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4 papers · 1 filter
The rising of collective forgetting and cultural selectivity in inventors and physicists communities
Cristian Candia, Brian Uzzi
How long until this paper is forgotten? Collective forgetting is the process by which the attention received by cultural pieces decays as time passes. Recent work modeled this deca…
Scaling Behavior of Public Procurement Activity
António Curado, Bruno Damásio, Sara Encarnação +2
Public procurement refers to the purchase by public sector entities, such as government departments or local authorities, of Services, Goods, or Works. It accounts for a significan…
Long-term NIR Variability in the UKIDSS Ultra Deep Survey: a new probe of AGN activity at high redshift
E. Elmer, O. Almaini, M. Merrifield +5
We present the first attempt to select AGN using long-term NIR variability. By analysing the K-band light curves of all the galaxies in the UKIDSS Ultra Deep Survey, the deepest NI…
Synchronization of active rotators interacting with environment
Taegeun Song, Heetae Kim, Seung-Woo Son +1
Multiple organs in a living system respond to environmental changes, and the signals from the organs regulate the physiological environment. Inspired by this biological feedback, w…