The second international conference on Positivity and its Applications
devoted to professor A.C. Zaanen

The program during July 4 - July 13


Roughly the activities related to the conference are the following:
- a mini-course for PhD-students from Wednesday July 4 till Friday July 6,
- a welcome-reception for the participants of the conference on Sunday July 8, and
- the conference itself during the week Monday July 9 - Friday July 13.




The mini-courses

The mini-courses take place in lecture-room CK N8, which is on the fourth floor of the N2-wing of the N-building of the Faculty of Sciences .

Preliminary program of the mini-courses
Wednesday July 4
15:00 - 15:45
16:00 - 16:45 		Ben de Pagter Spectral theory of positive operators I
19:00 - 21:00 Arkady Kitover An introduction to the theory of disjoint preserving operators I
Thursday July 5
10:00 - 12:00 Arkady Kitover An introduction to the theory of disjoint preserving operators II
15:00 - 15:45
16:00 - 16:45 		Ben de Pagter Spectral theory of positive operators II
Friday July 6
10:00 - 12:00 Arkady Kitover An introduction to the theory of disjoint preserving operators III
15:00 - 16:00 Gleb Sirotkin On compact friendly operators




The welcome-reception on Sunday July 8

The welcome reception will be in the Aula of Dekkerswald . We will hire a bus bringing participants accomodated in Catharina (and La Résidence) to the Aula of Dekkerswald late Sunday afternoon.
If you want to go to the Aula of Dekkerswald on your own: take a taxicab, or take a bus from the railway station (follow the instructions for how to get from Nijmegen railway station to De Kentering in the travel info ).

Program of the welcome-reception
14:00 - 16:00 Coffee, tea, snacks
15:00 sandwiches
19:00 - 21:00 Cold/warm buffet, beer, wine, soft-drinks, coffee/tea





The conference


Note that Friday the talks will be in a different lecture-room than the days before.

Monday July 9 The talks will take place in lecture-room 3 (CZ N3)
09:00-9:20 Opening A.C.M. van Rooij and S. Teerenstra
09:20-9:40 On the Luxemburg-Gribanov theorem Martin Väth
09:45-10:15 On the Hahn decomposition theorem for semirings Zafer Ercan
10:15-10:45 Coffee/tea break
10:45-11:30 Positivity in Boolean-valued Analysis Anatoly Kusraev
11:30-12:00 Coffee/tea break
12:00-12:45 Finite coverings with cones and applicationsin game theory and multi-objective programming Stef Tijs
12:45-14:30 Lunch break Lunch in the canteen
14:30-15:20 Some recent progress regarding the inverses of disjointness preserving operators Arkady Kitover
15:20-15:50 Coffee/tea break
15:50-16:20 Extension theorems and the Riesz decomposition property Nicolae and Rodica-Mihaela Danet
16:25-16:55 Remarks on regular Riesz spaces Witold Wnuk
16:55-17:25 Break with soft-drinks
17:25-17:55 Common invariant subspaces for collections of operators Roman Drnovsek
17:55-18:25 A generalization of Lindenstrauss' and Tzafriri's isomorphic characterization of M-spaces and L^p-spaces to include L^p-spaces for 0 < p < 1 Steven Teerenstra
19:00 Aperitif in Heyendaal Mansion ("Kasteeltje")
19:30 Dinner in Heyendaal Mansion ("Kasteeltje") Afterwards participants will be offered transportation to their guest-houses.



Tuesday July 10 The talks will take place in lecture-room 3 (CZ N3)
09:00-09:30 Domination by positive strictly singular operators Julio Flores
09:35-10:05 On compact friendly operators Gleb Sirotkin
10:05-10:35 Coffee/tea break
10:35-11:20 Finitely extendable operators on vector lattices Alexander Veksler
11:20-11:50 Coffee/tea break
11:50-12:20 b-weakly compact operators on a Banach lattice Birol Altin
12:25-12:55 On ideal operators Bahri Turan
12:55-15:00 Lunch break Lunch in the canteen
15:00-15:30 On a certain maximum principle for positive operators Anke Kalauch
15:35-16:05 A characterization of diffuse operators Soslan Tabuev
16:05-16:35 Coffee/tea break
16:35-17:20 The structure of positive projections Ben de Pagter
17:20-17:50 break with soft-drinks
17:50-18:20 Absolute tau-integral operators Koos Grobler
19:00 Aperitif in Heyendaal Mansion ("Kasteeltje")
19:30 Dinner in Heyendaal Mansion ("Kasteeltje") Afterwards participants will be offered transportation to their guest-houses.



