This essay introduces a new featured section, to be published in Small Axe annually, that explores the critical vocabulary of field Caribbean studies.

We allocate agents to three kinds of hierarchical positions: top, medium, and low. No monetary transfers are allowed. We solve for the incentive-compatible (IC) mechanisms that maximize a family of weighted social welfares that includes utilitarian and Rawlsian welfares. When the market is tough (all agents bear positive risk of obtaining a low position in any IC and feasible mechanism), then t...

Abstract “Queer” is a relatively recent and somewhat controversial term in African studies. Yet it proving to be productive, not only for understanding subjectivities of sexuality gender, but also situating Africa’s position the larger economy knowledge. Otu van Klinken explore productive tensions between “queer” “Africa,” aim read Africa as queer from Africa. Thus, rather than imagining polar ...

This project is an extension of the Ad-hoc Walkie-Talkie project by UIUC PhD Lewis Tseng and my colleague UIUC undergraduate Pratch Piyawongwisa. Ad-hoc Walkie-Talkie is an application simulating walkie-talkie on top of an ad-hoc wireless network. A wireless sensor network comprises a number of sensor nodes, each of which has limited energy supply as well as intrinsic sensing and communicating ...

Visual Cryptography (VC), proposed by Naor and Shamir, has numerous uses, including visual authentication and identification, image encryption and steganography for security purpose, and. In this paper Contrast the visual information based on pseudo randomization and pixel reversal using sigmoid function is also proposed. Keywords— Information hiding, Information Security, Halftone image, Visua...