When writing can change your life, when writing can enrich you by offering much money, why don't you try it? Are you still very confused of where getting the ideas? Do you still have no idea with what you are going to write? Now, you will need reading. A good writer is a good reader at once. You can define how you write depending on what books to read. This theoretical computer science 9th ital...

In this paper we describe in some detail the project Education via Nets currently conducted at the Department of Computer Science at the University of Karlsruhe. The goal of this project is to introduce the support of teaching and learning through multimedia technology. We will in particular address the issue of information systems, visualisation and educational software. A central feature of t...

Squamous cell carcinoma of the gallbladder is rare and constitutes only 0.5-3% of all malignancies of this organ. Most of the reported cases have had a component of adenocarcinoma. We report a 70-year-old man who presented with acute onset right upper quadrant pain. He operated on based on a presumptive diagnosis of acute cholecystitis according to clinical and ultrasonographic findings. Histop...

The idea of dedicating an IMPANGA volume to Friedrich Hirzebruch arose a few years ago. A lot has changed since then. First of all, Friedrich Hirzebruch passed away on May 27, 2012. Following his death many conferences, lectures and articles [2, 4, 3, 22] were dedicated to him. The articles [1, 5, 7, 9] and the video-interview [13] appeared while he was still alive. A book by Winfried Scharlau ...

Let me begin with a personal reminiscence of Lars Ahlfors. My rst contact with him came when he was my undergraduate advisor at Harvard. It was the advisor's job to review and approve the courses that the student had selected. When I entered his ooce and handed him my study card, he looked it over quickly, said \You seem to know what you are doing," and signed the card. This was the only advice...