MFCS 2025: 50TH INTERNATIONAL SYMPOSIUM ON MATHEMATICAL FOUNDATIONS OF COMPUTER SCIENCE
PROGRAM

Days: Monday, August 25th Tuesday, August 26th Wednesday, August 27th Thursday, August 28th Friday, August 29th

Monday, August 25th

View this program: with abstractssession overviewtalk overview

09:00-10:00 Session 1
Location: 316 (Main room)
09:00
Lambdas, Transducers and MSO (abstract)
10:00-10:30Coffee Break
10:30-11:45 Session 2A
Location: 316 (Main room)
10:30
Computational complexity of covering regular trees (abstract)
10:55
Isometric-Universal Graphs for Trees (abstract)
11:20
Supercritical Size-Width Tree-Like Resolution Trade-Offs for Graph Isomorphism (abstract)
10:30-11:45 Session 2B
10:30
On Expansions of Monadic Second-Order Logic with Dynamical Predicates (abstract)
10:55
On Large Zeros of Linear Recurrence Sequences (abstract)
11:20
Deciding Termination of Simple Randomized Loops (abstract)
11:45-14:15Lunch Break
14:15-15:30 Session 3A
Location: 316 (Main room)
14:15
Kernelization in Almost Linear Time for Clustering into Bounded Vertex Cover Components (abstract)
14:40
Quasipolynomial-Time Deterministic Kernelization and Gammoid Representation (abstract)
15:05
Elimination Distance to Dominated Clusters (abstract)
14:15-15:30 Session 3B
14:15
Temporal Valued Constraint Satisfaction Problems (abstract)
14:40
Three Fundamental Questions in Modern Infinite-Domain Constraint Satisfaction (abstract)
15:05
Quantum Relaxations of CSP and Structure Isomorphism (abstract)
15:30-16:00Coffee Break
16:00-17:15 Session 4A
Location: 316 (Main room)
16:00
Solving Partial Dominating Set and Related Problems Using Twin-Width (abstract)
16:25
A Note on the Complexity of Defensive Domination (abstract)
16:50
Parameterized Spanning Tree Congestion (abstract)
16:00-17:15 Session 4B
16:00
Positional-Player Games (abstract)
16:25
Games with ω-Automatic Preference Relations (abstract)
16:50
Deciding regular games: a playground for exponential time algorithms (abstract)
17:30-20:00

Welcome reception in the University of Warsaw Library.

Tuesday, August 26th

View this program: with abstractssession overviewtalk overview

09:00-10:00 Session 5
Location: 316 (Main room)
09:00
On Graph Queries and Modal Constraints (abstract)
10:00-10:30Coffee Break
10:30-11:45 Session 6A
Location: 316 (Main room)
10:30
An EPTAS for minimizing the total weighted completion time of jobs with release dates on uniformly related machines (abstract)
10:55
Counting Locally Optimal Tours in the TSP (abstract)
11:20
Approximating Prize-Collecting Variants of TSP (abstract)
10:30-11:45 Session 6B
10:30
Resolving Nondeterminism with Randomness (abstract)
10:55
Relative randomness and continuous translation functions (abstract)
11:20
Random Permutations in Computational Complexity (abstract)
11:45-14:15Lunch Break
14:15-15:30 Session 7A
Location: 316 (Main room)
14:15
Counting Distinct Square Substrings in Sublinear Time (abstract)
14:40
A proof of Shur's conjecture on the growth of power-free languages over large alphabets (abstract)
15:05
Reachability in symmetric VASS (abstract)
14:15-15:30 Session 7B
14:15
Polynomial-time Tractable Problems over the p-adic Numbers (abstract)
14:40
Deciding Robust Instances of an Escape Problem for Dynamical Systems in Euclidean Space (abstract)
15:05
One-Parametric Presburger Arithmetic has Quantifier Elimination (abstract)
15:30-16:00Coffee Break
16:00-17:15 Session 8A
Location: 316 (Main room)
16:00
Linear Time Subsequence and Supersequence Regex Matching (abstract)
16:25
Efficient Matching of Some Fundamental Regular Expressions with Backreferences (abstract)
16:50
Negated String Containment is Decidable (abstract)
16:00-17:15 Session 8B
16:00
Model-theoretic Forcing in Transition Algebra (abstract)
16:25
Homomorphism Indistinguishability and Game Comonads for Restricted Conjunction and Requantification (abstract)
16:50
Symmetric Proofs in the Ideal Proof System (abstract)
Wednesday, August 27th

