Romain Abraham

Documents

Publications

Conditioning Bienaymé-Galton-Watson trees to have large sub-populations

Romain Abraham , Hongwei Bi , Jean-François Delmas

Advances in Applied Probability, 2026, 58, pp.345-386

Article dans une revue hal-04312847v1

Brownian continuum random tree conditioned to be large

Romain Abraham , Jean-François Delmas , Hui He

Electronic Journal of Probability, 2026, 31, pp.1-70

Article dans une revue hal-03581326v3

Probability-graphons: Limits of large dense weighted graphs

Romain Abraham , Jean-François Delmas , Julien Weibel

Innovations in Graph Theory, 2025, 2, pp.25-117. ⟨10.5802/igt.7⟩

Article dans une revue hal-04361443v2

Penalization of Galton–Watson Trees with Marked Vertices

Romain Abraham , Sonia Boulal , Pierre Debs

Journal of Theoretical Probability, 2024, 37, pp.3688-3724. ⟨10.1007/s10959-024-01364-y⟩

Article dans une revue hal-04483823v1

Global regime for general additive functionals of conditioned Bienaymé-Galton-Watson trees

Romain Abraham , Jean-François Delmas , Michel Nassif

Probability Theory and Related Fields, 2022, 182 (182), pp.277-351. ⟨10.1007/s00440-021-01095-9⟩

Article dans une revue hal-02941122v1

Exact simulation of the genealogical tree for a stationary branching population and application to the asymptotics of its total length

Romain Abraham , Jean-François Delmas

Advances in Applied Probability, 2021, 53 (2), pp.537-574. ⟨10.1017/apr.2020.70⟩

Article dans une revue hal-01413614v3

Some Properties of Stationary Continuous State Branching Processes

Romain Abraham , Jean-François Delmas , Hui He

Stochastic Processes and their Applications, 2021, 141, pp.309-343. ⟨10.1016/j.spa.2021.07.011⟩

Article dans une revue hal-02614083v1

Penalization of Galton-Watson processes

Romain Abraham , Pierre Debs

Stochastic Processes and their Applications, 2020, 130 (5), pp.3095-3119. ⟨10.1016/j.spa.2019.09.005⟩

Article dans une revue hal-01744802v1

Very fat geometric galton-watson trees

Romain Abraham , Aymen Bouaziz , Jean-François Delmas

ESAIM: Probability and Statistics, 2020, 24, pp.294-314. ⟨10.1051/ps/2019026⟩

Article dans une revue hal-01591656v1

Asymptotic properties of expansive Galton-Watson trees

Romain Abraham , Jean-François Delmas

Electronic Journal of Probability, 2019, 24, Paper 15, 1-51. ⟨10.1214/19-EJP272⟩

Article dans une revue hal-01661755v1

Leveraging multiuser diversity for adaptive hybrid satellite-LTE downlink scheduler (H-MUDoS) in emerging 5G-satellite network

Romain Abraham , Jean-François Delmas , Michel Nassif

International Journal of Satellite Communications and Networking, 2019, 37 (2), pp.113-125. ⟨10.1002/sat.1259⟩

Article dans une revue hal-03576434v1

Critical multi-type Galton- Watson trees conditioned to be large

Romain Abraham , Jean-François Delmas , Hongsong Guo

Journal of Theoretical Probability, 2018, 31, pp.757-788. ⟨10.1007/s10959-016-0739-8⟩

Article dans une revue hal-01224696v2

Variational methods for tomographic reconstruction with few views

Maïtine Bergounioux , Isabelle Abraham , Romain Abraham , Guillaume Carlier , Erwan Le Pennec et al.

Milan Journal of Mathematics, 2018, 86 (2), pp.157--200

Article dans une revue hal-01817172v1

Automatic choice of the threshold of a grain filter via Galton-Watson trees. Application to granite cracks detection

Romain Abraham , Maïtine Bergounioux , Pierre Debs

Journal of Mathematical Imaging and Vision, 2018, 6 (1), pp.50-69

Article dans une revue hal-01337551v2

Reversal property of the Brownian tree

Romain Abraham , Jean-François Delmas

ALEA : Latin American Journal of Probability and Mathematical Statistics, 2018, 15, pp.1293-1309

Article dans une revue hal-01613842v1

Tomographic Reconstruction from a Few Views: A Multi-Marginal Optimal Transport Approach

I. Abraham , R. Abraham , M. Bergounioux , Guillaume Carlier

Applied Mathematics and Optimization, 2017, 75 (1), pp.55-73. ⟨10.1007/s00245-015-9323-3⟩

