• PL 68 (Pietari Kalmin katu 5)

    00014

    Finland

1997 …2025
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Publications 1997 2019

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1997

The impedance imaging problem as a low-frequency limit

Lassas, M., 1997, In : Inverse Problems. 13, 6, p. 1503-1518 16 p.

Research output: Contribution to journalArticleScientificpeer-review

The multidimensional Gel'fand inverse problem for non-self-adjoint operators

Kurylev, Y. V. & Lassas, M., 1997, In : Inverse Problems. 13, 6, p. 1495-1501 7 p.

Research output: Contribution to journalArticleScientificpeer-review

1998

Inverse boundary spectral problem for non-selfadjoint Maxwell's equations with incomplete data

Lassas, M., 1998, In : Communications in Partial Differential Equations. 23, 3-4, p. 629-648 20 p.

Research output: Contribution to journalArticleScientificpeer-review

On the existence and convergence of the solution of PML equations

Lassas, M. & Somersalo, E., 1998, In : Computing. 60, 3, p. 229-241 13 p.

Research output: Contribution to journalArticleScientificpeer-review

The Abel-Lidski\ui basis property in a nonselfadjoint inverse problem

Kurylev, Y. V. & Lassas, M., 1998, In : Zapiski Naučnyh Seminaro S.-Peterburg. Otdel. Mat. Inst. Steklov. (POMI). 250, Mat. Vopr. Teor. Rasprostr. Voln. 27, p. 161-190

Research output: Contribution to journalArticleScientificpeer-review

The essential spectrum of the nonself-adjoint Maxwell operator in a bounded domain

Lassas, M., 1998, In : Australian Journal of Mathematical Analysis and Applications. 224, 2, p. 201-217 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Uniqueness for a wave propagation inverse problem in a half-space

Lassas, M., Cheney, M. & Uhlmann, G., 1998, In : Inverse Problems. 14, 3, p. 679-684 6 p.

Research output: Contribution to journalArticleScientificpeer-review

1999

The inverse boundary spectral problem for a hyperbolic equation with first order perturbation

Lassas, M., 1999, In : Applicable Analysis. 70, 3-4, p. 219-231 13 p.

Research output: Contribution to journalArticleScientificpeer-review

2000

Gel'fand inverse problem for a quadratic operator pencil

Kurylev, Y. & Lassas, M., 2000, In : Journal of Functional Analysis. 176, 2, p. 247-263 17 p.

Research output: Contribution to journalArticleScientificpeer-review

2001

Analysis of the PML equations in general convex geometry

Lassas, M. & Somersalo, E., 2001, In : Proceedings of the Royal Society of Edinburgh. Section A, Mathematics. 131, p. 1183-1207 25 p.

Research output: Contribution to journalArticleScientificpeer-review

Complex riemannian metric and absorbing boundary conditions

Lassas, M., Liukkonen, J. & Somersalo, E., 2001, In : Journal de Mathematiques Pures et Appliquées. 80, 7, p. 739-768 30 p.

Research output: Contribution to journalArticleScientificpeer-review

On determining a Riemannian manifold from the Dirichlet-to-Neumann map

Lassas, M. & Uhlmann, G., 2001, In : Annales Scientifiques de l'Ecole Normale Superieure. 34, 5, p. 771-787 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Optimal acoustic measurements

Cheney, M., Isaacson, D. & Lassas, M., 2001, In : SIAM Journal on Applied Mathematics. 61, 5, p. 1628-1647 20 p.

Research output: Contribution to journalArticleScientificpeer-review

2002

Hyperbolic inverse boundary-value problem and time-continuation of the non-stationary Dirichlet-to-Neumann map

Kurylev, Y. & Lassas, M., 2002, In : Proceedings of the Royal Society of Edinburgh. Section A, Mathematics. 132, 4, p. 931-949 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Wind velocity observation with a CW Doppler radar

Lassas, M., Mataich, M., Siltanen, S. & Somersalo, E., 2002, In : IEEE Transactions on Geoscience and Remote Sensing. 40, 11, p. 2427-2437 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2003

Metric tensor estimates, geometric convergence, and inverse boundary problems

Anderson, M., Katsuda, A., Kurylev, Y., Lassas, M. & Taylor, M., 2003, In : Electronic Research Announcements of the American Mathematical Society. 9, p. 69-79 11 p.