Wednesday July 11 The talks will take place in lecture-room 3 (CZ N3)
09:00-9:45 The cardinality of Rademacher systems in Banach lattices with an order-continuous norm Tony Wickstead
09:45-10:00 Coffee/tea break
10:00-12:00 Problem-session in the same lecture-room, with coffee/tea
12:00-13:00 Short lunch Lunch in the canteen
13:00-13:20 Convolution of fuzzy multifunctions and applications Ismat Beg
13:25-13:45 A counterexample of compact operator between two Banach lattices Zili Chen
14:00-19:30 Excursion:
14:00 sharp By bus to Heusden aan de Maas
ca. 15:00 Arrival in Heusden
15:00-16:00 A tour of Heusden by foot
16:00-18:00 A tour of the river Maas by boat Drinks availabe
18:30-19:30 By bus back to Nijmegen
19:30 Dinner in Heyendaal Mansion ("Kasteeltje") Afterwards participants will be offered transportation to their guest-house



Thursday July 12 The talks will take place in lecture-room 3 (CZ N3)
09:00-09:20 Burnside problem for semigroups of positive operators Matjaz Omladic
09:25-09:55 Asymptotic behavior of some positive semi-groups Martin Weber
09:55-10:25 Coffee/tea break
10:25- 11:10 Sunduals of semi-groups of positive operators Wim Luxemburg
11:10-11:40 Coffee/tea break
11:40-12:25 Asymptotic properties of Markov and related semigroups Eduard Emel'yanov
12:25-14:30 Lunch break Lunch in the canteen
14:30-15:00 On the asymptotic behavior of semigroups of positive operators on non-commutative L^1-spaces Manfred Wolff
15:05-15:35 Daugavet type inequalites for operators on L^p Ton Schep
15:35-16:05 Coffee/tea break
16:05-16:35 Conditional expectation operators on rearrangement invariant ideals of L^1: real interpolation between L^infinity and L^1 Alexander Mekler
16:40-17:10 On the principle ideal generated by a positive operator Safak Alpay
17:10-17:40 Break with soft-drinks
17:40-18:10 On positive resolvent values of positive operators Egon Scheffold
18:15-18:45 Strictly singular embeddings Evgueni Semenov
19:00 Aperitif in Heyendaal Mansion ("Kasteeltje")
19:30 Dinner in Heyendaal Mansion ("Kasteeltje") Afterwards participants will be offered transportation to their guest-houses.



Friday July 13 This day the talks will take place in LECTURE-ROOM 1 (CZ N1)
09:00-09:30 Measures of non-compactness of positive operators Vladimir Troitsky
09:35-10:05 The Riesz part of a positive inner product Onno van Gaans
10:05-10:35 Coffee/tea break
10:35-11:20 Riesz spaces in economics and finance Roko Aliprantis
11:20-11:50 Coffee/tea break
11:50-12:35 Non-convexity in an infinite dimensional setting Monique Florenzano
12:35-14:30 Lunch break Lunch in canteen
14:30-15:15 Positivity and the general equilibrium theory of competitive markets Ali Khan
15:15-15:45 Coffee/tea break
15:45-16:15 Geometric and probabilistic aspects of local theory of convex bodies Yoram Gordon
16:20-16:50 Geometry of cones and theory of Banach spaces Yannis Polyrakis
16:50-18:00 No program
18:00 Aperitif in Heyendaal Mansion
18:30 Farewell-dinner in Heyendaal Mansion Afterwards participants will be offered transportation to their guest-houses.