Univ.-Doz. Dr.
Mourad Sini
Senior Fellow
Inverse Problems and Mathematical Imaging
Contact
Email: Mourad.Sini(at)oeaw.ac.at
Telephone: +43 732 2468 5258
Biographical sketch
- Born, April 4th 1973 in Tizi-Ouzou, Algeria
- 1990-1997: Master and Magister of science degrees from University of Algiers and University of Annaba, Algeria.
- 1999-2002: PhD degree from University of Provence, France.
- June 2009: Habilitation degree from University of Linz, JKU, Austria.
FORMER AND CURRENT POSITIONS
- 1997-1999, Assistant Professor at University of Tizi-Ouzou, Algeria
- 2002-2003, Assistant professor at University of Provence, France
- 2003-2005, Fellow of Japan Society for Promotion of Science, University of Hokkaido, Japan
- 2005-2006, Research professor at Yonsei University and Impedance Imaging Research Center, Seoul, Korea
- Since 09/2006, Senior Fellow (tenured in 2011) at RICAM in the group "Inverse problems and mathematical imaging".
Long term visiting positions
- 2014-2015, Professor (Full) at Kuwait University, Kuwait (on leave from RICAM).
- 2020-2021, Distinguished Professor at the Nanjing Center for Applied Mathematics, China. Canceled.
Research Projects
Current funded projects
- "Electromagnetism with Extreme Materials:Modeling, Analysis and Applications". Funded by the Austrian Science Fund, FWF (02/2020 till 01/2024).
- "Mathematical Analysis of Imaging Modalities using Nanoparticles as Contrast Agents". Funded jointly by the Austrian Science Fund, FWF and the upper Austrian state (09/2018 till 08/2022).
Research interests
- Mathematical analysis of partial differential equations related to wave propagation in complex media, inverse problems, mathematical imaging and material sciences.
Publications
Journal Publication (85)
- Senapati, Soumen; Sini, Mourad; Wang, Haibing (2023) RECOVERING BOTH THE WAVE SPEED AND THE SOURCE FUNCTION IN A TIME-DOMAIN WAVE EQUATION BY INJECTING CONTRASTING DROPLETS. DISCRETE CONT DYN-A.
- Sini, Mourad (2023) Comment on 'Revisiting the probe and enclosure methods'. INVERSE PROBL, Bd. 39 (12), S. ARTN 128001.
- Ghandriche, Ahcene; Sini, Mourad (2023) Simultaneous reconstruction of optical and acoustical properties in photoacoustic imaging using plasmonics. Siam Journal of Applied Mathematics, Bd. 83 (4), S. 1738-1765.
- Cao, Xinlin; Sini, Mourad (2023) The effective permittivity and permeability generated by a cluster of moderately contrasting nanoparticles. J DIFFER EQUATIONS, Bd. 367, S. 549-602.
- Cao, Xinlin; Ghandriche, Ahcene; Sini, Mourad (2023) The electromagnetic waves generated by a cluster of nanoparticles with high refractive indices. J LOND MATH SOC.
- Mukherjee, Arpan; Sini, Mourad (2023) ACOUSTIC CAVITATION USING RESONATING MICROBUBBLES: ANALYSIS IN THE TIME-DOMAIN. SIAM J MATH ANAL, Bd. 55 (5), S. 5575-5616.
- Mukherjee, Arpan; Sini, Mourad (2023) HEAT GENERATION USING LORENTZIAN NANOPARTICLES: ESTIMATION VIA TIME-DOMAIN TECHNIQUES*. MULTISCALE MODEL SIM, Bd. 21 (2), S. 542-597.
- Alsenafi, Abdulaziz; Ghandriche, Ahcene; Sini, Mourad (2023) The Foldy-Lax approximation is valid for nearly resonating frequencies. Z ANGEW MATH PHYS, Bd. 74 (1), S. ARTN 11.
- Ghandriche, Ahcene; Sini, Mourad (2022) Photo-acoustic inversion using plasmonic contrast agents: The full Maxwell model. J. Differ. Equ., Bd. 341, S. 1-78.