Research output: Contribution to journalArticleScientificpeer-review

On nonuniqueness for Calderon's inverse problem

Greenleaf, A., Lassas, M. & Uhlmann, G., 2003, In : Mathematical Research Letters. 10, 5-6, p. 685-693 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Semiglobal boundary rigidity for Riemannian metrics

Lassas, M., Sharafutdinov, V. & Uhlmann, G., 2003, In : Mathematische Annalen. 325, 4, p. 767-793 27 p.

Research output: Contribution to journalArticleScientificpeer-review

Statistical inversion for medical x-ray tomography with few radiographs: I. General theory

Siltanen, S., Kolehmainen, V., Järvenpää, S., Kaipio, J. P., Koistinen, P., Lassas, M., Pirttilä, J. & Somersalo, E., 2003, In : Physics in Medicine and Biology. 48, 10, p. 1465-1490 26 p.

Research output: Contribution to journalArticleScientificpeer-review

Statistical inversion for medical x-ray tomography with few radiographs: II. Application to dental radiology

Kolehmainen, V., Siltanen, S., Järvenpää, S., Kaipio, J. P., Koistinen, P., Lassas, M., Pirttilä, J. & Somersalo, E., 2003, In : Physics in Medicine and Biology. 48, 10, p. 1465-1490 26 p.

Research output: Contribution to journalArticleScientificpeer-review

The Calderon problem for conormal potentials I: Global uniqueness and reconstruction

Greenleaf, A., Lassas, M. & Uhlmann, G., 2003, In : Communications on Pure and Applied Mathematics. 56, 3, p. 328-352 25 p.

Research output: Contribution to journalArticleScientificpeer-review

The Dirichlet-to-Neumann map for complete Riemannian manifolds with boundary

Lassas, M., Taylor, M. & Uhlmann, G., 2003, In : Communications in Analysis and Geometry. 11, 2, p. 207-221 15 p.

Research output: Contribution to journalArticleScientificpeer-review

2004

Boundary regularity for the Ricci equation, geometric convergence, and Gel-fand's inverse boundary problem

Anderson, M., Katsuda, A., Kurylev, Y., Lassas, M. & Taylor, M., 2004, In : Inventiones Mathematicae. 158, 2, p. 261-321 61 p.

Research output: Contribution to journalArticleScientificpeer-review

Can one use total variation prior for edge-preserving Bayesian inversion?

Lassas, M. & Siltanen, S., 2004, In : Inverse Problems. 20, 5, p. 1537-1563 27 p.

Research output: Contribution to journalArticleScientificpeer-review

Equivalence of time-domain inverse problems and boundary spectral problems

Katchalov, A., Kurylev, Y., Lassas, M. & Mandache, N., 2004, In : Inverse Problems. 20, 2, p. 419-436 18 p.

Research output: Contribution to journalArticleScientificpeer-review

2005

Calderon's inverse problem for anisotropic conductivity in the plane

Astala, K., Päivärinta, L. & Lassas, M., 2005, In : Communications in Partial Differential Equations. 30, 1-2, p. 207-224 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Multidimensional Borg-Levinson theorem

Kurylev, Y., Lassas, M. & Weder, R., 2005, In : Inverse Problems. 21, 5, p. 1685-1696 12 p.

Research output: Contribution to journalArticleScientificpeer-review

The inverse conductivity problem with an imperfectly known boundary

Kolehmainen, V., Lassas, M. & Ola, P., 2005, In : SIAM Journal on Applied Mathematics. 66, 2, p. 365-383 19 p.

Research output: Contribution to journalArticleScientificpeer-review

2006

D-bar method for electrical impedance tomography with discontinuous conductivities

Knudsen, K., Lassas, M., Mueller, J. L. & Siltanen, S., 2006, In : SIAM Journal on Applied Mathematics. 67, 3, p. 893-913 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Maxwell's equations with a polarization independent wave velocity: Direct and inverse problems

Kurylev, Y., Lassas, M. & Somersalo, E., 2006, In : Journal de Mathematiques Pures et Appliquées. 86, 3, p. 237-270 34 p.

