[Vortraege] Vortragsankündigungen KW 4 und Begrüßung der Gäste

Fri Jan 22 16:04:29 CET 2016

Sehr geehrte Fakultätsmitglieder,

anbei die Vortragsankündigungen für die KW. 4, im Anhang finden Sie den 
Text und Attachments auch als PDF Datei.

Gerne begrüßŸen wir unsere Gäste, für die kommende Woche:

M. Gheysens (G. Arzhantseva)
St.  Lisini (E. Mainini)
P. Nurowski (D. The)
J. Gutt (D. The)
G. Manno (D. The)
G. Moreno (D. The)

mit freundlichen Grüßen

Martina Fellner

*Vorträge*

**

*Mittwoch, 27. Jän. 2016, ab 16:15 Uhr, Sky-Lounge (12 OG), 
Oskar-Morgenstern-Platz 1, 1090 Wien*

*Mathematisches Kolloquium*

*Ilse Fischer (Univ. **Wien)**:**“Proof of the DASASM-conjecture”*

**

/_Abstract_//_:_///

/An alternating sign matrix (ASM) is a square matrix in which each entry 
is 0,1 or -1, and along each row and column the nonzero elements 
alternate in sign and have a sum of 1. In the early 1980s, Robbins and 
Rumsey conjectured that the number ofn x nASMs is Π ////. //Proofs of 
this result are not quite as simple as the formula, in fact the first 
proof (due to Zeilberger) is 84 pages long. Stanley and Robbins also 
initiated the systematical study of the enumeration of ASMs invariant 
under the action of subgroups of the symmetry group of the square as it 
turned out that many of these symmetry classes are also conjecturally 
enumerated by simple product formulas. The program of proving these 
conjectures was completed by work of Kuperberg, Okada, and Razumov and 
Stroganov in 2006 -- with the exception of diagonally and antidiagonally 
symmetric alternating sign matrices (DASASMs) of odd order. We have 
recently proven this last conjecture and it is the purpose of the talk 
to describe its proof. Important ingredients are the six-vertex model, 
the Yang-Baxter equation, reflection equations and Schur functions. This 
is joint work with Roger Behrend and Matjaz Konvalinka///

//

*15:45 Uhr – 16:15 Uhr K & K (Sky Lounge), anschließend nach dem Vortrag 
vinum cum pane*

//

*Harald Rindler*

**

*Montag, 25. Jän. 2016, ab 14:00 Uhr, AG Graviation, Währingerstr. **17, 
Kavalierstrakt, 1 OG, Victor-Franz-Hess-HS*

*Lunchseminar*

*Bobby Beig (Wien):“A generalization of the concept of mass due to 
Hermann and Humbert”*

*org. by P. Chrusciel, *

*(Details siehe Attachment)*

**

*Dienstag, 26. Jän. 2016, ab 13:00 Uhr, AG Graviation, Währingerstr. 17, 
Kavalierstrakt, 1 OG, Victor-Franz-Hess-HS*

*Lunchseminar*

*Helmuth Urbantke (Wien):“Hopfions”*

*org. by P. Chrusciel, *

*(Details siehe Attachment)*

**

*Dienstag, 26. Jän. 2026, von 14:15 bis 15:00 Uhr, SR 12, 2. OG., 
Oskar-Morgenstern-Platz 1, 1090 Wien*

*Mathematical Physics Seminar ***

*Isaac Alvarez Romero (NTNU Trondheim): „Direct and inverse scattering 
problems for multi-channel, with different decay at infinity”*

*organized by G. Teschl, O. Kostenko*

*http://www.mat.univie.ac.at/~gerald/mp-sem/index.html* 
<http://www.mat.univie.ac.at/%7Egerald/mp-sem/index.html>**

**

*Dienstag, 26. Jän. 2016, von 15:00 Uhr bis 17:00 Uhr, SR 8, 2. OG., 
Oskar-Morgenstern-Platz 1, 1090 Wien, *

*Geometry and Analysis on Groups *

*Maxime Gheysens (EPF de Lausanne)**:“Amenability as an affine 
fixed-point property in Hilbert spaces."*

*organized by G. Arzhantseva, Ch. Cashen*

*http://www.mat.univie.ac.at/~gagt/abstracts/160126.html* 
<http://www.mat.univie.ac.at/%7Egagt/abstracts/160126.html>**

**

**

**

**

*Dienstag, 26. Jän. 2016, ab 15:00 Uhr, SR Biomathematik, 9 OG, 
Oskar-Morgenstern-Platz 1, 1090 Wien*

*AG Biomathematik*

*Markus Dablander (Univ. **Wien)**:”An introduction to the evolutionary 
dynamics of cancer*

*http://homepage.univie.ac.at/Reinhard.Buerger/AGBio.html*

**

*Dienstag, 26. Jän. 2016**, von 15:15 Uhr bis 16:45, TU-Wien, 
Dissertantenraum, Freihaus, Turm A, 8. Stk. Wiedner Hauptstr. 8-10, 1040 
Wien*

*AG Diskrete Mathematik ***

*Lukas Spiegelhofer (TU Wien): “Divisibility of binomial coefficients by 
power of two**”*

*organized by M. Drmota*

*http://dmg.tuwien.ac.at/nfn/agdm.html***

**

*Mittwoch, 27. Jän. 2016 und*

*Freitag, 29. Jän. 2016 von 10:00 Uhr bis 12:00 Uhr, **ESI, Boltzman 
Leture Hall, Boltzmanngasse 9/2, 1090 Wien,*

*Programme on „Measured Group Theory”*

*Mini Course***

*“On the Graham Higman group”L. Glebsky (U Autonoma de San Luis Potosi, 
Mexico)*

*org. by M. Abert (Hung. Acad. of Sciences), G. Arzhantseva (U Vienna), 
D. Gaboriau (ENS Lyon), Th. **Schicck (U Göttingen), A. Thom (TU Dresden)*

*(Details siehe Attachment)*

**

*Mittwoch, 27. Jän. 2016, von 11:30 Uhr bis 12:30 Uhr, SR 7, 2 OG, 
Oskar-Morgenstern-Platz 1, 1090 Wien*

*NuHAG Seminar*

*Michael Speckbacher (Acoustics Research Inst. – Austrian Acad. **Of 
Science):“Signal Recovery and the Large Sieve’’*

*http://www.univie.ac.at/nuhag-php/program/talks_details.php?id=3060***

**

*Donnerstag, 28. Jän. 2016, ab 10:00 Uhr, **ESI, Boltzman Leture Hall, 
Boltzmanngasse 9/2, 1090 Wien,*

*ESI - Seminar*

*Yuri Neretin (Univ. Wien): „Groups of hierarchomorphisms of tree and 
related Hilbert spaces“*

*org. by G. Arzhantsev*

*(Details siehe Attachement)*

-- 
Martina Fellner
Sicherheitsvertrauensperson
Organisationsassistentin
Sekretariat Fakultät für Mathematik
10. Stock, Zimmer 10.140
Oskar-Morgenstern-Platz 1
1090 Wien
Tel.: 43 (1) 427750602

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