In the second half of 2003 I had a sabbatical research leave. Here are some pictures: a) CDMTCS'03 in Dijon, b) in Auckland with Mr Carlos Appelgren (the Amabssador of Chile in NZ), Mrs. Bernardita Valenzuela Cox de Appelgren and Lady Ximena Owens, c) in Chile, d) Typhoon in Hong Kong, e) Short stop in Dubai, f) Beautiful Jeddah, g) Tarragona, h) Metz, i) Serbia, j) Madrid, k) Halle, l) Leipzig, m) Kaiteriteri Beach (Abel Tasman).

In September 2004 I participated at MCU'04 in S. Petersburg. Here are some MCU'04 pictures.

In January 2005 I have participated to the inauguration of the Valparaiso Institute of Complex Systems; here are some pictures. Two pictures with John Conway in Auckland (January 2005). With Daniele Mundici at the Workshop on Natural Processes and Models of Computation in Bologna (Elena's pictures). With Elena, Dan and Lucia in Predeal-Sinaia, Romania. 2005 pictures from Bologna and Rome. Picture at the University of Rome "La Sapienza", "Instituto Matematico Guido Castelnuovo". With Evi and Ludwig in Rarotonga. With Luv Grover in Seville (October 2005). With Solomon Marcus in Bucharest (October 2005) and the Complexity Group (Petrus Potgieter, George Davie, Wilem Fouche) in Pretoria (December 2005). In South Africa.

Black Sea Frozen in January 2006: 1, 2. With my students Nick Hay, Shane Legg and Marius Zimand in Dagstuhl (February 2006). Muenchenwiler Castle near Fribourg. Turkey: Istanbul, Aya Sofia, With Ray Solomonoff. With Cunsheng Ding near Hong Kong. At York and Sorbonne. Goedel's house in Brno. Gorbachov's chair in Halle.

2007: With Elena at the Botanic Gardens. South Island West Coast pictures. Wanaka panorama. In Shanghai. Gold Coast (Brisbane), Congress of Romanian Mathematicians, Bucharest, NKS07, Burlington, US, Math Contest at CNVA, Galati, I. Tomescu 65th Birthday Celebration, Institute of Mathematics, Bucharest, Vienna Book Presentation, Chaitin 60th Birthday Celebration, IBM, New York, Norfolk Island.

2008: Charlottetown, Canada, Trento and Lake Garda, Italy, Hong Kong, Vienna, Paris, Wuerzburg, Germany, Midwest NKS'08, Bloomington, IN.

2009: UK (Cambridge, Reading, Windsor, Eton), pictures by Andreea and me, NZ North and Far North, Turku, Finland, Marseille (CIRM) and Paris (ENS), Bucharest, Romania, ICTAM09, Alba Iulia, Romania, UC'09, Ponta Delgada, Azores, Portugal.

2010: Notre Dame University, USA, UC2010, Tokyo, Japan, Lisbon and Cascais, Portugal, CiE2010, Ponta Delgada, Azores, Portugal, DCM2010, Edinburgh, UK, Singapore, Kingston, Canada, London, Canada, Bucharest, Romania, Curtea de Arges, Romania, Egypt: Cairo, Cruiser Amarante, Luxor, Aswan, Philae, High Dam on Nile, Kom Ombo, Hatshepsut, Vienna, Halle and Leipzig, Oxford, Leeds.

2011: Australia: Canberra, Newcastle, Znojmo, Czech Republic, Turku, Finland, Romania: Galati, Bucharest, UK: Oxford , Bath, Windsor & Eton , Twyford , Henley on Thames, London , Paris: Débat à ENS, Deux maisons, Flâner sur les grands boulevards, Cimetière Montparnasse, Valparaiso, Chile.

2012: UK: Bletchley Park, Chicheley Hall, Cambridge, France: Paris, Orleans.

2013: Tokyo, Japan, Bologna, Italy, Riga, Latvia, Bucharest, Romania, Bonn, Germany, Paris, France.

2013: Arto 80, Turku, Finland, Noosa Heads, Australia, Paris, France, Bucharest, Romania, Kyoto, Japan, and sweet Auckland.

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