V.I. Romanovskiy Institute of Mathematics of the AS RUz
National University of Uzbekistan named after Mirzo Ulugbek
Samarkand State University named after Sh.R. Rashidov

PROGRAM
INTERNATIONAL CONFERENCEBRANCHING PROCESSESAND THEIR APPLICATIONS
September 18 – 22, 2023
Tashkent – Samarkand

TASHKENT – 2023

CONFERENCE SCHEDULE
Monday, September 18, 2023
0930 – 1030
1030 – 1200
1200 – 1400
1400 – 1615
1615 – 1630

1630 – 1800

1800 – 2030

Registration
Hall of the Institute of Mathematics
Opening and Plenary Session
Institute of Mathematics, Room 401
Lunch
Plenary Sessions - Institute of Mathematics, Room 401Coffee BreakSectional Sessions
Section А. Branching processes and trees
Institute of Mathematics, Room 105
Section B. Branching random walks
Institute of Mathematics, Room 104
Section C. Stochastic analysis
Institute of Mathematics, Room 102
Welcome Party

Tuesday, September 19, 2023
1030 – 1230
1230 – 1400
1400 – 1615
1615 – 1630

1630 – 1745

1800 – 2000

Plenary Sessions - Institute of Mathematics, Room 401
Lunch
Plenary Sessions - Institute of Mathematics, Room 401
Coffee BreakSectional Sessions
Section А. Branching processes and trees
Institute of Mathematics, Room 105
Section B. Branching random walks
Institute of Mathematics, Room 104
Section C. Stochastic analysis
Institute of Mathematics, Room 102
DinnerWednesday, September 20, 2023
1030 – 1230
1230 – 1400
1400 – 1500
1500 – 1800
1800 – 1900
1900 – 2000
2000 – 2100

Plenary Session - Samarkand State University, Room P105
Lunch
Discussion of Poster Presentations
Samarkand State University, Room P105
Excursion to the Historical Places of Samarkand
DinnerBreak
Excursion to the Registan Ensemble

Thursday, September 21, 2023
0900 – 1600

Excursion to the Historical Places of Samarkand

Friday, September 22, 2023
1030 – 1130
1130 – 1200
1200Discussion of Poster Presentations
Institute of Mathematics, Room: 105
Round Table
Institute of Mathematics, Room: 105
Closing of Conference
Institute of Mathematics, Room: 105

Monday, September 18, 2023
OPENING CEREMONY
Chairman: U.A. Rozikov
Date and Time: September 18, 1030 – 1200
Room: 401 (Institute of Mathematics)
Zoom ID: 880 3179 8514
Passcode: 1
https://us02web.zoom.us/j/88031798514?pwd=SHAzL1kwTmcyYm1PdkdzNVNLNUZ6dz09
Welcome Speeches
Sh.A.Аyupov, Chairman of the Organizing Committee, Director of the Institute of1030 – 1100
Mathematics, Academician;
I.U.Madjidov, Rector of the National University of Uzbekistan, Professor;
R.I.Khalmuradov, Rector of Samarkand State University, Professor.
Sylvie Méléard
1100 – 1130
Time reversal of spinal processes for branching processes near stationarity
Vladimir Vatutin
1130 – 1200
Random walks conditioned to stay nonnegative and branching processes in nonfavorable random environment
1200 – 1400
Lunch
PLENARY SESSIONS
Chairman: Vincent Bansaye
Date and Time: September 18, 1400 – 1615
Secretary: Abdurahmon Aliev
Room: 401 (Institute of Mathematics)
Zoom ID: 880 3179 8514
Passcode: 1
https://us02web.zoom.us/j/88031798514?pwd=SHAzL1kwTmcyYm1PdkdzNVNLNUZ6dz09Cloez Bertrand
1400 – 1430
Recent results on eigenvalues for branching processes and related fields
Vitali Wachtel
1430 – 1500
Near-critical branching processes considered as Markov chains with small drift
1500 – 1515
Break
Emma Horton
1515 – 1545
Long-term behavior of the neutron transport equation at criticality (online)
Peter Mörters
1545 – 1615
Branching with selection and mutation (online)
1530
16 – 16Break
SECTIONAL SESSIONS
Section A.
Branching processes and trees
Chairman: Vitali Wachtel
Secretary: Zuhriddin Nazarov
Date and Time: September 18, 1630 – 1745
Room: 105 (Institute of Mathematics)
Zoom ID: 880 3179 8514
Passcode: 1
https://us02web.zoom.us/j/88031798514?pwd=SHAzL1kwTmcyYm1PdkdzNVNLNUZ6dz09

1630 – 1645
1645 – 1700
1700 – 1715
1715 – 1730
1730 – 1745
Section B.

