@article{KoutschanPonomarchukSchicho26,
 author = {Christoph Koutschan and Anton Ponomarchuk and Josef Schicho},
 title = {Representing piecewise-linear functions by functions with minimal arity},
 journal = {IEEE Transactions on Information Theory},
 year = {2026},
 isbn_issn = {ISSN 0018-9448},
 doi = {10.1109/TIT.2026.3705562},
 note = {To appear (preprint on arXiv:2406.02421)},
}