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| 1 | +--- |
| 2 | +title: "Call for Participation: Functional and Logic Programming (FLOPS, May 26-28, Tsukuba)" |
| 3 | +timestamp: "2/22/2026 12:02:49" |
| 4 | +start: "5/26/2026" |
| 5 | +end: "5/28/2026" |
| 6 | +--- |
| 7 | +# FLOPS 2026 -- Call for Participation |
| 8 | + |
| 9 | +## The 18th International Symposium on Functional and Logic Programming |
| 10 | +## May 26-28, Tsukuba, Japan |
| 11 | +## [`https://functional-logic.org/events/flops/2026/`](https://functional-logic.org/events/flops/2026/) |
| 12 | + |
| 13 | +Welcome to the 18th International Symposium on Functional and Logic |
| 14 | +Programming (FLOPS 2026) on May 26-May 28, 2026 in Tsukuba, Japan. |
| 15 | + |
| 16 | +FLOPS 2026 is co-sponsored by Special Interest Group on Programming |
| 17 | +and Programming Languages (SIG-PPL), Japan Society for Software |
| 18 | +Science and Technology (JSSST). |
| 19 | + |
| 20 | +FLOPS brings together practitioners, researchers and implementers of |
| 21 | +declarative programming, to discuss mutually interesting results and |
| 22 | +common problems: theoretical advances, their implementations in |
| 23 | +language systems and tools, and applications of these systems in |
| 24 | +practice. FLOPS specifically aims to promote cross-fertilization |
| 25 | +between theory and practice and among different styles of declarative |
| 26 | +programming. |
| 27 | + |
| 28 | +### Venue |
| 29 | + |
| 30 | +FLOPS 2026 will take place at the University of Tskukuba. Tsukuba is |
| 31 | +about 60km from central Tokyo, and easily reachable via public |
| 32 | +transport from both Haneda and Narita airports. |
| 33 | + |
| 34 | +Tsukuba is Japan's science and technology city. Yet, it preserves |
| 35 | +its rich traditions and local heritage with attractions such as |
| 36 | +Mt. Tsukuba and Tsukubasan Shrine. |
| 37 | + |
| 38 | +### Registration |
| 39 | + |
| 40 | +You can register for FLOPS 2026 here: |
| 41 | + |
| 42 | +[`https://functional-logic.org/events/flops/2026/registration/`](https://functional-logic.org/events/flops/2026/registration/) |
| 43 | + |
| 44 | +Early-bird registration fee (until Apr 25) is 50000¥/20000¥ for |
| 45 | +students - roughly 275€, 325$, 240£ as of February 19. |
| 46 | + |
| 47 | +Registration includes an excursion and a banquet on May 27. Extra |
| 48 | +banquet tickets are available. |
| 49 | + |
| 50 | +### Program |
| 51 | + |
| 52 | +#### Keynote speakers: |
| 53 | + |
| 54 | +- Kazunori Ueda, Waseda Univerity |
| 55 | +- Fritz Henglein, University of Copenhagen |
| 56 | +- Gabriele Keller, Utrecht University |
| 57 | + |
| 58 | +#### Tutorial: |
| 59 | +- Jesse Alama, Scheming in Lean |
| 60 | + |
| 61 | +#### Accepted papers: |
| 62 | + |
| 63 | +- Li, F., Gupta, G.: Computing Supported Models via Transformation to |
| 64 | + Stable Models |
| 65 | + |
| 66 | +- Miyazawa, O., Nishizaki, S.: Matrix Coeffect: A Coeffect Calculus |
| 67 | + for Handling Interdependent Information |
| 68 | + |
| 69 | +- Arntzenius, M., Willsey, M.: Finite Functional Programming or, |
| 70 | + LAMBDA: the Ultimate Predicate |
| 71 | + |
| 72 | +- Lam, C.: Optimizing Mesh Booleans by Being Lazy (System Description) |
| 73 | + |
| 74 | +- Zhou, N., Jiang, C., Bierlee, H., Stuckey, P.: Dynamic Programming |
| 75 | + and Tabled Logic Programming for Encoding Single-Constant |
| 76 | + Multiplication into SAT (Declarative Pearl) |
| 77 | + |
| 78 | +- Bohrer, R.: Demonic Dynamic Logic Programming |
| 79 | + |
| 80 | +- Morihata, A.: Test Your Polymorphic Functions with Boolean Values |
| 81 | + |
| 82 | +- Kiselyov, O.: More Fun with Monoids (Declarative Pearl) |
| 83 | + |
| 84 | +- Boyland, P., Hyatt, S., Dewey, K., Hardekopf, B.: Breccia: A |
| 85 | + Functional DSL Compiled to Egglog for Test Input Generation |
| 86 | + |
| 87 | +- Cabo, Q., Scholz, S.: Finding Programming Faults Even When Large |
| 88 | + Parts of the Code have Disappeared |
| 89 | + |
| 90 | +- Maieli, R., Acclavio, M.: Probabilistic Linear Logic Programming |
| 91 | + with an application to Bayesian Networks computations |
| 92 | + |
| 93 | +- Tudor, A., Arias, J., Gupta, G.: Automatic Knowledge Gap Detection |
| 94 | + and Plan Validation Using Counterfactual Justifications |
| 95 | + |
| 96 | +- Hemann, J., Pfingsten, B.: Visualizing miniKanren Search with a |
| 97 | + Fine-Grained Small-Step Semantics |
| 98 | + |
| 99 | +- Coltharp, N., Libby, S., Israel, L., Li, Y.: Unifying Hindsight and |
| 100 | + Foresight: Lazy Cost Analysis as Functional Logic Programming |
| 101 | + |
| 102 | +Further information about the conference and local arrangements is |
| 103 | +available on the conference website. |
| 104 | + |
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