| Résume | We will show how pseudorandomness plays an increasingly important role in several areas of extremal graph theory. Interestingly, the sources of pseudorandomness can be quite varied, as we will provide examples from algebraic geometry, finite group theory, and the theory of buildings. Nevertheless, novel constructions remain highly in demand. To motivate this need, we will survey some recent results where pseudorandom objects match, enhance, or surpass classical probabilistic approaches.
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