Many Nests On One Small Lot

One attack on a health worker is one too many.

After 6 years of conflict, the war in Syria is currently the largest humanitarian and refugee crisis. Over 250 000 Syrians have been killed, millions are displaced or living in besieged areas, and 5 million have become refugees. In his first statement on becoming the UN Secretary General, António Guterres seemed to have this situation in mind in his plea for peace: “How can we help the millions...

On the Sum Capacity of Many-to-one and One-to-many Gaussian Interference Channels

We obtain new sum capacity results for the Gaussian many-to-one and one-to-many interference channels in channel parameter regimes where the sum capacity was known only up to a constant gap. Simple HanKobayashi (HK) schemes, i.e., HK schemes with Gaussian signaling, no time-sharing, and no common-private power splitting, achieve sum capacity under the channel conditions for which the new result...

Many - to - One Packet Routing on Grids

We study the general many-to-one packet routing problem in a grid-topology network, where the number of packets destined at a single node may be arbitrary (in contrast to the permutation and h h routing models), and the semantics of the packets is unknown (thus disallowing packet combining). The worst case time complexity of the problem may be very high, due to the possible existence of “hot sp...

Many - to - One Packet Routing on GridsExtended

We study the general many-to-one packet routing problem in a grid-topology network, where the number of packets destined at a single node may be arbitrary (in contrast to the permutation and h ? h routing models), and the semantics of the packets is unknown (thus disallowing packet combining). The worst case time complexity of the problem may be very high, due to the possible existence of \hot ...

One million insects--a lot of parasites?