| Conference
"Real Algebra, Geometry and Convexity" in Leipzig |
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| Date and Location: February 14-18, 2011 Mathematisches Institut Universität Leipzig Johannisgasse 22 04103 Leipzig Germany All lectures will take place in the Felix-Klein lecture hall on the first floor of the Mathematical Institute. |
Organizers: Tim Netzer, Konrad Schmüdgen, Andreas Thom and Konstanzer Forschungsgruppe "Real Algebraic Geometry" If you are interested to participate or give a talk, please contact us. There is a limited possibility for reimbursement of travel expenses. Please contact us in case you need travel support. Contact: ragc_2...@math.uni-leipzig.de NEW: Abstracts and additional information |
Confirmed Speakers: Ulrich Brehm (Dresden) Salma Kuhlmann (Konstanz) Jean Lasserre (Toulouse) Horst Martini (Chemnitz) Alexander Prestel (Konstanz) Claus Scheiderer (Konstanz) Markus Schweighofer (Konstanz) Victor Vinnikov (Beer-Sheva) |
Confirmed Participants: Gennadiy Averkov (Magdeburg) Sabine Burgdorf (Konstanz) Jaka Cimpric (Ljubljana) Michael Dritschel (Newcastle) David Dubray (Leipzig) Katharina Dupont (Konstanz) Mehdi Ghasemi (Saskatoon) Charu Goel (Konstanz) Christoph Hanselka (Konstanz) Matthias Henze (Magdeburg) Aaron Kunert (Konstanz) Maria Michalska (Savoie) Daniel Plaumann (Konstanz) Cordian B. Riener (Frankfurt) Yurii Savchuk (Leipzig) Peter Schlicht (Leipzig) Rainer Sinn (Konstanz) Margarita Spirova (Chemnitz) Abel Stolz (Leipzig) Carsten Thiel (Magdeburg) Konrad Zimmermann (Leipzig) |
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| Programme: | Monday | Tuesday | Wednesday | Thursday | Friday |
| 09.30 - 10.30 | Claus Scheiderer (Konstanz): Sums of hermitian squares on pseudoconvex boundaries |
Gennadiy Averkov (Magdeburg): Lattice-free sets: finiteness and classification results |
Salma Kuhlmann (Konstanz): The moment problem for continuous positive semi-definite linear functionals |
Michael Dritschel (Newcastle): Noncommutative analogues of the Fejer-Riesz Theorem |
Cordian Riener (Frankfurt): Symmetric sums of squares in degree four |
| 10.30 - 11.00 | tea/coffee | tea/coffee | tea/coffee | tea/coffee | tea/coffee |
| 11.00 - 12.00 | Sabine Burgdorf (Konstanz): Trace-positive polynomials and the tracial moment problem |
Horst Martini (Chemnitz): On the geometry of finite dimensional real Banach spaces |
Jean Lasserre (Toulouse): A new look at non-negativity on closed sets |
Victor
Vinnikov (Beer-Sheva): Determinantal Representations: Past, Present, and Future |
Jaka Cimpric (Ljublljana): Strict Positivstellensaetze for matrix polynomials |
| 12.00 - 14.00 | lunch | lunch | lunch | lunch | lunch |
| 14.00 - 15.00 | Maria Michalska (Savoie): Stability of algebras of bounded polynomials in two variables |
Ulrich Brehm (Dresden): A Universality Theorem for Realization Spaces of Polyhedral Maps |
Excursion | Daniel Plaumann (Konstanz): Computing linear determinantal representations of plane curves |
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| 15.00 - 15.40 | tea/coffee | tea/coffee | tea/coffee | ||
| 15.40 - 16.20 | Mehdi Ghasemi (Saskatoon): Sums of squares and global optimization |
Margarita Spirova (Chemnitz): Semi-inner-product in normed spaces |
Yurii Savchuk (Leipzig): Positivity, sums of squares and moments problem on the quantum complex plane |
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| 16.20 - 16.30 | break | break | break | ||
| 16.30 - 17.10 | Alexander Prestel (Konstanz): An axiomatization of the complex unit disc |
Carsten Thiel (Magdeburg): Lattice Points in an Adelic Convex Body |
Konrad Zimmermann (Leipzig): Stability of sums of squares in certain non-commutative algebras |
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| 17.10 - 17.20 | break | ||||
| 17.20 - 18.00 | Rainer Sinn (Konstanz): SO(2)-orbitopes | ||||
| 18:00 - 19:00 | Meeting of the members of the Konstanz Research Initiative | ||||
| 19:00 | Conference Dinner in "Thüringer Hof" |