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1. The Role of Northern Belize in Shaping Maya Archaeology

   Robin, Cynthia (August 2020, Research reports in Belizean archaeology)

   null (Ed.)

   This article addresses the critical role that archaeology in Northern Belize has played in shaping Maya Archaeology. It traces the history of archaeological research in Northern Belize and identifies three areas in which Northern Belize research has transformed the nature of Maya Archaeology. First, excavations at Northern Belize archaeological sites have been critical in providing the empirical evidence for the duration of human occupation in the Maya area. Second, the robust picture of the longevity of human occupation revealed by Northern Belize research provides a concerted challenge to traditional narratives of Maya archaeology, particularly narratives of the “collapse” of Maya society. Third, female leadership in archaeological project direction, artifact analyses, and scholarly publication in Northern Belize broke down barriers for the inclusion of women and other underrepresented groups in archaeology widening the lens of participation and production in archaeology. Across its history, research in Northern Belize has been on the forefront of transformations advancing both the understanding and practice of Maya archaeology. 

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2. Detecting Classic Maya Settlements with Lidar-Derived Relief Visualizations

   https://doi.org/10.3390/rs12172838  

   Thompson, Amy E. (September 2020, Remote Sensing)

   null (Ed.)

   In the past decade, Light Detection and Ranging (lidar) has fundamentally changed our ability to remotely detect archaeological features and deepen our understanding of past human-environment interactions, settlement systems, agricultural practices, and monumental constructions. Across archaeological contexts, lidar relief visualization techniques test how local environments impact archaeological prospection. This study used a 132 km2 lidar dataset to assess three relief visualization techniques—sky-view factor (SVF), topographic position index (TPI), and simple local relief model (SLRM)—and object-based image analysis (OBIA) on a slope model for the non-automated visual detection of small hinterland Classic (250–800 CE) Maya settlements near the polities of Uxbenká and Ix Kuku’il in Southern Belize. Pedestrian survey in the study area identified 315 plazuelas across a 35 km2 area; the remaining 90 km2 in the lidar dataset is yet to be surveyed. The previously surveyed plazuelas were compared to the plazuelas visually identified on the TPI and SLRM. In total, an additional 563 new possible plazuelas were visually identified across the lidar dataset, using TPI and SLRM. Larger plazuelas, and especially plazuelas located in disturbed environments, are often more likely to be detected in a visual assessment of the TPI and SLRM. These findings emphasize the extent and density of Classic Maya settlements and highlight the continued need for pedestrian survey to ground-truth remotely identified archaeological features and the impact of modern anthropogenic behaviors for archaeological prospection. Remote sensing and lidar have deepened our understanding of past human settlement systems and low-density urbanism, processes that we experience today as humans residing in modern cities. 

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3. Creating Nature in the Yucatan Peninsula: Social Inequality and the Production of Eco‐Archaeological Parks

   https://doi.org/10.1111/aman.13234  

   Kurnick, Sarah (April 2019, American Anthropologist)

   ABSTRACT Over the last several decades, scholars have reexamined the importance of spatiality to human life and argued that space produces and is produced by social relationships. This article adopts such a relational understanding of space to examine the production of eco‐archaeological tourist attractions in the eastern Yucatan Peninsula of Mexico and beyond. Specifically, this article considers the common practice of declaring areas encompassing archaeological sites as nature parks or wildernesses. Because so many sites are currently located in areas that have been deemed natural, scholars cannot fully understand the contemporary production of archaeological space without examining the historic production of nature and wilderness. Using the Xcaret Eco‐Archaeological Park and the Otoch Ma'ax Yetel Kooh, this article shows that although the creation of archaeological nature parks frequently harms indigenous peoples through processes of spatial colonization and spatial commodification, the production of such spaces can also enable and empower local, marginalized groups. [wilderness, political authority social inequality, community archaeology, the Maya] 

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4. Social Complexity and the Middle Preclassic Lowland Maya

   https://doi.org/10.1007/s10814-021-09168-y  

   Pugh, Timothy W. (January 2022, Journal of Archaeological Research)

   Intensified social complexity emerged in some parts of the lowland Maya region during the Middle Preclassic period (800–300 BC). Though data for Middle Preclassic complexity remain very thin, states may have formed in the Mirador Basin and other areas that exhibit settlement hierarchy, evidence of centralized administration, and specialization. However, these developments have been obscured by a shift from a more cooperative to a more competitive system during the Late Preclassic period (300 BC–AD 200). Unilinear thought has confused this change in organization with a shift toward greater complexity. Such positions incorrectly assume that divine kingship and its accouterments are a baseline for complexity. Judging Middle Preclassic period complexity according to Classic period developments is dubious given the cooperative–competitive oscillations; the tendency in the Maya area for states to have been secondary with longstanding interactions among Chiapas, Pacific Coast, Isthmian, and the Gulf Coast areas; and internal innovations. New data are needed to characterize early complexity in the Maya lowlands on its own terms. 

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5. Efficient Algorithms for Coded Multicasting in Heterogeneous Caching Networks

   https://doi.org/10.3390/e21030324  

   Vettigli, Giuseppe; Ji, Mingyue; Shanmugam, Karthikeyan; Llorca, Jaime; Tulino, Antonia; Caire, Giuseppe (March 2019, Entropy)

   Coded multicasting has been shown to be a promising approach to significantly improve the performance of content delivery networks with multiple caches downstream of a common multicast link. However, the schemes that have been shown to achieve order-optimal performance require content items to be partitioned into several packets that grows exponentially with the number of caches, leading to codes of exponential complexity that jeopardize their promising performance benefits. In this paper, we address this crucial performance-complexity tradeoff in a heterogeneous caching network setting, where edge caches with possibly different storage capacity collect multiple content requests that may follow distinct demand distributions. We extend the asymptotic (in the number of packets per file) analysis of shared link caching networks to heterogeneous network settings, and present novel coded multicast schemes, based on local graph coloring, that exhibit polynomial-time complexity in all the system parameters, while preserving the asymptotically proven multiplicative caching gain even for finite file packetization. We further demonstrate that the packetization order (the number of packets each file is split into) can be traded-off with the number of requests collected by each cache, while preserving the same multiplicative caching gain. Simulation results confirm the superiority of the proposed schemes and illustrate the interesting request aggregation vs. packetization order tradeoff within several practical settings. Our results provide a compelling step towards the practical achievability of the promising multiplicative caching gain in next generation access networks. 

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