The 8th Conference of PhD Students in Mathematics

Szeged, Hungary, July 1 - 3, 2026

Preliminary Program


This is a preliminary program, the right to make changes is reserved.

July 1

July 1

09:00
Registration
09:40
Opening – Bolyai Room
Stochastics – Bolyai Room
Chair: Mátyás Barczy
09:50
Kata Kubatovics:
Heavy-Tailed Critical Galton–Watson Processes with Immigration
10:15
Dániel Péter Bezdány:
Asymptotic Behavior of Some Galton-Watson Processes with Inhomogeneous Immigration
Algebra 1 – Vályi Room
Chair: Tamás Waldhauser
09:50
Tamás Ágoston:
Monoidal Intervals for Idempotent Transformation Monoids
10:15
Kristóf Varga:
Universal Algebraic Geometry of Bands
Stochastics   –   Bolyai Room
Chair: Mátyás Barczy
Algebra 1   –   Vályi Room
Chair: Tamás Waldhauser
09:50
Kata Kubatovics:
Heavy-Tailed Critical Galton–Watson Processes with Immigration
Tamás Ágoston:
Monoidal Intervals for Idempotent Transformation Monoids
10:15
Dániel Péter Bezdány:
Asymptotic Behavior of Some Galton-Watson Processes with Inhomogeneous Immigration
Kristóf Varga:
Universal Algebraic Geometry of Bands
10:40
Coffee break
Plenary Session – Bolyai Room
11:00
Gergely Ambrus:
Extreme Tales on Unit Distances
12:00
Group photo
12:15
Lunch – Cheers Bar
Geometry 1 – Bolyai Room
Chair: Ferenc Fodor
13:45
Alexandra Bakó-Szabó:
On the Distance of Random Points from a Spherical Shell
14:10
Dániel István Papvári:
Series Expansions for Generalized Random Polygons
14:35
Balázs Grünfelder:
Random Beta-Polytopes: Variance Bounds and Limit Theorems
15:00
Akbar Shahkaramov:
Construction of Rank-k Antipodal Sets
15:25
Miklós Eper:
Objects of Hodge Theory
Algebra 2 – Vályi Room
Chair: Tamás Waldhauser
13:45
Ádám Budai:
Admissible Extensions of Clifford Semigroups by Groups
14:10
Ágnes Kápolnai:
Group Rings with Metabelian Unit Groups in Characteristic 2
14:35
Csenge Lilla Galántai-Fekete:
Definable Preoders of Directed Graphs with Compatible Operations
15:00
Bernadett Nemes:
Direct Product of Directed Graphs of Algebraic Length 1
15:25
Vineet Kumar:
Multiplicative Lie Crossed Modules of Multiplicative Lie Algebras and Their Isoclinism
Geometry 1   –   Bolyai Room
Chair: Ferenc Fodor
Algebra 2   –   Vályi Room
Chair: Tamás Waldhauser
13:45
Alexandra Bakó-Szabó:
On the Distance of Random Points from a Spherical Shell
Ádám Budai:
Admissible Extensions of Clifford Semigroups by Groups
14:10
Dániel István Papvári:
Series Expansions for Generalized Random Polygons
Ágnes Kápolnai:
Group Rings with Metabelian Unit Groups in Characteristic 2
14:35
Balázs Grünfelder:
Random Beta-Polytopes: Variance Bounds and Limit Theorems
Csenge Lilla Galántai-Fekete:
Definable Preoders of Directed Graphs with Compatible Operations
15:00
Akbar Shahkaramov:
Construction of Rank-k Antipodal Sets
Bernadett Nemes:
Direct Product of Directed Graphs of Algebraic Length 1
15:25
Miklós Eper:
Objects of Hodge Theory
Vineet Kumar:
Multiplicative Lie Crossed Modules of Multiplicative Lie Algebras and Their Isoclinism
15:50
Coffee break
Geometry 2 – Bolyai Room
Chair: Ferenc Fodor
16:20
Zsolt Szabó:
Asymptotics of Random Tilings of the Aztec Diamond
16:45
Shanshan Wang:
Equilibria in Non-Euclidean Geometries
17:10
Dorottya Dancsó:
Softening of Locally Polyhedral Tilings
Didactics – Vályi Room
Chair: Judit Nagy-György
16:20
Attila Máder:
New Participants in Mathematics Education: Artificial Intelligence and Digital Tools (in Hungarian)
16:45
Júlia Goldmann:
Description for the "Fundamentals of Programming" Practice Session, Fall 2025/2026
17:10
Tibor Dobján:
Memetics in Mathematics Education (in Hungarian)
Geometry 2   –   Bolyai Room
Chair: Ferenc Fodor
Didactics   –   Vályi Room
Chair: Judit Nagy-György
16:20
Zsolt Szabó:
Asymptotics of Random Tilings of the Aztec Diamond
Attila Máder:
New Participants in Mathematics Education: Artificial Intelligence and Digital Tools (in Hungarian)
16:45
Shanshan Wang:
Equilibria in Non-Euclidean Geometries
Júlia Goldmann:
Description for the "Fundamentals of Programming" Practice Session, Fall 2025/2026
17:10
Dorottya Dancsó:
Softening of Locally Polyhedral Tilings
Tibor Dobján:
Memetics in Mathematics Education (in Hungarian)
17:35
Free program
18:10
Sightseeing Train – In front of Bolyai Building
19:00
Welcome Party – Garden Stég