Article dans une revue hal-01065981v3

Local limits of galton-watson trees conditioned on the number of protected nodes

Romain Abraham , Aymen Bouaziz , Jean-François Delmas

Journal of Applied Probability, 2017, 54, pp.55-65

Article dans une revue hal-01195701v2

$\beta$-coalescents and stable Galton-Watson trees

Romain Abraham , Jean-François Delmas

ALEA : Latin American Journal of Probability and Mathematical Statistics, 2015, 12, pp.451-476

Article dans une revue hal-00805322v2

Pruning of CRT-sub-trees

Romain Abraham , Jean-François Delmas , Hui He

Stochastic Processes and their Applications, 2015, 125, pp.1569-1604

Article dans une revue hal-00763707v1

Local limits of conditioned Galton-Watson trees: the infinite spine case.

Romain Abraham , Jean-François Delmas

Electronic Journal of Probability, 2014, 19, Article 2, pp 1-19. ⟨10.1214/EJP.v19-2747⟩

Article dans une revue hal-00813145v4

Exit times for an increasing Lévy tree-valued process

Romain Abraham , Jean-François Delmas , Patrick Hoscheit

Probability Theory and Related Fields, 2014, 159 (1-2), pp.357-403. ⟨10.1007/s00440-013-0509-9⟩

Article dans une revue hal-00673870v2

Local limits of conditioned Galton-Watson trees: the condensation case

Romain Abraham , Jean-François Delmas

Electronic Journal of Probability, 2014, 56, Article 56, pp 1-29

Article dans une revue hal-00909604v1

The forest associated with the record process on a Lévy tree

Romain Abraham , Jean-François Delmas

Stochastic Processes and their Applications, 2013, 123, pp.3497-3517

Article dans une revue hal-00686569v2

A construction of a $\beta$-coalescent via the pruning of Binary Trees

Romain Abraham , Jean-François Delmas

Journal of Applied Probability, 2013, 50 (3), pp.772-790

Article dans une revue hal-00711518v2

A note on Gromov-Hausdorff-Prokhorov distance between (locally) compact measure spaces

Romain Abraham , Jean-François Delmas , Patrick Hoscheit

Electronic Journal of Probability, 2013, 18, pp.14. ⟨10.1214/EJP.v18-2116⟩

Article dans une revue hal-00673921v1

Record process on the Continuum Random Tree

Romain Abraham , Jean-François Delmas

ALEA : Latin American Journal of Probability and Mathematical Statistics, 2013, 10, pp.251

Article dans une revue hal-00609467v3

A continuum-tree-valued Markov process

Romain Abraham , Jean-François Delmas

The Annals of Probability, 2012, 40 (3), pp.1167-1211. ⟨10.1214/11-AOP644⟩

Article dans une revue hal-00379118v3

Pruning Galton-Watson Trees and Tree-valued Markov Processes

Romain Abraham , Jean-François Delmas , Hui He

Annales de l'Institut Henri Poincaré (B) Probabilités et Statistiques, 2012, 48 (3), pp.688-705. ⟨10.1214/11-AIHP423⟩

Article dans une revue hal-00497035v2

Pruning a Lévy continuum random tree

Romain Abraham , Jean-François Delmas , Guillaume Voisin

Electronic Journal of Probability, 2010, 15, pp.1429-1473

Article dans une revue hal-00270803v3

Changing the branching mechanism of a continuous state branching process using immigration

Romain Abraham , Jean-François Delmas

Annales de l'Institut Henri Poincaré (B) Probabilités et Statistiques, 2009, 45 (1), pp.226-238. ⟨10.1214/07-AIHP165⟩

Article dans une revue hal-00096275v2

A penalization approach for tomographic reconstruction of binary axially symmetric objects

Romain Abraham , Maïtine Bergounioux , Emmanuel Trélat

Applied Mathematics and Optimization, 2008, 58 (3), pp.345-371. ⟨10.1007/s00245-008-9039-8⟩

Article dans une revue istex hal-00139494v2

Fragmentation associated with Levy processes using snake

Romain Abraham , Jean-François Delmas

Probability Theory and Related Fields, 2008, 141, pp.113-154. ⟨10.1007/s00440-007-0081-2⟩

Article dans une revue hal-00014673v2

Williams' decomposition of the Lévy continuous random tree and simultaneous extinction probability for populations with neutral mutations

Romain Abraham , Jean-François Delmas

Stochastic Processes and their Applications, 2008, 119, pp.1124-1143

Article dans une revue hal-00141154v2

Asymptotics for the small fragments of the fragmentation at nodes

Romain Abraham , Jean-François Delmas

Bernoulli, 2007, 13 (1), pp.211-228. ⟨10.3150/07-BEJ6045⟩

Article dans une revue hal-00020262v1

Feller property and infinitesimal generator of the exploration process

Romain Abraham , Jean-François Delmas

Journal of Theoretical Probability, 2007, 20, pp.355-370. ⟨10.1007/s10959-007-0082-1⟩