Delmas Jean-Francois
SIS model on (random) dense graphs: probabilistic approach and remarks on optimal
vaccinations
Pavel Chigansky
Approximation of size-density dependent branching processes
Minuesa Abril Carmen
Bayesian inference in controlled branching processes via ABC methodology (online)
Sophie Hautphenne
Consistent estimation for population-size-dependent branching processes (online)
George Yanev
Branching Processes with Migration Subordinated by Renewal Process (online)
Branching random walks

Chairman: Elena Yarovaya
Secretary: Ibrohim Mukhtorov
Date and Time: September 18, 1630 – 1745
Room: 104 (Institute of Mathematics)
Zoom ID: 825 9019 7002
Passcode: 1
https://us06web.zoom.us/j/82590197002?pwd=dTVreXJLQXFzdVNrTUp0aVpZUzdJUT09
Sergei Zuyev
1630 – 1645
Branching self-decomposability and limit theorems for superposition of point processes
Alexander Shklyaev
1645 – 1700
Large Deviations of Bisexual Branching Processes in Random Environment
Hong Wengmin
1700 – 1715
Conditional central limit theorem for critical and subcritical branching random walk(online)
José Hermenegildo Ramírez González
1530
17 – 17
Occupation time fluctuations of a Bellman-Harris critical binary branching particle
system: large dimensions (online)
Ekaterina Bulinskaya
1730 – 1745
Asymptotic Shape of Branching Random Walks on Periodic Graphs (online)
Section C.

Stochastic analysis

Chairman: Olimjon Sharipov
Secretary: Misliddin Murtazaev
Date and Time: September 18, 1630 – 1800
Room: 102 (Institute of Mathematics)
Zoom ID: 825 9019 7002
Passcode: 1
https://us06web.zoom.us/j/82590197002?pwd=dTVreXJLQXFzdVNrTUp0aVpZUzdJUT09
1630 – 1645
1645 – 1700
1700 – 1715

Vladimir Lotov, Vali Khodjibayev
On the distribution of the crossing number of a strip by trajectories of the Levy process
Sherzod Mirakhmedov
Asymptotic approximation associated with generalized random allocation schemes
Nasir Ganikhodjaev
Quadratic Stochastic Operators with Countable State Space1715 – 1730
1730 – 1745
1745 – 1800
1800 – 2000

Abdujabbor Rasulov
Branching process for the solution of semi-linear Helmholtz boundary value problem
Makhamat Gafurov
Convergence Rate Estimates in the Hartman-Wintner Law of the Iterated Logarithm
Yuliya Korablina
Boundedness of the classical operators in weighted quasi-Banach spaces of entire
functions (online)
Welcome Party

Tuesday, September 19, 2023
PLENARY SESSIONS
Chairman: Vladimir Vatutin
Secretary: Аbdurahmon Aliev
Date and Time: September 19, 1030 – 1230
Room: 401 (Institute of Mathematics)
Zoom ID: 880 3179 8514
Passcode: 1
https://us02web.zoom.us/j/88031798514?pwd=SHAzL1kwTmcyYm1PdkdzNVNLNUZ6dz09
Valeriy Afanasyev
1030 – 1100
Weakly supercritical branching process in non-favorable random environment
Matthias Meiners
1100 – 1130
Asymptotic fluctuations of supercritical general branching processes (online)
Elena Yarovaya
1130 – 1200
Spectral methods and their applications in the theory of branching random walks
Irina Lukashova
1200 – 1230
A periodic branching random walk with immigration on ℤd3000
12 – 14Lunch
PLENARY SESSIONS
Chairman: Cloez Bertrand
Secretary: Sadillo Sharipov
Date and Time: September 19, 1400 – 1615
Room: 401 (Institute of Mathematics)
Zoom ID: 880 3179 8514
Passcode: 1
https://us02web.zoom.us/j/88031798514?pwd=SHAzL1kwTmcyYm1PdkdzNVNLNUZ6dz09
Alex Watson
1400 – 1430
Growth-fragmentation and quasi-stationary methods (online)
Wang Hua-Ming
3000
14 – 15
Times of a branching process with immigration in varying environment attaining afixed level (online)
1500 – 1515
BreakMartin Kolb
1515 – 1545
Explosion phenomena for Fleming-Viot-type processes (online)
Clément Foucart
1545 – 1615Explosions and dualities in logistic continuous state branching processes (online)
1615 – 1630
BreakSECTIONAL SESSIONS
Section A.

Branching processes and trees

Chairman: Delmas Jean Francois
Secretary: Ibrohim Mukhtorov
Date and Time: September 19, 1630 – 1745
Room: 105 (Institute of Mathematics)
Zoom ID: 880 3179 8514
Passcode: 1
https://us02web.zoom.us/j/88031798514?pwd=SHAzL1kwTmcyYm1PdkdzNVNLNUZ6dz09
Ines del Puerto
1630 – 1645
Large Deviation for Supercritical Controlled Branching Processes (online)
Miguel González
1645 – 1700
Randomly Indexed Controlled Branching Processes (online)
Márton Ispány
00
15
17 – 17
Periodic branching processes with immigration and their implicit multi-type
representation (online)
Wang Ren-Yi
1715 – 1730
A Countable-Type Branching Process Model for the Tug-of-War Cancer Cell Dynamics(online)Zuhriddin Nazarov
1730 – 1745
The Total Progeny in the Positive Recurrent Q-processes
Section B.

