All Years Seminars
[INMA] 2007-05-10 (16.30) : Colloquium CESAME/MAPA "Non linear problems involving integral diffusions"
At Auditoire Ch.-J de La Vallée Poussin (cycl 01)
Speaker :
Luis Caffarelli
(Austin)
Abstract :
[INMA] 2007-05-08 (14.00) : Identifying novel therapies for breast cancer using Independent Component Analysis
At Auditoire Euler
Speaker :
Andrew Teschendorff
(Cambridge University Hospitals
)
Abstract :
Most standard methods for analysing tumour-derived gene expression
data do not attempt to explicitly infer the altered biological processes underlying
cancer. By viewing gene expression as a blind source separation (BSS) problem we
can characterise the inferred biological processes in terms of aberrations in functional
pathways and transcriptional programs. Using Independent Component Analysis (ICA)
to perform BSS , we show that ICA significantly outperforms other linear decomposition techniques.
We describe the application of ICA in a meta-analysis of breast cancer, leading to novel associations
between biological pathways, regulatory modules and breast cancer phenotypes.
[INMA] 2007-05-02 (14.00) : Recent progress in matrix eigenvalue problems
At Euler building - local A.207
Speaker :
Hochstenbach, Michiel E.
Abstract :
In this talk we will review several challenges in the topic
of matrix eigenvalue problems as well as possible numerical approaches.
Some keywords are: rightmost eigenvalues, dominant poles,
generalized eigenvalue problems, Jacobi-Davidson.
[INMA] 2007-04-24 (14.00) : Representations of reach space in parietal damaged patients.
At Auditoire Euler
Speaker :
Khan, Aarlenne Z.
Abstract :
Reaching a viewed object with the hand requires a
transformation between the object's location (represented
relative to gaze the line of sight) and the motor command
(represented relative to the shoulder). This representation
has to be updated whenever gaze moves. In addition, the
hand position must be compared to the objects location to
produce an accurate movement. I studied visually-guided
reaching in patients with damage to the posterior parietal
cortex and in intact subjects to gain insight into the role
of the parietal cortex in the above processes. I will show
that the parietal cortex is essential in the visuomotor
transformation particularly with rapid movements and in
the comparison between hand and target location, but is not
necessary for updating target locations due to changes in
gaze.
[INMA] 2007-04-20 (16.15pm) : Discrétisations discontinues
At Salle séminaire TERM, Bâtiment Stevin
Speaker :
Vincent Legat (CESAME)
Abstract :
Seminars
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