July 2

July 2

Applications – Bolyai Room
Chair: János Karsai
08:30
Gergő Török:
Multifractal Structure of Neural Network Loss Landscapes
08:55
Olivér Régaisz:
Realtime Modeling the 2025 Foot-and-Mouth Disease Outbreak in the Hungary-Slovakia Border Region
09:20
Viktória Várkonyi:
Forecasting Hydrological Time Series Using a Temporal Fusion Transformer Model
09:45
Anna Geretovszky:
Uncovering Genotoxic Effects Through Differential Equation Models: Investigating Bacteria, Drugs and Hidden Interactions
10:10
Bita Khalife:
Approximation Error Analysis via Gram Matrices in Hilbert Spaces with Applications to Kernel Methods
Algebra 3 – Vályi Room
Chair: Gergő Gyenizse
08:30
Tamás Bencze:
Matrix Tuples with Linearly Dependent Invariant Subspaces
08:55
Levente Szemerédi:
Convergence Rate Analysis of Ratio Consensus Algorithms with Column-Allowable Matrices
09:20
Teng Zhang:
Kadison's Theorem on Linear Order Isomorphisms of C*-Algebras Holds Without the Additivity Assumption
09:45
Balázs Csillag:
On the Diophantine Equation u_n=u_l^k(Au_r^m+B)
10:10
Ábel Lőrinczi:
Tree Representations of Tame Quivers
Applications   –   Bolyai Room
Chair: János Karsai
Algebra 3   –   Vályi Room
Chair: Gergő Gyenizse
08:30
Gergő Török:
Multifractal Structure of Neural Network Loss Landscapes
Tamás Bencze:
Matrix Tuples with Linearly Dependent Invariant Subspaces
08:55
Olivér Régaisz:
Realtime Modeling the 2025 Foot-and-Mouth Disease Outbreak in the Hungary-Slovakia Border Region
Levente Szemerédi:
Convergence Rate Analysis of Ratio Consensus Algorithms with Column-Allowable Matrices
09:20
Viktória Várkonyi:
Forecasting Hydrological Time Series Using a Temporal Fusion Transformer Model
Teng Zhang:
Kadison's Theorem on Linear Order Isomorphisms of C*-Algebras Holds Without the Additivity Assumption
09:45
Anna Geretovszky:
Uncovering Genotoxic Effects Through Differential Equation Models: Investigating Bacteria, Drugs and Hidden Interactions
Balázs Csillag:
On the Diophantine Equation u_n=u_l^k(Au_r^m+B)
10:10
Bita Khalife:
Approximation Error Analysis via Gram Matrices in Hilbert Spaces with Applications to Kernel Methods
Ábel Lőrinczi:
Tree Representations of Tame Quivers
10:40
Coffee break
Plenary Session – Bolyai Room
11:00
Zsolt Gazdag:
Context Matters: How Context Sensitivity Enhances Computational Power in Membrane Systems
12:00
Group photo
12:15
Lunch – Cheers Bar
Epidemics – Bolyai Room
Chair: János Karsai
13:45
Ibrahim Nali:
Mushroom and Isola Bifurcations in a Within-Host Bacterial Infection Model with Allee Effect
14:10
Nigussie Abeye Shiferaw:
A Seasonal Stage-Structured Mathematical Model for Flavescence Dorée DiseaseTransmission in Grapevines
14:35
Villő Glavosits:
Threshold Dynamics in a Time-Delayed Logistic Model of Cell Populations
15:00
Rita Csuma-Kovács:
The Mathematical Analysis of Transmission Dynamics of Varicella
15:25
Yayuk Setyaning Astutik:
Hierarchical Bayesian ZI Model With Spatiotemporal Random Effects
Quantum and Cryptography – Vályi Room
Chair: Róbert Trényi
13:45
Abdelmalek Taoutioui:
Certifying Asymmetry in the Configuration of Finite Sets of Qubits
14:10
Ram Krishna Patra:
Certification of Absolutely Entangled Sets in Prepare-and-Measure Scenarios
14:35
Dániel Orsós:
Brute Force Cryptanalysis of KASUMI Optimization Assisted by Lower-Tier GPUs
Epidemics   –   Bolyai Room
Chair: János Karsai
Quantum and Cryptography   –   Vályi Room
Chair: Róbert Trényi
13:45
Ibrahim Nali:
Mushroom and Isola Bifurcations in a Within-Host Bacterial Infection Model with Allee Effect
Abdelmalek Taoutioui:
Certifying Asymmetry in the Configuration of Finite Sets of Qubits
14:10
Nigussie Abeye Shiferaw:
A Seasonal Stage-Structured Mathematical Model for Flavescence Dorée DiseaseTransmission in Grapevines
Ram Krishna Patra:
Certification of Absolutely Entangled Sets in Prepare-and-Measure Scenarios
14:35
Villő Glavosits:
Threshold Dynamics in a Time-Delayed Logistic Model of Cell Populations
Dániel Orsós:
Brute Force Cryptanalysis of KASUMI Optimization Assisted by Lower-Tier GPUs
15:00
Rita Csuma-Kovács:
The Mathematical Analysis of Transmission Dynamics of Varicella
15:25
Yayuk Setyaning Astutik:
Hierarchical Bayesian ZI Model With Spatiotemporal Random Effects
15:50
Free program
16:20
Organ recital and DÓM Tower visit – Votive Church
17:40
Free program (Table Tennis)
19:00
Street Food Party – Cheers Bar

