| Theodorus Dekker | |
| Birth Name: | Theodorus Jozef Dekker |
| Birth Date: | 1 March 1927 |
| Birth Place: | Heerhugowaard, Netherlands |
| Alma Mater: | University of Amsterdam (PhD) |
| Known For: | Dekker's algorithm |
| Field: | Math |
| Thesis Title: | Paradoxical Decompositions of Sets and Spaces |
| Workplaces: | University of Amsterdam |
| Doctoral Advisor: | Johannes de Groot |
Theodorus Jozef Dekker (Dirk Dekker, 1 March 1927 - 25 November 2021)[1] was a Dutch mathematician.
Dekker completed his Ph.D. degree from the University of Amsterdam in 1958. His thesis was titled "Paradoxical Decompositions of Sets and Spaces".
Dekker invented an algorithm that allows two processes to share a single-use resource without conflict, using only shared memory for communication, named Dekker's algorithm.