. A <strong>generative adversarial network (GAN)</strong> is an especially effective type of generative model, <a href="https://arxiv.org/pdf/1406.2661.pdf" title="The original paper by Goodfellow et al. published in 2014">introduced only a few years ago</a>, which has been a subject of intense interest in the machine learning community. 
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      You might wonder why we want a system that produces realistic images, or plausible simulations of any other kind of data. Besides the intrinsic