July 3

July 3

Graphs and Combinatorics – Bolyai Room
Chair: Zoltán Blázsik
08:30
Bence Csonka:
Shannon Capacity and Graph Operations
08:55
Benedek Váli:
Extremal Graph Theoretic Results for q-ary Vectors
09:20
Ena Matarić:
On Cherry Coloring of Graphs
09:45
Fanni Simán:
Generalized Poly-Bernoulli Numbers
10:10
Marcell Mágori:
Rubik's Cube Variants, Graphs and Groups
Differential Equations – Vályi Room
Chair: Attila Dénes
08:30
Menghis Teweldebrhan Bahlibi:
Qualitative Properties of Numerical Solutions for Nonlinear Elliptic and Parabolic Partial Differential Equations
08:55
Mohamed Coulibaly:
Comparison of Agent-Based, Mean Field, and Pairwise Models of a Predator-Prey Ecosystem
09:20
Sarkhel Mahmood:
Wait or Vaccinate? Behavioural Dynamics of Competing Vaccine Strategies in a Compartmental Epidemic Model with Prevalence-Dependent Hesitanc
09:45
Ayman Abdelaziz:
SINDYc-Based Identification of Controlled SIR Epidemic Dynamics with Physically Consistent Model Selection
10:10
Mouna Chegaar:
Removable Sets for Fractional Heat and Fractional Bessel-Heat Equations
Graphs and Combinatorics   –   Bolyai Room
Chair: Zoltán Blázsik
Differential Equations   –   Vályi Room
Chair: Attila Dénes
08:30
Bence Csonka:
Shannon Capacity and Graph Operations
Menghis Teweldebrhan Bahlibi:
Qualitative Properties of Numerical Solutions for Nonlinear Elliptic and Parabolic Partial Differential Equations
08:55
Benedek Váli:
Extremal Graph Theoretic Results for q-ary Vectors
Mohamed Coulibaly:
Comparison of Agent-Based, Mean Field, and Pairwise Models of a Predator-Prey Ecosystem
09:20
Ena Matarić:
On Cherry Coloring of Graphs
Sarkhel Mahmood:
Wait or Vaccinate? Behavioural Dynamics of Competing Vaccine Strategies in a Compartmental Epidemic Model with Prevalence-Dependent Hesitanc
09:45
Fanni Simán:
Generalized Poly-Bernoulli Numbers
Ayman Abdelaziz:
SINDYc-Based Identification of Controlled SIR Epidemic Dynamics with Physically Consistent Model Selection
10:10
Marcell Mágori:
Rubik's Cube Variants, Graphs and Groups
Mouna Chegaar:
Removable Sets for Fractional Heat and Fractional Bessel-Heat Equations
10:40
Coffee break
Plenary Session – Bolyai Room
11:00
Róbert Trényi:
Iterative Optimization in Quantum Metrology and Entanglement Theory Using Semidefinite Programming
12:00
Group photo
12:15
Lunch – Cheers Bar
Physics – Bolyai Room
Chair: Emma Kun
13:45
Richárd Tamás Varga:
Gravitational Waves from Pulsar Timing
14:10
Bence Juhász:
Hamiltonian Formalism for the Rarita--Schwinger System
14:35
Kata Karácsonyi:
The Observability of Gravitational Waves in Scalar-Tensor Theories
15:00
Zsófia Oltvári:
Is the Quasar J1438+6211 a Compact Symmetric Object?
15:25
Tegze Tordai:
Image Formation in Weak Gravitational Lensing by Compact Objects with Electric Charge and Magnetic Dipole in Einstein–Maxwell and Einstein–Born–Infeld Theory
Physics   –   Bolyai Room
Chair: Emma Kun
13:45
Richárd Tamás Varga:
Gravitational Waves from Pulsar Timing
14:10
Bence Juhász:
Hamiltonian Formalism for the Rarita--Schwinger System
14:35
Kata Karácsonyi:
The Observability of Gravitational Waves in Scalar-Tensor Theories
15:00
Zsófia Oltvári:
Is the Quasar J1438+6211 a Compact Symmetric Object?
15:25
Tegze Tordai:
Image Formation in Weak Gravitational Lensing by Compact Objects with Electric Charge and Magnetic Dipole in Einstein–Maxwell and Einstein–Born–Infeld Theory