abu al-al?’ al-ma’arri has presented his specific thought and viewpoint in arabic classical literature. he lived at the time when arabic literature was at its zenith of richness and maturity. this literary and thinking figure has affected the literary men after him in differing ways. contemporary poets, relying on his literature, have promoted their own literary innovations, and thereby have en...

Sergio Raposeiras-Roubı́n, MD,* Emad Abu-Assi, MD,* Pilar Cabanas-Grandı́o, MD,* Rosa Marı́a Agra-Bermejo, MD,* Santiago Gestal-Romarı́, MD,* Eva Pereira-López, MD,* Rubén Fandiño-Vaquero, MD,* Belén Álvarez-Álvarez, PHD,* Cristina Cambeiro, PHD,* arta Rodrı́guez-Cordero, MD,† Pamela Lear, PHD,* Amparo Martı́nez-Monzonı́s, MD, PHD,* arlos Peña-Gil, MD,‡ José Marı́a Garcı́a-Acuña, MD, PHD,* José Ramón Go...

We give a construction of r-partite r-uniform intersecting hypergraphs with cover number at least r − 4 for all but finitely many r. This answers a question of Abu-Khazneh, Barát, Pokrovskiy and Szabó, and shows that a long-standing unsolved conjecture due to Ryser is close to being best possible for every value of r.

for Invited Talk at the First Annual Energy 2030 Conference, Abu Dhabi, UAE, November 1-2, 2006 1 Opportunities and Perspectives for Plastics in Coming Fossil Fuel and Solar Energy Scenarios Reinhold W. Lang 1, 2 1 Institute of Materials Science and Testing of Plastics, University of Leoben 2 Polymer Competence Center Leoben GmbH Franz-Josef-Straße 18, A-8700 Leoben, Austria [email protected]