A novel higher-dimensional definition for Costas arrays is introduced. This definition works for arbitrary dimensions and avoids some limitations of previous definitions. Some non-existence results ...

Jun 20, 2025 New 2D semiconductors offer fast charge transport and solar cell potential Simulations reveal previously unknown 2D phthalocyanine monolayers combining structural stability, high mobility ...

Compared with conventional two-dimensional space-time adaptive processing (2D-STAP) methods, the elevation-azimuth-Doppler three-dimensional space-time adaptive processing (3D-STAP) method has the ...

How to Use the PDO Wrapper Class This setup provides a robust and secure way to interact with your MySQL database using PHP's PDO extension. Configure db.php Open db.php and edit the database ...

Collection of useful PHP functions, mini-classes, and snippets for every day. - JBZoo/Utils ...