- A. Ghandriche, M. Sini (2022) An introduction to the mathematics of the imaging modalities using small-scaled contrast agents. Notices of the International Consortium of Chinese Mathematicians, Bd. 10 (1), S. 28-43.
- M. Sini, H. Wang (2022) The Inverse Source Problem for the Wave Equation Revisited: A New Approach. SIAM J. Math. Anal., Bd. 54 (5), S. 5160-5181.
- Challa, Durga prasad; Sini, Mourad (2022) CORRIGENDUM: ON THE JUSTIFICATION OF THE FOLDY-LAX APPROXIMATION FOR THE ACOUSTIC SCATTERING BY SMALL RIGID BODIES OF ARBITRARY SHAPES. Multiscale Model. Simul., Bd. 20 (2), S. 882-892.
- A. Mantile, A. Posilicano, M. Sini (2022) On the origin of Minnaert resonances. J. Math. Pures Appl., Bd. 9 (165), S. 106-147.
- Ghandriche, Ahcene; Sini, Mourad (2022) Mathematical analysis of the photo-acoustic imaging modality using resonating dielectric nano-particles: The 2D TM-model. J. Math. Anal. Appl., Bd. 506 (2), S. ARTN 125658.
- Sini, Mourad; Wang, Haibing; Yao, Qingyun (2021) ANALYSIS OF THE ACOUSTIC WAVES REFLECTED BY A CLUSTER OF SMALL HOLES IN THE TIME-DOMAIN AND THE EQUIVALENT MASS DENSITY. Multiscale Model. Simul., Bd. 19 (2), S. 1083-1114.
- Rondi, Luca; Sincich, Eva; Sini, Mourad (2021) STABLE DETERMINATION OF A RIGID SCATTERER IN ELASTODYNAMICS. SIAM J. Math. Anal., Bd. 53 (2), S. 2660-2689.
- Dabrowski, Alexander; Ghandriche, Ahcene; Sini, Mourad (2021) MATHEMATICAL ANALYSIS OF THE ACOUSTIC IMAGING MODALITY USING BUBBLES AS CONTRAST AGENTS AT NEARLY RESONATING FREQUENCIES. Inverse Probl. Imaging, Bd. 15 (3), S. 555-597.
- Bouzekri, Ali; Sini, Mourad (2021) Mesoscale Approximation of the Electromagnetic Fields. Ann. Henri Poincare.
- Hu, Guanghui; Mantile, Andrea; Sini, Mourad; Yin, Tao (2020) DIRECT AND INVERSE TIME-HARMONIC ELASTIC SCATTERING FROM POINT-LIKE AND EXTENDED OBSTACLES. Inverse Probl. Imaging, Bd. 14 (6), S. 1025-1056.
- Challa, Durga Prasad; Mantile, Andrea; Sini, Mourad (2020) Characterization of the acoustic fields scattered by a cluster of small holes. Asymptotic Anal., Bd. 118 (4), S. 235-268.
- Ammari, Habib; Challa, Durga Prasad; Choudhury, Anupam Pal; Sini, Mourad (2020) THE EQUIVALENT MEDIA GENERATED BY BUBBLES OF HIGH CONTRASTS: VOLUMETRIC METAMATERIALS AND METASURFACES. Multiscale Model. Simul., Bd. 18 (1), S. 240-293.
- Sini, Mourad; Wang, Haibing (2019) Estimation of the heat conducted by a cluster of small cavities and characterization of the equivalent heat conduction. Multiscale Model. Simul., Bd. 17 (4), S. 1214-1251.
- Ammari, Habib; Challa, Durga Prasad; Choudhury, Anupam Pal; Sini, Mourad (2019) The point-interaction approximation for the fields generated by contrasted bubbles at arbitrary fixed frequencies. J. Differ. Equ., Bd. 267 (4), S. 2104-2191.
