“The Matrix Resurrections,” a Warner Bros. release, is rated R by the Motion Picture Association of America for violence and some language. Running time: 148 minutes.

But if defying one's heteronormative programming and entering the Matrix was once a balletic finesse, in “Resurrections” the battle is blunter and the tone less exultant.

But if defying one's heteronormative programming and entering the Matrix was once a balletic finesse, in "Resurrections" the battle is blunter and the tone less exultant.

In the 22 years since the “The Matrix” debuted, it has never left us — or depending on your pill of choice, we have never left it. Despite two largely disappointing sequels, “The Matrix” still hasn't ...

But if defying one’s heteronormative programming and entering the Matrix was once a balletic finesse, in “Resurrections” the battle is blunter and the tone less exultant.

“The Matrix Resurrections,” a Warner Bros. release, is rated PG-13 by the Motion Picture Association of America for violence and some language. Running time: 148 minutes.

“The Matrix Resurrections,” a Warner Bros. release, is rated R by the Motion Picture Association of America for violence and some language. Running time: 148 minutes.

We analyze two popular semidefinite programming relaxations for quadratically constrained quadratic programs with matrix variables. These relaxations are based on vector lifting and on matrix lifting; ...