. Syst. 235,  104782  (2023).  
  https://doi.org/10.1016/j.chemolab.2023.104782

2022

• T. Andersons, M. Sawall,, K. Neymeyr,
  Analytical enclosure of the set of solutions of the three-species multivariate curve resolution problem
  J. Math. Chem. 60, 1750-1780 (2022).
  https://doi.org/10.1007/s10910-022-01380-5
   
• M. Sawall, T. Andersons, H. Abdollahi, S. Khodadadi Karimvand, B. Hemmateenejad, K. Neymeyr,
  Calculation of lower and upper band boundaries for the feasible solutions of rank-deficient multivariate curve resolution problems.
  Chemom. Intell. Lab. Syst. 226, 104577 (2022).
  https://doi.org/10.1016/j.chemolab.2022.104577