Branching random walks

Chairman: Sylvie Méléard
Secretary: Аbdurahmon Aliev
Date and Time: September 19, 1630 – 1745
Room: 104 (Institute of Mathematics)
Zoom ID: 825 9019 7002
Passcode: 1
https://us06web.zoom.us/j/82590197002?pwd=dTVreXJLQXFzdVNrTUp0aVpZUzdJUT09
1630 – 1645
BreakSarah Penington
1645 – 1700
Gaussian waves in BBM with mean-dependent branching (online)
Konstantin Denisov
1700 – 1715
Lower Large Deviations of Strongly Supercritical Branching Process in Random
Environment with Geometric Number of Descendants: Local Asymptotic
Yadav Sumit Kumar
1530
17 – 17
Coalescence in Bisexual Branching Processes
Shuai Yubo
3045
17 – 17
Asymptotic for the site frequency spectrum associated with the genealogy of a birth anddeath process (online)

Section C.
Stochastic analysis
Chairman: Nasir Ganikhodjaev
Secretary: Zuhriddin Nazarov
Date and Time: September 19, 1630 – 1745
Room: 102 (Institute of Mathematics)
Zoom ID: 825 9019 7002
Passcode: 1
https://us06web.zoom.us/j/82590197002?pwd=dTVreXJLQXFzdVNrTUp0aVpZUzdJUT09
Olimjon Sharipov
1630 – 1645
Central limit theorem for ρ-mixing random variables with values in L p  0,1 .
1645 – 1700
1700 – 1715
1715 – 1730
1730 – 1745

Jakhongir Azimov
Limit theorems for the branching process with decreasing immigration
Igamnazar Mamurov
Limited Theorem for Members of the Variational Series with a Random Sample Size
Azam Imomov
On explicit expression of the Generating Function of Invariant Measures of Critical
Galton-Watson Branching Systems
Isakjan Khamdamov
Weakly Dependent Properties of Vertex Processes of a Convex Hull

Wednesday, September 20, 2023
PLENARY SESSION
Chairman: Sergei Zuyev
Secretary: Khamza Kudratov
Date and Time: September 20, 1030 – 1230
Room: P105 (Samarkand State University)
Meeting ID: 880 3179 8514
Passcode: 1
https://us02web.zoom.us/j/88031798514?pwd=SHAzL1kwTmcyYm1PdkdzNVNLNUZ6dz09
Alexander Sakhanenko
1030 – 1100
On random walks in random environment with random local constraints (online)
Yerakhmet Zhumayev
1100 – 1130
Theta positive branching processes in varying environment
Emmanuel Schertzer
1130 – 1200
Pushed and pulled waves in population genetics (online)
Sadillo Sharipov
00
30
12 – 12Functional limit theorems and the asymptotic normality of estimators based onpartial observations.
Lunch
1230 – 1400
DISCUSSION OF POSTER PRESENTATIONS

1400 – 1500

Khamza Kudratov
A limit theorem for the critical Galton-Watson branching processes
Khamza Toshqulov
On the rate of convergence in limit theorems for fluctuation critical branchingprocesses with immigration
Alloberdi Sattarov
Classification of non-strongly nilpotent filiform Leibniz algebras of dimension 12

Saidakhmat Abdukhakimov
Note on critical mappings of the circle with rotation number of algebraic type
Inomjon Mizomov
On the identity of the theta functions
1500 – 1800
Excursion to the Historical Places of Samarkand
00
00
18 – 19Dinner
1900 – 2000
Break00
00
20 – 21
Excursion to the Registan Ensemble
Thursday, September 21, 2023
900 – 1600

Excursion to the Historical Places of Samarkand

Friday, September 22, 2023
DISCUSSION OF POSTER PRESENTATIONS
Date and Time: September 22, 1030 – 1130
Room: 105 (Institute of Mathematics)
Shoturgun Sharakhmetov
Extremal values of integral type functional
Abdurahmon Aliev
Central limit theorem for stochastic perturbations of PL circle maps with two breakpointsShukur Juraev
On refinements of the asymptotic expansion of the continuation of critical branchingprocesses
Toliboy Adirov
Estimation of the Parameter of one Class of Distributions
Talat ZuparovCentral limit theorem for a 1-order autoregressive
process with random coefficients
Vladislav Litvinov
Stochastic longitudinal oscillations viscoelastic rope with moving boundaries, taking
1030 – 1130
into account damping forces
Yagub Aliev
Digits of Powers of 2 in Ternary Numeral System
Misliddin Murtazaev
On refinement of some limit theorems for the noncritical Galton-Watson Branching
Systems
Soltan Aliyev
Limit theorem for a subcritical branching process with continuo us time andmigration
Xusniddin Mamatov
Limited Theorem for Stochastic Integrals over Semi-Martingales
Utkir Kobilov
On the maximum of dependent random variables
1130 – 1200

Round Table
Institute of Mathematics, Room 105
CLOSING CEREMONY

Chairman: U.A. Rozikov
Date and Time: September 22, 1200
Room: 105 (Institute of Mathematics)