- Ammari, Habib; Dabrowski, Alexander; Fitzpatrick, Brian; Millien, Pierre; Sini, Mourad (2019) Subwavelength resonant dielectric nanoparticles with high refractive indices. Math. Meth. Appl. Sci., Bd. 42, S. 6567-6579.
- Challa, Durga Prasad; Mouffouk, Fouzi; Sini, Mourad (2019) Estimation of a class of quasi-resonances generated by multiple small particles with high surface impedances. Math. Meth. Appl. Sci., Bd. 42 (10), S. 3568-3578.
- Boyadjiev, Lyubomir; Rashedi, Kamal; Sini, Mourad (2019) Estimation of the time-dependent body force needed to exert on a membrane to reach a desired state at the final time. Comput. Methods Appl. Math., Bd. 19 (2), S. 323–339.
- Bouzekri, Ali; Sini, Mourad (2019) The Foldy-Lax Approximation for the Full Electromagnetic Scattering by Small Conductive Bodies of Arbitrary Shapes. SIAM Journal Multiscale Modeling and Simulations, Bd. 1, S. 1.
- Mantile, Andrea; Posilicano, Andrea; Sini, Mourad (2018) Uniqueness in inverse acoustic scattering with unbounded gradient across Lipschitz surfaces. J. Differ. Equ., Bd. 265 (9), S. 4101-4132.
- Mantile, Andrea; Posilicano, Andrea; Sini, Mourad (2018) Limiting absorption principle, generalized eigenfunctions, and scattering matrix for Laplace operators with boundary conditions on hypersurfaces. J. Spectr. Theory, Bd. 8 (4), S. 1443-1486.
- Challa, Durga Prasad; Choudhury, Anupam Pal; Sini, Mourad (2018) MATHEMATICAL IMAGING USING ELECTRIC OR MAGNETIC NANOPARTICLES AS CONTRAST AGENTS. Inverse Probl. Imaging, Bd. 12 (3), S. 573-605.
- Sini., L. Boyadjiev; K. Rashedi; M. (2018, online: 2017) Estimation of the time-dependent body force needed to exert on a membrane to reach a desired state at the final time. Computational Methods in Applied Mathematics, Bd. 17, S. 533.
- Mantile, A.; Posilicano, A.; Sini, M. (2018) Limiting Absorption Principle, Generalized Eigenfunctions and Scattering Matrix for Laplace Operators with Boundary conditions on Hypersurfaces. Journal of Spectral Theory, Bd. 7, S. pp.
- Mouffouk, F.; Alrefae, T.; Challa, D. P.; Sini, M. (2017) Modeling and simulation of the motion of nanoparticles in cylindrical capillaries allowing particle-to-wall interactions. Math. Meth. Appl. Sci., Bd. 40 (8), S. 3111-3128.
- Sini., F. Mouffouk; T. Alrefae; D. P. Challa; M. (2017, online: 2016) Modeling and simulation of the motion of nanoparticles in cylindrical capillaries allowing particle-to-wall interactions. Mathematical Methods in Applied Sciences, Bd. 40, S. 1050.
- Sini, F. Al-Musallam; D. P. Challa; M. (2016) The equivalent medium for the elastic scattering by many small rigid bodies and applications. IMA Journal of Applied Mathematics, Bd. 81 (6), S. 1020-1050.
- Challa, Durga Prasad; Sini, Mourad (2016) Multiscale analysis of the acoustic scattering by many scatterers of impedance type. Z. Angew. Math. Phys., Bd. 67 (3), S. ARTN 58.
- A. Alsaedi, B. Ahmed, D. P. Challa, M. Kirane, M. Sini (2016, online: 2015) A cluster of many small holes with negative imaginary surface impedances may generate a negative refraction index. Mathematical Methods in Applied Sciences, Bd. 39 (13), S. 3607–3622.
- A. Mantile, A. Posilicano, M. Sini (2016) Self-adjoint elliptic operators with boundary conditions on not closed hypersurfaces. Journal of Differential Equations, Bd. 261 (1), S. 1-55.
