Professor David Cohen

  1. Published

    Algorithms for the workflow satisfiability problem engineered for counting constraints

    Cohen, D., Crampton, J., Gagarin, A., Gutin, G. & Jones, M., Jul 2016, In: Journal of Combinatorial Optimization. 32, 1, p. 3–24 22 p.

    Research output: Contribution to journalArticlepeer-review

  2. Published

    An algebraic characterisation of complexity for valued constraints

    Cohen, D., Cooper, M. & Jeavons, P., 2006, p. 107-121.

    Research output: Contribution to conferencePaper

  3. Published

    An Algebraic Characterization of Tractable Constraints

    Jeavons, P. G. & Cohen, D. A., 1995, p. 633-642.

    Research output: Contribution to conferencePaper

  4. Published

    An Algebraic Theory of Complexity for Discrete Optimisation

    Cohen, D. A., Cooper, M. C., Creed, P., Jeavons, P. G. & Živný, S., 2013, In: SIAM Journal on Computing. 42, 5, p. 1915-1939 24 p.

    Research output: Contribution to journalArticlepeer-review

  5. Published

    An Algebraic Theory of Complexity for Valued Constraints: Establishing a Galois Connection

    Cohen, D. A., Creed, P., Jeavons, P. G. & Živný, S., 2011, Mathematical Foundations of Computer Science 2011: 36th International Symposium, MFCS 2011, Warsaw, Poland, August 22-26, 2011: Proceedings. Springer, p. 231-242 (Lecture Notes in Computer Science; vol. 6907).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  6. Published

    Are there Effective Frequency Separation Constraints for FAPs with Irregular Tx Placements?

    Bater, J. E., Jeavons, P. G., Cohen, D. A. & Dunkin, N. W., 1 Oct 1998.

    Research output: Contribution to conferencePaper

  7. E-pub ahead of print

    Binarisation for Valued Constraint Satisfaction Problems

    Cohen, D., Cooper, M., Jeavons, P., Krokhin, A., Powell, R. & Zivny, S., 3 Oct 2017, (E-pub ahead of print) In: SIAM Journal on Discrete Mathematics. 31, 4, p. 2279-2300 22 p.

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Binarisation via Dualisation for Valued Constraints

    Cohen, D., Cooper, M., Jeavons, P. & Živný, S., Jan 2015, p. 3731-3737. 7 p.

    Research output: Contribution to conferencePaperpeer-review

  9. Published

    Binary constraint satisfaction problems defined by excluded topological minors

    Cohen, D., Cooper, M. C., Jeavons, P. G. & Zivny, S., Feb 2019, In: Infor. and Computation. 264, p. 12-31 20 p.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    Building tractable disjunctive constraints

    Cohen, D. A., Jeavons, P. G., Jonsson, P. & Koubarakis, M., 2000, In: Journal of the ACM. 47, p. 826-853 28 p.

    Research output: Contribution to journalArticlepeer-review