EntityQ2874512· pop 5· linked from 13 articlesAvraham TrahtmanSign in to saveMathematician (1944–2024)ConnectionsRoad coloring problemEntityIsraelConceptmathematicsEntityRussianEntityJerusalemCitySoviet UnionConceptSverdlovsk OblastEntityRussian Soviet Federative Socialist RepublicEntitycombinatoricsEntityQ118398EntityAlfred TarskiEntitydynamical systemEntitysemigroupEntityautomata theoryEntityBar-Ilan UniversityEntitylatticeEntityuniversal algebraEntityNew ScientistEntityUral State UniversityEntitydoctoral advisorEntityCategories1944 births2024 deaths20th-century Israeli mathematicians21st-century Israeli mathematiciansAcademic staff of Bar-Ilan UniversityIsraeli JewsRussian JewsUral State University alumni