Acknowledgements It is a pleasure to thank Jan Ambjrn for always inspiring and stimulating supervision and collaboration. I am also grateful for the valuable and fruitful collaboration that I have had with Jerzy Jurkiewicz and Yuri Makeenko as well as Zdzisek Burda and Leonid Chekhov. Finally the positive atmosphere and the support that I have experienced in the high energy theory group at NBI ...

For the first time long broadband chirped fiber Bragg gratings with a dispersion profile designed to compensate 3rd order-dispersion are presented. These results demonstrate how the increased demands for dispersion compensation at very high bit-rates can be met using chirped fiber Bragg gratings. LONG CONTINUOUSLY CHIRPED FIBER BRAGG GRATINGS FOR COMPENSATION OF LINEAR AND 3rd ORDER DISPERSION ...

The present article covers the results of comparative analysis short story "Boys" by A. Chekhov and "The Two Captains" V. Kaverin whose protagonists both go same symbolic name Montigomo Hawk Pounce. Similar treaits in images Chechevitsyn Sanya Grigoriyev are singled out, similar for two works motifs escaping reading highlighted, quotational allusions located....