- Alsaedi, Ahmed; Alzahrani, Faris; Challa, Durga Prasad; Kirane, Mokhtar; Sini, Mourad (2016) Extraction of the index of refraction by embedding multiple small inclusions. Inverse Probl., Bd. 32 (4), S. ARTN 045004.
- Manas Kar, Mourad Sini (2016, online: 2015) An $H^{s;p}(curl; Omega)$ estimate for the Maxwell system. Mathematische Annalen, Bd. 364, S. 559–587.
- Al-Musallam, Fadhel; Challa, Durga Prasad; Sini, Mourad (2016, online: 2015) Location and size estimation of small rigid bodies using elastic far-fields. Contemp. Math., Bd. 658, S. 33–46.
- Challa, Durga Prasad; Sini, Mourad (2015) The Foldy-Lax approximation of the scattered waves by many small bodies for the Lame system. Math. Nachr., Bd. 288 (16), S. 1834-1872.
- Kamal Rashedi, Mourad Sini (2015) Stable recovery of the time-dependent source term from one measurement for the wave equation. Inverse Problems, Bd. 31 (10), S. 105011.
- Rulin Kuan, Yi-Hsuan Lin, Mourad Sini (2015) The enclosure method for the anisotropic Maxwell system. SIAM J. Math. Anal., Bd. 47 (5), S. 3488–3527.
- Rondi, Luca; Sini, Mourad (2015) Stable Determination of a Scattered Wave from its Far-Field Pattern: The High Frequency Asymptotics. Arch. Ration. Mech. Anal., Bd. 218 (1), S. 1-54.
- Sini, B. Ahmad; D. P. Challa; M. Kirane; M. (2015, online: 2014) The equivalent refraction index for the acoustic scattering by many small obstacles With error estimates. Journal of Mathematical Analysis and Applications, Bd. 424 (1), S. 563-583.
- M. Sini, T. T. Nguyen (2015) Regularized recursive Newton-type methods for inverse scattering problems using multifrequency measurements. ESAIM: M2AN, Bd. 49 (2), S. 459–480.
- Kar, Manas; Sini, Mourad (2015, online: 2014) On the Inverse Elastic Scattering by Interfaces Using One Type of Scattered Waves. Journal of Elasticity, Bd. 118 (1), S. 15-38.
- G. Hu, A. Mantile and M. Sini. (2014) Direct and Inverse Acoustic Scattering by a Collection of Extended and Point-Like Scatterers. Multiscale Modeling & Simulation, Bd. 12 (3), S. 996-1027.
- Kar, Manas; Sini, Mourad (2014) Reconstruction of interfaces from the elastic farfield measurements using CGO solutions. SIAM J. Math. Anal., Bd. 46 (4), S. 2650-2691.
- F. Al-Musallam, A. Boumenir and M. Sini. (2014) Detection of multilayered media in the acoustic waveguide. Journal of Mathematical Analysis and Applications, Bd. 415 (2), S. 846–872.
- Kar, Manas; Sini, Mourad (2014, online: 2013) Reconstructing obstacles by the enclosure method using the far field measurements in one step. Applicable Analysis: An International Journal, Bd. 6, S. 1327-1336.
- Challa, D. P.; HU, G.; Sini, M. (2014) Multiple scattering of electromagnetic waves by finitely many point-like obstacles. Mathematical Models and Methods in Applied Sciences, Bd. 24 (5), S. 863-899.
- Kar, Manas; Sini, Mourad (2014) Reconstruction of interfaces using CGO solutions for the Maxwell equations. Journal of Inverse and Ill-posed Problems, Bd. 22, S. 169-208.
- Challa, D. P.; Sini, M. (2014) On the justification of the Foldy-Lax approximation for the acoustic scattering by small rigid bodies of arbitrary shapes. SIAM Multiscale Modeling and Simulation, Bd. 12 (1), S. 55-108.
- (2013) Elastic scattering by finitely many point-like obstacles. Journa of Mathematical Physics, Bd. 54 (4), S. 1-16.
- G.Hu; M.Sini (2013) Elastic scattering by finitely many point-like obstacles. Journal of Mathematical Physics, Bd. 54 (4), S. 1-16.
