Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

What better time to contemplate the conundrum that is zero than the start of a new year? Zero is a fairly new concept in ...

Abstract: This paper focuses on two critical challenges in Zero-IF (Zero Intermediate Frequency) radio receiver technology—DC offset and I/Q imbalance—and conducts a comparative analysis of existing ...

Abstract: We consider the problem of data harvesting in wireless sensor networks. A designated collector node seeks to compute a function of the sensor measurements. For a directed graph G = (V ,¿) on ...

More than 30 people have spent the night at the Hot Springs Community Resource Center on each of the three nights the facility opened as an emergency warming shelter. The facility opened for the first ...