Dark Galaxies: How about this one?

How do galaxies populate Dark Matter halos?

For any assumed standard stellar Initial Mass Function, the Sloan Digital Sky Survey (SDSS) gives a precise determination of the abundance of galaxies as a function of their stellar mass over the full stellar mass range 108M⊙ < M∗ < 10 12M⊙. Within the concordance ΛCDM cosmology, the Millennium simulations give precise halo abundances as a function of mass and redshift for all halos within whic...

How are Bright Galaxies Embedded within their Dark Matter Halos?

Recent studies suggest that the orientations of large, bright galaxies within their dark matter halos are related to the morphologies of the galaxies themselves. Elliptical galaxies tend to be oriented such that, in projection on the sky, the mass (i.e., the dark matter) is well-aligned with the luminous galaxy. On the other hand, disk galaxies tend to be oriented such that their angular moment...

"How about this weather?" Social Dialog with Embodied Conversational Agents

People use conversational language to establish and maintain social relationships, as well as to accomplish tasks. Building rapport and common ground through small talk, intimacy through self-disclosure, credibility through linguistic style, social networks through gossip, and "face" through politeness, are all examples of this phenomenon. These uses of language are not important just in purely...

"How about this weather?" Social Dialogue with Embodied Conversational Agents

Social dialogue can be used by an embodied interface agent both to satisfy "interpersonal" goals, such as building rapport with the user and demonstrating the expertise of the agent, and to directly or indirectly satisfy task goals, such as acquiring background information about the user. We describe the ongoing development of an embodied conversational agent that is capable of multimodal input...

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