We demonstrate the power of symmetry in the resolution of some evolution partial differential equations which arise in various aspects of finance. The essential theme is that which Lie promulgated approximately 140 years ...

In a distributed system with attacks and defenses, an economic investment in defense mechanisms aims at increasing the degree of system protection against the attacks. We study such investments in the selfish setting, where ...

As information availability for products and services is increasing and as consumers engage in more online search prior to purchase decisions, it is becoming more important for firms to know when to invest to reduce consumer ...

Η ασάφεια στα δεδομένα επηρεάζει τον τρόπο με τον οποίο οι επενδυτές διαφοροποιούν τα χαρτοφυλάκια τους. Σε αυτή τη διατριβή, τεκμηριώνω πτυχές μιας τέτοιας πηγής ασάφειας, δηλ. βρίσκω στοιχεία που συνάδουν με την υπόθεση ...