We prove that for every positive integer $m\geq 18(2^{9}\cdot 3^{7})!$ and every smooth projective 3-fold of general type X defined over complex numbers, $\mid mK_{X}\mid$ gives a birational rational map from X into a projective space.
Pluricanonical systems of projective varieties of general type
Effective birationality of pluricanonical systems
Bredon motivic cohomology of the complex numbers
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