Mathematicians offer unified theory of dark matter, dark energy, altering Einstein field equations

Mathematicians offer unified theory of dark matter, dark energy, altering Einstein field equations: A pair of mathematicians have proposed a unified theory of dark matter and dark energy that alters Einstein's equations describing the fundamentals of gravity. They suggest the law of energy and momentum conservation in spacetime is valid only when normal matter, dark matter and dark energy are all taken into account. For normal matter alone, energy and momentum are no longer conserved, they argue.