- M. SIni, ; Yoshida, K. (2013) Corrigendum: On the reconstruction of interfaces using complex geometrical optics solutions for the acoustic case. Inverse Problems, Bd. 29 (3), S. 1-2.
- N Honda, ; G. Nakamura, ; Sini, M. (2013, online: 2012) Analytic extension and reconstruction of obstacles from few measurements for elliptic second order operators. Mathematische Annalen, Bd. 355 (2), S. 749–773.
- A. Kirsch, ; G. Hu, ; Sini, M. (2013) Some inverse problems arising from elastic scattering by rigid obstacles. Inverse Problems, Bd. 29 (1), S. 1-22.
- Sini, Mourad; Nguyen, Trung Thanh (2012) Inverse acoustic obstacle scattering problems using multifrequency measurements. Inverse Problems and Imaging, Bd. 4, S. 749–773.
- Challa, D. P.; Sini, M. (2012) Inverse scattering by point-like scatterers in the Foldy regime. Inverse Problems, Bd. 28 (12), S. 39.
- Sini, M.; Nakamura, G.; Kim, K. (2012) The Green function of the interior transmission problem and its applications. Inverse Problems and Imaging (IPI), Bd. 6 (3), S. 487-521.
- Nakamura, G.; Honda, N.; Sini, M. (2012) Analytic extention and reconstruction of obstacles from few measurements for elliptic second order operators. Mathematischen Annalen, Bd. 354, S. 1-20.
- Sini, M.; Yoshida, K. (2012) On the reconstruction of interfaces using complex geometrical optics solutions for the acoustic case. Inverse Problems, Bd. 28 (5), S. 22.
- Gintides, D.; Sini, M. (2012) Identification of obstacles using only the pressure parts (or only the shear parts) of the elastic waves. Inverse Problems and Imaging, Bd. 6, S. 1-16.
- Gintides, D.; Sini, M.; Nguyen, T. T. (2012) Detection of point-like scatterers using one type of scattered elastic waves. Journal of Computational and Applied Mathematics, Bd. 236 (8), S. 2137--2145.
- Sini, M. (2011) On uniqueness and reconstruction of rough and complex obstacles from acoustic scattering data. Comput. Methods Appl. Math, Bd. 11 (1), S. 83–104.
- Krutitskii, P.; Liu, J.; Sini, M. (2011) Numerical solution of the scattering problem for acoustic waves by a two-sided crack in 2-dimensional space. J. Comp. Math, Bd. 29 (2), S. 141–166.
- Nguyen, Trung Thanh; Sini, Mourad (2010) Accuracy of the linear sampling method for inverse obstacle scattering: effect of geometrical and physical parameters. Inverse Problems, Bd. 26 (12), S. 125004 (24pp).
- F. Ben Hassen, ; Ivanyshyn, O.; Sini, M. (2010) The 3D acoustic scattering by complex obstacles. The accuracy issue. Inverse Problems, Bd. 26 (10), S. 1-29.
- Cakoni, F.; Nakamura, G.; Sini, M.; Zeev, N. (2010) The identification of a partially coated dielectric from far field measurements. Applicable Analysis, Bd. 89 (1), S. 67-86.
- Liu, J.; Sini, M. (2010) Reconstruction of cracks of different types from far field measurements. Mathematical methods in Applied Sciences, Bd. 33 (8), S. 950–973.
- Potthast, R.; Sini, M. (2010) The No-response Test for the reconstruction of polyhedral objects in electromagnetics. J. Comp. Appl. Math, Bd. 234 (6), S. 1739–1746.
- Nguyen, Trung Thanh; Sini, Mourad (2009) An analysis of the accuracy of the linear sampling method for an acoustic inverse obstacle scattering problem. Inverse Problems, Bd. 26 (1), S. 015010 (29pp).
- Liu, Jijun; Sini, Mourad (2009) On the accuracy of the numerical detection of complex obstacles from far field data using the probe method. SIAM Journal of Scientific Computing, Bd. 31 (4), S. 717-730.