View this program: with abstractssession overviewtalk overview

09:00-10:00 Session 9
Location: 316 (Main room)
09:00
Almost-Linear Time Algorithms for Partially Dynamic Graphs
10:00-10:30Coffee Break
10:30-11:45 Session 10A
Location: 316 (Main room)
10:30
Wait-Only Broadcast Protocols are Easier to Verify (abstract)
10:55
Broadcasting under Structural Restrictions (abstract)
11:20
Online Knapsack Problems with Estimates (abstract)
10:30-11:45 Session 10B
10:30
Quantitative Monoidal Algebra: Axiomatising Distance with String Diagrams (abstract)
10:55
Algebraic Barriers to Halving Algorithmic Information Quantities in Correlated Strings (abstract)
11:20
Right-Linear Lattices: An Algebraic Theory of ω-Regular Languages via Fixed Points (abstract)
11:45-14:15Lunch Break
14:15-15:30 Session 11A
Location: 316 (Main room)
14:15
Tight analysis of the primal-dual method for edge-covering pliable set families (abstract)
14:40
On the Performance of Mildly Greedy Players in k-Coloring Games (abstract)
15:05
Improved Approximation Algorithms for Capacitated Vehicle Routing with Fixed Capacity (abstract)
14:15-15:30 Session 11B
14:15
Quantum Programming in Polylogarithmic Time (abstract)
14:40
A Universal Uniform Approximation Theorem for Neural Networks (abstract)
15:05
Cutoff Theorems for the Equivalence of Parameterized Quantum Circuits (abstract)
15:30-16:00Coffee Break
16:00-17:15 Session 12A
Location: 316 (Main room)
16:00
Generalized De Bruijn Words, Invertible Necklaces, and the Burrows–Wheeler Transform (abstract)
16:25
Morphisms and BWT-run Sensitivity (abstract)
16:50
Word structures and their automatic presentations (abstract)
16:00-17:15 Session 12B
16:00
On the Reachability Problem for Two-Dimensional Branching VASS (abstract)
16:25
FO-Query Enumeration over SLP-Compressed Structures of Bounded Degree (abstract)
16:50
On Piecewise Affine Reachability with Bellman Operators (abstract)
18:30-22:00

Dinner at Arkady Kubickiego (old town).

Thursday, August 28th

View this program: with abstractssession overviewtalk overview

09:00-10:00 Session 13
Location: 316 (Main room)
09:00
Higher Connectivity in Directed Graphs
10:00-10:30Coffee Break
10:30-11:45 Session 14A
Location: 316 (Main room)
10:30
Shortest Paths in Multimode Graphs (abstract)
10:55
Token Sliding Reconfiguration on DAGs (abstract)
11:20
Temporal Graph Realization With Bounded Stretch (abstract)
PRESENTER: Paul Spirakis
10:30-11:45 Session 14B
10:30
Regular model checking for systems with effectively regular reachability relation (abstract)
10:55
The complexity of reachability problems in strongly connected finite automata (abstract)
11:20
The complexity of separability for semilinear sets and Parikh automata (abstract)
11:45-14:15Lunch Break
14:15-15:30 Session 15A
Location: 316 (Main room)
14:15
Graphs with no long claws: An improved bound for the analog of the Gyárfás’ path argument (abstract)
14:40
Symmetry classes of Hamiltonian cycles (abstract)
15:05
Labelled Well Quasi Ordered Classes of Bounded Linear Clique-Width (abstract)
14:15-15:30 Session 15B
14:15
Catalytic Computing and Register Programs Beyond Log-Depth (abstract)
14:40
Monotone Bounded-Depth Complexity of Homomorphism Polynomials (abstract)
15:05
Characterizations of Small Circuit Classes via Discrete Ordinary Differential Equations (abstract)
15:30-16:00Coffee Break
16:00-16:50 Session 16A
Location: 316 (Main room)
16:00
Complexity of Anchored Crossing Number and Crossing Number of Almost Planar Graphs (abstract)
16:25
Cops and Robbers for Graphs on Surfaces with Crossings (abstract)
16:00-16:50 Session 16B
16:00
Color Refinement for Relational Structures (abstract)
16:25
Lazy B-Trees (abstract)
17:20-18:30 Session 17

Business meeting

Location: 316 (Main room)
Friday, August 29th

View this program: with abstractssession overviewtalk overview

09:00-10:00 Session 18
Location: 316 (Main room)
09:00
On Synthesis of Distributed Monitors (abstract)
10:00-10:30Coffee Break
10:30-11:45 Session 19A
Location: 316 (Main room)
10:30
On the Complexity of Recoverable Robust Optimization in the Polynomial Hierarchy (abstract)
10:55
New Hardness Results for Low-Rank Matrix Completion (abstract)
11:20
Finding equilibria: simpler for pessimists, simplest for optimists (abstract)
10:30-11:45 Session 19B
10:30
Subcoloring of (Unit) Disk Graphs (abstract)
10:55
Guarding Offices with Maximum Dispersion (abstract)
11:20
Hitting and Covering Affine Families of Convex Polyhedra, with Applications to Robust Optimization (abstract)
11:45-14:15Lunch Break
14:15-15:30 Session 20A
Location: 316 (Main room)
14:15
Adaptive Query Algorithms for Relational Structures Based on Homomorphism Counts (abstract)
14:40
Dynamic Membership for Regular Tree Languages (abstract)
15:05
Sensitivity and Query Complexity under Uncertainty (abstract)
14:15-15:30 Session 20B
14:15
Probabilistic Finite Automaton Emptiness is Undecidable for a Fixed Automaton (abstract)
14:40
Register Automata with Permutations (abstract)
15:05
Minimization of Deterministic Finite Automata Modulo the Edit Distance (abstract)
15:30-16:00Coffee Break
16:00-17:15 Session 21A
Location: 316 (Main room)
16:00
The Complexity of Computing Second Solutions (abstract)
16:25
Which graph motif parameters count? (abstract)
16:50
#SAT-Algorithms for Classes of Threshold Circuits Based on Probabilistic Rank (abstract)
16:00-17:15 Session 21B
16:00
Universality Frontier for Asynchronous Cellular Automata (abstract)
16:25
Lexicographic transductions of finite words (abstract)
16:50
Strong keys for tensor isomorphism cryptography (abstract)