@entry{fer-gto-22-aa, author = {J Fern{\'a}ndez and B G-T{\'o}th}, title = {Interval Tools in Branch-and-Bound Methods for Global Optimization}, journal = {The Palgrave Handbook of Operations Research,}, year = 2022, url = {{\url{https://link.springer.com/chapter/10.1007/978-3-030-96935-6_8}}}, quotes = {... to minimize the range overestimation), the slope form [77] (where instead of inclusion of derivatives, inclusion of slopes are used), or the affine form [22] (which uses affine arithmetic ...} }