«Στον καιρό μας βγήκανε πολλές νέες θρησκείες. Μια απ’ αυτές είναι κι ο τουρισμός, που τον γέννησε η κούφια και χασομέρικη περιέργεια του ανθρώπου που θέλει να σκαλίζει και να μαθαίνει χωρίς να δίνει καμμιά σημασία σ᾿ εκείνο που βλέπει κι ακούει. Οι περισσότεροι τουρίστες βαριούνται τη ζωή τους και θέλουνε να περάσουνε την ώρα […]

Here are some previous informal notes I’ve taken on the paper titled “Diffusion Maps and Coarse Graining: A Unified Framework for Dimensionality Reduction, Graph Partitioning, and Data Set Parameterization” authored by Stephane Lafon and Ann B. Lee. In this discussion, I will explore a core concept from the paper: the concept of “diffusion distance.” We’ll […]

In numerous contexts of our lives, specific dyadic interactions are characterized as “negative,” a term I use advisedly given its imprecise definition. To illustrate, consider one’s ego-centric networks, which are essentially the subgraphs formed by oneself and one’s immediate social connections. Within these networks, it is likely to identify relationships that are particularly favorable—these can […]