Article dans une revue hal-00015553v1

Significant edges in the case of a non-stationary Gaussian noise

Isabelle Abraham , Romain Abraham , Agnes Desolneux , Sebastien Li-Thiao-Te

Pattern Recognition, 2007, 40, pp.3277-3291. ⟨10.1016/j.patcog.2007.02.015⟩

Article dans une revue hal-00079148v2

Strong convergence for urn models with reducible replacement policy

Romain Abraham , Jean-Stephane Dhersin , Bernard Ycart

Journal of Applied Probability, 2007, 44 (3), pp.652-660. ⟨10.1239/jap/1189717535⟩

Article dans une revue hal-00087017v1

Forward-backward stochastic differential equations and PDE with gradient dependent second order coefficients

Romain Abraham , Olivier Rivière

ESAIM: Probability and Statistics, 2006, 10, pp.184-205

Article dans une revue hal-00008569v1

Solutions of $\Delta u=4 u^2$ with Neumann's conditions using the Brownian snake

Romain Abraham , Jean-François Delmas

Probability Theory and Related Fields, 2004, 128, pp.475-516

Article dans une revue hal-00022232v1

Solutions of $\Delta u=4 u2$ with Neumann's conditions using the Brownian snake

Romain Abraham , J.-F. Delmas

Probability Theory and Related Fields, 2004, pp.475 - 516

Article dans une revue hal-00170684v1

Poisson snake and fragmentation

Romain Abraham , J.-F. Delmas

Electronic Journal of Probability, 2002, 7, pp.1

Article dans une revue hal-00170693v1

Representations of the Brownian snake with drift

Romain Abraham , Laurent Serlet

Stochastic and Stochastics Reports, 2002, 73, pp.287-308

Article dans une revue hal-00022234v1

Some properties of the exit measure for super-Brownian motion

Romain Abraham , J.-F. Delmas

Probability Theory and Related Fields, 2002, 122, pp.71-107

Article dans une revue hal-00170696v1

Some properties of the exit measure for super-Brownian motion

Romain Abraham , Jean-François Delmas

Probability Theory and Related Fields, 2002, 122, pp.71-107

Article dans une revue hal-00022236v1

Representations of the Brownian snake with drift

Romain Abraham , Laurent Serlet

Stochastics and Stochastics Reports, 2002, 73, pp.287-308

Article dans une revue hal-00170691v1

Coupling some conditioned Lévy trees with the Kesten tree

Romain Abraham , Jean-François Delmas

2026

Pré-publication, Document de travail hal-05676642v1

Local limits of conditioned marked Galton Watson trees

Romain Abraham , Sonia Boulal , Pierre Debs

2025

Pré-publication, Document de travail hal-05267386v1

Depth Separable architecture for Sentinel-5P Super-Resolution

Hyam Omar Ali , Romain Abraham , Bruno Galerne

2025

Pré-publication, Document de travail hal-04917176v1

Site Frequency Spectrum in stationary branching populations

Romain Abraham , Jean-François Delmas , Patrick Hoscheit

2026

Pré-publication, Document de travail hal-05156848v3

CONDITIONING (SUB)CRITICAL LÉVY TREES BY THEIR MAXIMAL DEGREE: DECOMPOSITION AND LOCAL LIMIT

Romain Abraham , Jean-François Delmas , Michel Nassif

2022

Pré-publication, Document de travail hal-03838037v1

Radiomics Model for Mycetoma Grains Classification from Histopathological Microscopic Images Using Partial Least Squares Discriminant Analysis (PLS-DA)

Hyam Omar Ali , Romain Abraham , Guillaume Desoubeaux , Ahmed H Fahal , Clovis Tauber

2021

Pré-publication, Document de travail hal-03247688v1

An introduction to Galton-Watson trees and their local limits

Romain Abraham , Jean-François Delmas

2015

Pré-publication, Document de travail hal-01164661v3

A variational method for tomographic reconstruction with few views

Isabelle Abraham , Romain Abraham , Maïtine Bergounioux

2012

Pré-publication, Document de travail hal-00697218v2

An active curve approach for tomographic reconstruction of binary radially symmetric objects

Isabelle Abraham , Romain Abraham , Maitine Bergounioux

ENUMATH, 2007, Graz, Austria. pp.663-670

Communication dans un congrès hal-00084855v1

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