This article furthers our understanding of commercial fishing on the lower Tiber during the Republic and Principate, arguing for a robust industry in the center of Rome. Literary references to the lupus fish and a fishing site “between the bridges” direct attention to the area of the river around the Cloaca Maxima and Tiber Island. Situating intensive fishing there requires reconciliation with other commercial uses of the river, a common-pool resource shared by users with divergent and competing needs. Epigraphic evidence offers insight into professional associations and attendant relationships that were leveraged in favor of the interests of both fishermen and barge operators. I contend that two separate navigation zones existed, to the north and to the south of Tiber Island, and that transport barges venturing inland from Ostia did not navigate beyond Rome’s southern wharves. This system enabled fishing and barge traffic to coexist, protecting numerous interests and allowing for the unimpeded transportation of goods.

The results of the taxonomic, taphonomic, and paleoecological analyses of Late Pleistocene micromammals from the Salto de Piedra paleontological locality are presented in this paper. Our results support the conclusion that the microfaunal remains were mainly accumulated by diurnal raptors in areas close to where the remains were deposited, as there is no evidence of transport. Taxonomically, the recovered micromammals include rodents currently inhabiting the Humid Pampa (Calomys cf. C. musculinus-laucha, Ctenomys sp., and Reithrodon auritus) and species that became extinct during the Late Pleistocene (Microcavia cf. M. robusta) and Holocene (Galea tixiensis). Additionally, remains of the Patagonian marsupial Lestodelphys halli and the amphibious sigmodontine Holochilus brasiliensis were identified. These analyses, along with the paleoecological and malacological studies at Salto de Piedra, confirm a trend toward increased humidity, consistent with the paleoenvironmental evidence documented for the region at the end of the Pleistocene. This study of the central Humid Pampa based on this small mammal record is of particular interest for interpreting the paleoenvironmental and paleoecological scenario, coinciding with the arrival of the first humans in the area and the extinction of the megafauna.

In 2004, Herzog, Hibi, and Zheng proved that a quadratic monomial ideal has a linear resolution if and only if all its powers have a linear resolution. We study a generalization of this result for square-free monomial ideals arising from facet ideals of a simplicial tree. We give a complete characterization of simplicial trees for which all powers of their facet ideal have a linear resolution. We compute the regularity of t-path ideals of rooted trees. In addition, we study the regularity of powers of t-path ideals of rooted trees. We pose a regularity upper bound conjecture for facet ideals of simplicial trees, which is as follows: if $\Delta $ is a d-dimensional simplicial tree connected in codimension one, then reg$(I(\Delta )^s) \leq (d+1)(s-1)~+$ reg$(I(\Delta ))$ for all $s \geq 1$. We prove this conjecture for some special classes of simplicial trees.

This study aims to illuminate the underlying mechanisms of sentence processing in L2 speakers. The phenomenon of interest in the study is the passive structure, which prior research has shown can be challenging for both L1 speakers and L2 speakers to process compared to active structures. Using a visual-world eye-tracking paradigm, this study investigates whether L1-English speakers and L1-Cantonese L2-English speakers employ a morphological cue within the verb to process English actives and passives, and if so, specifically when these cues are integrated into their processing. The results from a growth curve analysis and a divergence point analysis show that the L2-English speakers were slower than the L1-English speakers, but did use the morphological cue to process both actives and passives, even though this cue is absent in their L1 Cantonese. These results suggest that, despite differences in processing speed, the mechanisms underlying L1 and L2 processing are similar.

Italy and the Italian Red Cross (ItRC) have recently developed a strong institutional partnership aimed at the promotion of international humanitarian law (IHL), both domestically and in international fora. This cooperation has been particularly evident in the last few years and culminated during the 34th International Conference of the Red Cross and Red Crescent (International Conference) in 2024, when Italy and the ItRC worked side by side in the preparation of the event and actively followed up to turn commitments into concrete outcomes. Their close coordination also stands out in the participation and engagement of relevant administrations and national stakeholders in Italy’s National IHL Committee, re-established in 2021, whose role and functioning features prominently in this contribution as a concrete example of Italy and the ItRC’s renewed collaboration. Through a qualitative review of previous initiatives, including the adoption of the first IHL Voluntary Report, the cooperation on a new IHL military manual and the joint engagement in the last International Conference, this paper assesses how cooperation between States and National Red Cross and Red Crescent Societies influences both IHL’s implementation and its elevation as a political priority, analyzing enabling factors, suggesting avenues for further improvements and potentially illustrating an example that could inform similar efforts in other national contexts.

