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Almost 50 years after landmark archaeological activities in the Deh Luran plain in southwestern Iran by Frank Hole, Kent Flannery, James Neely, and Henry Wright, the area was re-surveyed in 2016 and 2019 to assess the destruction of archaeological sites as a result of agricultural and expanded irrigation activities. During the surface survey on Tappeh Gārān two inscribed objects were found. The inscriptions yield some information on the economic and political importance of Tappeh Gārān in the Old Elamite Period. Textual evidence indicates that throughout the 3th to the 1st millennia BCE, Mesopotamian rulers frequently invaded Elam and seized its principal centres, especially Susa. As the main corridor between Elam and its western neighbors, the Deh Luran plain is a major route between the two, especially in regards to the acquisition of raw materials by the Mesopotamians, including different kinds of stone and bitumen. Further, the abundance of water and fertile soil made the Deh Luran plain a desirable target for Mesopotamian polities. The inscribed objects from Tappeh Gārān consist of writings in Akkadian and geometric patterns that we think illustrate the outline of an agricultural scheme.
The factorially normalized Bernoulli polynomials $b_n(x) = B_n(x)/n!$ are known to be characterized by $b_0(x) = 1$ and $b_n(x)$ for $n \gt 0$ is the anti-derivative of $b_{n-1}(x)$ subject to $\int _0^1 b_n(x) dx = 0$. We offer a related characterization: $b_1(x) = x - 1/2$ and $({-}1)^{n-1} b_n(x)$ for $n \gt 0$ is the $n$-fold circular convolution of $b_1(x)$ with itself. Equivalently, $1 - 2^n b_n(x)$ is the probability density at $x \in (0,1)$ of the fractional part of a sum of $n$ independent random variables, each with the beta$(1,2)$ probability density $2(1-x)$ at $x \in (0,1)$. This result has a novel combinatorial analog, the Bernoulli clock: mark the hours of a $2 n$ hour clock by a uniformly random permutation of the multiset $\{1,1, 2,2, \ldots, n,n\}$, meaning pick two different hours uniformly at random from the $2 n$ hours and mark them $1$, then pick two different hours uniformly at random from the remaining $2 n - 2$ hours and mark them $2$, and so on. Starting from hour $0 = 2n$, move clockwise to the first hour marked $1$, continue clockwise to the first hour marked $2$, and so on, continuing clockwise around the Bernoulli clock until the first of the two hours marked $n$ is encountered, at a random hour $I_n$ between $1$ and $2n$. We show that for each positive integer $n$, the event $( I_n = 1)$ has probability $(1 - 2^n b_n(0))/(2n)$, where $n! b_n(0) = B_n(0)$ is the $n$th Bernoulli number. For $ 1 \le k \le 2 n$, the difference $\delta _n(k)\,:\!=\, 1/(2n) -{\mathbb{P}}( I_n = k)$ is a polynomial function of $k$ with the surprising symmetry $\delta _n( 2 n + 1 - k) = ({-}1)^n \delta _n(k)$, which is a combinatorial analog of the well-known symmetry of Bernoulli polynomials $b_n(1-x) = ({-}1)^n b_n(x)$.
Many look to the federal courts as an avenue of control of the growing administrative state. Some advocate the creation of specialized federal courts of appeals in areas such as immigration and social security. Yet, little is known about whether repeat exposure to specific types of cases enables federal judges to overcome doctrines of deference and whether such an effect would be policy-neutral. Gathering a sample of over 4000 cases decided by the U.S. Courts of Appeals between 2002 and 2017, we demonstrate that exposure to asylum cases over time emboldens federal judges to challenge administrative asylum decisions, asserting their personal policy preferences. The effect is particularly strong when the legal issue should prompt deference based on bureaucratic expertise. These findings not only address important questions raised by bureaucracy and court scholars but also inform a salient public debate concerning the proper treatment of those seeking refuge within our borders.
Female attorneys at the U.S. Supreme Court are less successful than male attorneys under some conditions because of gender norms, implicit expectations about how men and women should act. While previous work has found that women are more successful when they use more emotional language at oral arguments, gender norms are context sensitive. The COVID-19 pandemic prompted perhaps the most radical contextual shift in Supreme Court history: freewheeling in-person arguments were replaced with turn-based teleconference arguments. This change altered judicial decision-making and, I argue, justices’ assessments of attorneys’ gender performance. Using quantitative textual analysis of oral arguments, I demonstrate that justices implicitly evaluate gender performance with different metrics in each modality. Gender-normative levels of emotional language predict success in both formats. Function words, however, only predict success in teleconference arguments. Given gender’s salience at the Supreme Court and in broader society, my findings prompt questions about the extent to which women can substantively impact case law.
Lindsay Schakenbach Regele’s essay “A Brief History of the History of Capitalism, and a New American Variety” attempts to provide more structure to the field known as the new history of capitalism (NHOC) by defining martial capitalism as a new variant. In contrast, this essay asserts that the lack of definitional precision within the NHOC is not a bug, but rather one of its key features. To define capitalism would be to delimit where it was and was not present historically. If part of the argument of the NHOC is that capitalism pervaded—indeed infected—all aspects of American life, then defining the term would be self-defeating. In the end, martial capitalism suffers from the same shortcomings of the NHOC more generally, in that it places all “warlike activities” of the state under the undefined umbrella of something vaguely called “capitalism.”
