Bidding adieu

Arnaud Echard: Adieu, ma soeur

D uring cytokinesis, the two daughter cells begin separating from each other through constriction of an actomyosin ring. The cells then remain connected via a narrow cytoplasmic intercellular bridge for several hours while the membrane is remodeled at the fi ssion site. Only then can they part ways. Arnaud Echard wants to know how cytokinesis is achieved and regulated. By leveraging his backgro...

Mandibular Distraction Osteogenesis: Bid adieu to major osteotomies - A Review

Majority of surgical experience with distraction technology has been in orthopaedics. Early results indicate the process to be equally effective in facial skeletal reconstruction. Distraction osteogenesis has proven to be a major advance for the treatment of several congenital and acquired mandibular deformities. A review of the literature dealing with distraction osteogenesis (DO) of the mandi...

Smalltalk jetzt - Adieu Java - zur Evolution des Informatikunterrichts

Während mit Logo eine der ältesten Programmiersprachen in der informatischen Bildung seit je hohe Wertschätzung genießt und auch in neueren Schulbüchern präsent ist (siehe z. B. Hromkowitsch, 2008), konnte sich Smalltalk als ein weiterer „Programmiersprachen-Klassiker“ trotz – oder vielleicht gerade wegen – seiner bahnbrechenden neuen Konzepte bisher (in der Schule) nicht durchsetzen, da vor al...

Bidding Languages

In a combinatorial auction environment with m goods, a bid that ascribes a real value to any bundle of goods G, b : 2G → R, can require an exponential amount of space to represent, as there are 2m possible bundles. In these notes, we describe several bidding languages that can represent some bids more compactly. While they are called bidding languages, and can be thought of as languages bidders...

Bidding Rings