This paper presents excavation results from Nyabusora, northern Tanzania, conducted by M. Posnansky and W.W. Bishop (1959) and M. Posnansky (1961). Only preliminary reports have previously been published. It synthesises the site’s history, incorporating previously unpublished analyses and information from Posnansky’s original field notes, and presents new 2014 field survey results and new archival research. Nyabusora holds particular significance as the only Early to Middle Stone Age (ESA/MSA) site in the region to have yielded both lithic and faunal remains, which gain new relevance in light of recent developments in ESA/MSA archaeology in eastern Africa. Nyabusora’s ‘Sangoan’ lithic assemblage is now largely decontextualised and associated finds have been lost, so this study presents the only available lithic and faunal analyses, alongside interpretations of the stratigraphic sequence and site. Such stratified assemblages are exceptionally rare and are generally attributed to the Middle Pleistocene. This research enhances understanding of Plio-Pleistocene landscape evolution in the Kagera River and western Lake Victoria-Nyanza Basin. It contributes important new data on ESA/MSA lithic variability and, via ongoing investigations by Basell within the Kagera catchment, offers huge potential for clarifying Middle Pleistocene palaeoenvironments.

Demand currently greatly outweighs supply in teenage mental health, with statutory services and the third sector struggling to cope with the number of referrals. There is increasing interest in the possibility of using schools to provide mental health interventions. This pilot study looked at the feasibility of developing a version of an existing evidence-based transdiagnostic large-class didactic approach widely used in NHS adult services – ‘Stress Control’ – for use with teenagers as a universal early intervention/prevention approach taught by teachers within the Personal and Social Education (PSE) curriculum in a high school in a highly deprived area. PSE teachers were trained, over five hours, to deliver each of the eight sessions in single weekly periods. Measures of anxiety and depression (RCADS) and wellbeing (WEMBWS) were administered at pre- and post-intervention and at 9-month follow-up. Results suggest that teachers reported few problems in delivering the approach, seen as relevant by pupils and showed significant reduction in anxiety and depression and significant gains in wellbeing at post-intervention. These gains were maintained at 9-month follow-up. There appears to be potential in this model. One of its strengths appears to be the positive collaboration between the psychologist, teachers and pupils, which resulted in changes being made to the original model. Limitations of the study and suggestions for future research are given.

We introduce a natural weighted enumeration of lattice points in a polytope, and give a Brion-type formula for the corresponding generating function. The weighting has combinatorial significance, and its generating function may be viewed as a generalization of the Rogers–Szegő polynomials. It also arises from the geometry of the toric arc scheme associated to the normal fan of the polytope. We show that the asymptotic behaviour of thecoefficients at $q=1$ is Gaussian.

In this paper we are concerned with susceptible–infected–removed (SIR) epidemics with vertex-dependent recovery and infection rates on complete graphs. We show that the hydrodynamic limit of our model is driven by a nonlinear function-valued ordinary differential equation consistent with a mean-field analysis. We further show that the fluctuation of our process is driven by a generalized Ornstein–Uhlenbeck process. A key step in the proofs of the main results is to show that states of different vertices are approximately independent as the population $N\rightarrow+\infty$.

Voting-advice applications (VAAs) are increasingly popular, but their impact on electoral outcomes is contested among political scientists. To bring new and stronger evidence to this debate, we conducted a series of pre-registered studies during the 2024 European Parliament elections in Germany, Italy, and France. In this paper, we report results for the highest-powered VAA encouragement experiment to date (total n = 6,501) and a novel regression discontinuity design around VAA recommendation thresholds (n = 10,535). While we observe null effects of VAA usage on voter turnout, the frequency of vote switching, and political knowledge, we find that our VAAs significantly improved the quality of vote switching: users were more likely to vote for their ideologically most aligned party. Based on these findings and a rich battery of supplementary analyses, we conclude that VAAs are effective precisely for their intended purpose: to help voters make better-informed vote choices.

Although deep reinforcement learning (DRL) techniques have been extensively studied in the field of robotic manipulators, there is limited research on directly mapping the output of policy functions to the joint space of manipulators. This paper proposes a motion planning scheme for redundant manipulators to avoid obstacles based on DRL, considering the actual shapes of obstacles in the environment. This scheme not only accomplishes the path planning task for the end-effector but also enables autonomous obstacle avoidance while obtaining the joint trajectories of the manipulator. First, a reinforcement learning framework based on the joint space is proposed. This framework uses the joint accelerations of the manipulator to calculate the Cartesian coordinates of the end-effector through forward kinematics, thereby performing end-to-end path planning for the end-effector. Second, the distance between all the linkages of the manipulator and irregular obstacles is calculated in real time based on the Gilbert–Johnson–Keerthi distance algorithm. The reward function containing joint acceleration is constructed with this distance to realize the obstacle avoidance task of the redundant manipulator. Finally, simulations and physical experiments were conducted on a 7-degree-of-freedom manipulator, demonstrating that the proposed scheme can generate efficient and collision-free trajectories in environments with irregular obstacles, effectively avoiding collisions.