Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

To help relieve dry skin, dermatologists offer these tips. Dry skin can flake, itch, crack, and even bleed. These tips from board-certified dermatologists can help you heal excessively dry skin at ...

JMathArray provides classes with static methods for basic math in Java. Random number generations is based on RngPack?, linear algebra is based on Jama. List of static methods applicable on int and ...