IWOCA 2026: 37TH INTERNATIONAL WORKSHOP ON COMBINATORIAL ALGORITHMS
PROGRAM

Days: Monday, June 8th Tuesday, June 9th Wednesday, June 10th Thursday, June 11th Friday, June 12th

Monday, June 8th

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14:20-15:00 Session 2: Conflict-free problems
Location: Amphi 2
14:20
Improved Bounds on Proper Conflict-free Coloring of Graphs (abstract)
14:40
Conflict-Free Cuts in Planar and 3-Degenerate Graphs with 1-Regular Conflicts (abstract)
15:00-16:00 Session 3: Digraphs
Location: Amphi 2
15:00
A BFS-Width-2 Normal Form for PAFP on DAGS, with a Width-2 Contrast (abstract)
15:20
Solid-resolving sets on directed graphs (abstract)
15:40
Reachability in Graphs with Polynomially many Surface Non-Separating Cycles is in UL (abstract)
16:20-17:20 Session 5: Online algorithms
Location: Amphi 2
16:20
Minimizing the Weighted Makespan with Restarts on a Single Machine (abstract)
16:40
Removable Online Knapsack: Exploiting Recourse and Bounded Item Sizes (abstract)
17:00
Online Drone Coverage of Targets on a Line (abstract)
17:20-18:20 Session 6: Parameterized algorithms for botanists
Location: Amphi 2
17:20
Exact Algorithms for Edge Deletion to Cactus (abstract)
17:40
Parameterized Algorithms for Computing MAD Trees (abstract)
18:00
Breadth-First Search Trees with Many or Few Leaves (abstract)
Tuesday, June 9th

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09:00-10:20 Session 7: Combinatorial algorithms and extremal theory
Location: Amphi 2
09:00
Cryptographic applications of combinatorial ranking algorithms for integer compositions (abstract)
09:20
One Sequence to Rule them All: O(1)-Time Parallel Generation of Mixed-Radix Gray Codes (abstract)
09:40
Bounds on Linear Tur\'{a}n Number for Trees (abstract)
10:00
Realizing Planar Linkages in Polygonal Domains (abstract)
10:40-11:30 Session 9: Plenary talk 1

Sergio Cabello - Computational Geometry with Predictions

Location: Amphi 2
11:30-12:30 Session 10: Time and uncertainty
Location: Amphi 2
11:30
Set Selection with Uncertain Weights: Non-Adaptive Queries and Thresholds (abstract)
11:50
Enumerating Spanners in Directed Temporal Graphs (abstract)
12:10
Beer Path Problems in Temporal Graphs (abstract)
14:00-15:00 Session 12: Inversion
Location: Amphi 2
14:00
Parameterized algorithms for k-Inversion (abstract)
14:20
On the $(\leq p)$-inversion diameter of oriented graphs (abstract)
14:40
Tight upper bounds on color reversal by local inversions (abstract)
16:20-17:00 Session 15: Parameterized algorithms
Location: Amphi 2
16:20
On the rank and the general position number in cycle convexity (abstract)
16:40
Minimum Clique Bicoloring (abstract)
Wednesday, June 10th

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09:00-10:20 Session 17: Approximation
Location: Amphi 2
09:00
Minimizing Makespan in Sublinear Time via Weighted Random Sampling (abstract)
09:20
Fast Order Statistics with Group Inequality Testing (abstract)
09:40
Domination and Coverage Problems under Vulnerability Constraints (abstract)
10:00
Hardness of SetCover Reoptimization (abstract)
10:40-11:30 Session 19: Plenary talk 2

Neeldhara Misra - On Fairness with Graphical Valuations

Location: Amphi 2
11:30-12:30 Session 20: Structural graph theory
Location: Amphi 2
11:30
On $(1,\leq l)$-locating-dominating codes in infinite triangular grid (abstract)
11:50
Vertex-critical graphs in subfamilies of $(P_4+\ell P_1)$-free graphs (abstract)
12:10
(Even hole, triangle)-free graphs revisited (abstract)
14:00-18:00 Excursion at Puy de Dôme
  • Bus departure at 14h00
  • Train for the top at 14h40
  • Return train at 17h20
  • Departure for the city center at 18h00
19:00-22:00 Gala dinner at Brasserie Madeleine

Address : 3 place de la Victoire, 63000 Clermont-Ferrand, France

Thursday, June 11th

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09:00-10:20 Session 22: Graph algorithms
Location: Amphi 2
09:00
Hardness Results on Bondage and Reinforcement Problems in Chordal Graphs (abstract)
09:20
An Algorithm for Monitoring Edge-geodetic Sets in Chordal Graphs (abstract)
09:40
Degree Realization with Maximum Matching (abstract)
10:00
On the Complexity of Vertex-Splitting Into an Interval Graph (abstract)
10:40-11:30 Session 24: Plenary talk 3

Pierre Fraigniaud - Algorithmic Meta-Theorems for Distributed Computing

Location: Amphi 2
11:30-12:30 Session 25: Parameterized algorithms 2
Location: Amphi 2
11:30
Dominating Set with Quotas: Balancing Coverage and Constraints (abstract)
11:50
The Parameterized Complexity of Scheduling with Precedence Delays: Shuffle Product and Directed Bandwidth (abstract)
12:10
On the Complexity of Signed Domination (abstract)
Friday, June 12th

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