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ray
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Prof. Emeritus Univ. Lorraine

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question
6
Logarithms of matrices in the disk-algebra
May 2, 2016
question
6
A theorem by R.L. Moore
Oct 14, 2022
question
5
connected stable rank
Oct 18, 2015
question
5
sums of zero-free entire functions and its siblings on the disk
Jan 4, 2016
question
5
A question on triangles in the disk
Oct 21, 2019
question
4
Is the disk algebra a complemented subspace of the algebra of bounded analytic functions?
Apr 6, 2019
question
4
A continuous function on the disk without non-tangential limits
Oct 18, 2019
question
4
Curves in the plane and their number of holes
Oct 26, 2022
question
3
Banach algebraic proof of the Borsuk Ulam theorem
Sep 19, 2015
question
3
Some special closed sets in the Bohr compactification of the reals
Sep 16, 2019
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Is there an onboard video of the Soyuz MS 10 launch?