Research output: Contribution to journalArticleScientificpeer-review

Multidimensional Gel'fand Inverse Boundary Spectral Problem: Uniqueness and Stability

Kurylev, Y. & Lassas, M., 2006, In : Cubo. 8, 1, p. 41-59 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Parallelized Bayesian inversion for three-dimensional dental X-ray imaging

Kolehmainen, V., Vanne, A., Siltanen, M. S., Jarvenpaa, S., Kaipio, J. P., Lassas, M. & Kalke, M., 2006, In : IEEE Transactions on Medical Imaging. 25, p. 218-228 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Wavelet-based reconstruction for limited-angle X-ray tomography

Rantala, M., Vänskä, S., Järvenpää, S., Kalke, M., Lassas, M., Moberg, J. & Siltanen, S., 2006, In : IEEE Transactions on Medical Imaging. 25, 2, p. 210-217 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2007

Bayesian Inversion Method for 3-D Dental X-ray Imaging

Kolehmainen, V., Vanne, A., Siltanen, M. S., Jarvenpaa, S., Kaipio, J., Lassas, M. & Kalke, M., 2007, In : Elektrotechnik und Informationstechnik : Zeitschrift des Österreichischen Verbandes für Elektrotechnik.. 124, p. 248-253 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Bayesian signal restoration and Mumford--Shah functional

Helin, T. J. & Lassas, M. J., 2007, In : Proceedings in Applied Mathematics and Mechanics. 2007, 7, p. 2080013-2080014

Research output: Contribution to journalArticleScientificpeer-review

Electromagnetic wormholes and virtual magnetic monopoles from metamaterials

Greenleaf, A., Kurylev, Y., Lassas, M. & Uhlmann, G., 2007, In : Physical Review Letters. 99, 18, 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Full-wave invisibility of active devices at all frequencies

Greenleaf, A., Kurylev, Y., Lassas, M. & Uhlmann, G., 2007, In : Communications in Mathematical Physics. 275, p. 749-789 41 p.

Research output: Contribution to journalArticleScientificpeer-review

Improvement of cylindrical cloaking with the SHS lining

Greenleaf, A., Kurylev, Y., Lassas, M. & Uhlmann, G., 2007, In : Optics Express. 15, 20, p. 12717-12734

Research output: Contribution to journalArticleScientificpeer-review

Improvement of cylindrical cloaking with the SHS lining

Greenleaf, A., Kurylev, Y., Lassas, M. & Uhlmann, G., 2007, In : Optics Express. 15, p. 12717-12734 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Inverse problems and imaging - two fields with shared goals and methods: Editorial

Päivärinta, L., Lassas, M. & Shen, J. J., 2007, In : Inverse problems and imaging. 1, 1, p. i-iii 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Mapping properties of the nonlinear Fourier transform in dimension two

Lassas, M., Mueller, J. L. & Siltanen, S., 2007, In : Communications in Partial Differential Equations. 32, 4, p. 591-610 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Stability of boundary distance representation and reconstruction of Riemannian manifolds

Katsuda, A., Kurylev, Y. & Lassas, M., 2007, In : Inverse problems and imaging. 1, p. 135-157 23 p.

Research output: Contribution to journalArticleScientificpeer-review

The inverse conductivity problem with an imperfectly known boundary in three dimensions

Kolehmainen, V., Lassas, M. & Ola, P., 2007, In : SIAM Journal on Applied Mathematics. 67, 5, p. 1440-1452 13 p.

Research output: Contribution to journalArticleScientificpeer-review

2008

Approximate Quantum Cloaking and Almost-Trapped States

Greenleaf, A., Kurylev, Y., Lassas, M. & Uhlmann, G., 2008, In : Physical Review Letters. 101, 22, p. 220404 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Electrical impedance tomography problem with inaccurately known boundary and contact impedances

Kolehmainen, V., Lassas, M. & Ola, P., 2008, In : IEEE Transactions on Medical Imaging. 27, 10, p. 1404-1414 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Electromagnetic wormholes via handlebody constructions

Greenleaf, A., Kurylev, Y., Lassas, M. & Uhlmann, G., 2008, In : Communications in Mathematical Physics. 281, 2, p. 369-385 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Inverse scattering problem for a two dimensional random potential

Lassas, M., Päivärinta, L. & Saksman, E., 2008, In : Communications in Mathematical Physics. 279, 3, p. 669-703 35 p.

Research output: Contribution to journalArticleScientificpeer-review

Inverse spectral problems on a closed manifold

Krupchyk, K., Kurylev, Y. & Lassas, M., 2008, In : Journal de Mathematiques Pures et Appliquées. 90, p. 42-59 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Isotropic transformation optics: approximate acoustic and quantum cloaking

Greenleaf, A., Kurylev, Y., Lassas, M. & Uhlmann, G., 2008, In : New Journal of Physics. 10, 28 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Iterative time-reversal control for inverse problems

Bingham, K., Kurylev, Y., Lassas, M. & Siltanen, M. S., 2008, In : Inverse problems and imaging. 2, 1, p. 63-81 19 p.

Research output: Contribution to journalArticleScientificpeer-review