- L. He, S. Kindermann and M. Sini (2009) Reconstruction of shapes and surface impedances using few far field measurements. Journal of Computational physics.
- Sini, Eva Sincich and Mourad (2008) Local stability for soft obstacles by a single measurement. Inverse Problems and Imaging, Bd. 2 (2), S. 301--315.
- C.L. Lin, G. Nakamura, M. Sini (2008) Unique continuation for transversally isotropic dynamical systems and its applications. Journal of Differential Equations, Bd. 245, S. 3008-3024,.
- N. Honda, G. Nakamura, R. Potthast, M. Sini (2008) The no-response approach and its relation to other sampling methods. Annali di Matematica Pura ed Applicata.
- G. Nakamura, M. Sini (2007) Obstacle and boundary determination from scattering data. Siam J. Math. Anal.
- J.J. Liu, J.K. Seo, M. Sini, E.J. Woo (2007) On the convergence of the harmonic $B_z$ algorithm in MREIT. Siam J. Appl. Math.
- J.J. Liu, G. Nakamura, M. Sini (2007) Reconstruction of the shape and surface impedance from acoustic scattering data for arbitrary cylinder. Siam J. Appl. Math.
- A. Morassi, G. Nakamura, K. Shirota, M. Sini (2007) A variational approach for the inverse dynamical problem for connected beams. Europ. Journal. Appl. Math.
- G. Nakamura, R. Potthast, M. Sini (2006) Unification of the probe and singular sources methods for the inverse boundary value problem by the no-response test. Communication in PDE.
Book/Monograph (2)
- Sini, Mourad (2015) Inverse Spectral Problems, 1-D, Theoretical Results. In Reihe: Encyclopedia of Applied and Computational Mathematics, Bd. 2015.
- I. Graham, ; U. Langer, ; J. M. Melenk, ; Sini, M. (2013) Direct and Inverse Problems in Wave Propagation and Applications. In Reihe: Radon Series on Computational and Applied Mathematics, ISBN-10: 3110282232, ISBN-13: 978-3110282238. Aufl.: Walter De Gruyter Inc.
Conference Contribution: Publication in Proceedings (5)
- Sini, Mourad; Nguyen, Trung Thanh (2011) Reconstruction of acoustic obstacles using multifrequency scattering data., Proceedings of the 10th International Conference on Mathematical and Numerical Aspects of Waves (The 10th International Conference on Mathematical and Numerical Aspects of Waves); Vancouver: Pancific Institute for the Mathematical Sciences, S. 477--480.
- Nguyen, Trung Thanh; Sini, Mourad (2010) On the accuracy of the linear sampling method for inverse accoustic obstacle scattering problems. In: Murillo, J.A.; Periago, F. (Hrsg.), Proceedings of the Fifth international conference on inverse problems, control and shape optimization (Fifth international conference on inverse problems, control and shape optimization); Cartagena, S. 261-267.
- Sini, Mourad (2008) Reconstruction of complex obstacles by farfield measurements. In: Uhlmann, G. (Hrsg.) In Reihe: J. Phys.: Conf. Ser.: Institute of Physics.
- Sini, M. (2008) Reconstruction of complex cracks by far field measurements. In: Charalambopolos, Fotiadis, Polyzos. (Hrsg.), Proceedings of the eighth international workshop on mathematical methods in scattering theory and biomedical engineering; Lefkada (Greece): World Scientific, S. 82-89.
- G. Nakamura, R. Potthast, M. Sini (2006) A comparative study between some non-iterative methods for the inverse scattering., Contemporary Mathematics of AMS.
Research Report (2)
- Sini, Mourad; Nguyen, Trung Thanh (2011) Inverse acoustic obstacle scattering problems using multifrequency measurements. Bericht-Nr. 2011-28; RICAM:.
- D., Gintides; M., Sini; T., Nguyen T. (2011) Detection of point-like scatterers using one type of scattered elastic waves. Bericht-Nr. 2011-27; RICAM:.