This article broadens the understanding and empirical study of regime complexes by shifting the focus from the negotiation outcome to the processes of negotiating new international agreements. Although they are important to regime-complex formation and delimitation, the sites where states negotiate new agreements are rather neglected. We aim to enhance the methodological toolbox available to scholars studying global governance in two ways: (1) by demonstrating how dynamic relationships between states and international organisations (IOs) unfolding within the social space of international treaty negotiations contribute to regime-complex formation; and (2) how social network analysis (SNA) can help us to detect patterns in these relationships. Combining participant observation and collaborative event ethnography (CEE) with social network analysis, we present new empirical material illustrating how we delimited a regime complex and how IOs interact throughout the negotiation process. We applied our methodology to the case of marine-biodiversity governance and use observational data collected during three intergovernmental conferences (IGCs) (2018–19) on a new treaty for the conservation and sustainable use of marine biodiversity beyond national jurisdiction (BBNJ) for our analysis. We discuss the results in relation to our approach’s strengths and weaknesses and implications for future research on regime complexity.
The efficiency of water electrolysis is significantly impacted by the generation of micro- and nanobubbles on the electrodes. Here molecular dynamics simulations are used to investigate the dynamics of single electrolytic nanobubbles on nanoelectrodes. The simulations reveal that, depending on the value of current, nucleated nanobubbles either grow to an equilibrium state or grow unlimitedly and then detach. To account for these findings, the stability theory for surface nanobubbles is generalized by incorporating the electrolytic gas influx at the nanobubble's contact line and adopting a real gas law, leading to accurate predictions for the numerically observed transient growth and stationary states of the nanobubbles. With this theory, the minimum current for bubble detachment can also be derived analytically. In the detachment regime, the radius of the nanobubble first increases with time (t) as $R\propto t^{1/2}$ and then as $R\propto t^{1/3}$, up to bubble detachment.
In this essay, I reflect on the growing political obstacles to doing business history in China and how, in my doctoral dissertation research, I attempted to overcome them. More specifically, I discuss how I drew on unconventional historical sources and novel data to examine the relationship between informal entrepreneurial activity and economic change in Maoist China (1949–1978). Through the quantitative analysis of thousands of case files of individuals prosecuted as “speculators and profiteers”—discarded administrative documents that were recovered from Chinese flea markets—I reassessed the scale and scope of informal entrepreneurial activity in Maoist China. I then went on to triangulate these data with evidence found in other sources to illustrate how, over time, informal entrepreneurial activity became more collusive, encompassing, and impossible to contain. Ultimately, I argued that China’s “Reform and Opening Up” was not the state-led watershed event that it is often made out to be; rather, economic and institutional change was, at least partly, the result of a bottom-up transformation, decades in the making. This essay thus suggests that the use of unconventional sources and mixed methods presents opportunities both for doing research in contexts where history is being actively securitized and for producing countervailing narratives that decenter the state.
Maternal depressive symptoms (MDS) in the postnatal period may impact children’s later development through poorer quality parent-child interactions. The current study tested a specific pathway from MDS (child age 9 months) to child receptive vocabulary (4 ½ years) through both self-reported and observed parent-child verbal interactions (at both 2 and 4 ½ years). Participants (n = 4,432) were part of a large, diverse, contemporary pre-birth national cohort study: Growing Up in New Zealand. Results indicated a direct association between greater MDS at 9 months and poorer receptive vocabulary at age 4 ½ years. There was support for an indirect pathway through self-reported parent-child verbal interactions at 2 years and through observed parent-child verbal interactions at 4 ½ years. A moderated mediation effect was also found: the indirect effect of MDS on child vocabulary through observed verbal interaction was supported for families living in areas of greater socioeconomic deprivation. Overall, findings support the potential role of parent-child verbal interactions as a mechanism for the influence of MDS on later child language development. This pathway may be particularly important for families experiencing socioeconomic adversity, suggesting that effective and appropriate supportive parenting interventions be preferentially targeted to reduce inequities in child language outcomes.
Particle motion near non-plane surfaces can exhibit intricate hydrodynamics, making it an attractive tool for manipulating particles in microfluidic devices. To understand the underlying physics, this work investigates the Stokesian dynamics of a sphere near a sinusoidal surface, using a combination of perturbation analysis and boundary element simulation. The Lorentz reciprocal theorem is employed to solve the particle mobility near a small-amplitude surface. Compared with a plane wall, the curved topography induces additional translation and rotation velocity components, with the direction depending on the location of the sphere and the wavelength of the surface. At a fixed distance from the surface, the longitudinal and vertical mobilities of the sphere are strongly affected by the wavelength and amplitude of the surface, whereas its transverse mobility is only mildly influenced. When a sphere settles perpendicular to a sinusoidal surface, the far-field hydrodynamic effect drives the particle towards the local hill, while the near-field effect attracts the particle to the valley. These results provide valuable insights into the particle motion near surfaces with complex geometry.
The recent emergence of online crowdfunding campaigns has transformed the charitable landscape in China. This paper examines the participation of one county-level grassroots nonprofit organization (SW) in Tencent's 99 Giving Day to reveal a paradox of organizational success in online crowdfunding, namely that local nonprofits have to wage corresponding offline campaigns with the support of the local government, and thus must co-evolve with local politics. While the online charitable campaign played a crucial role in the founding and professionalization of SW, the successful campaign was soon co-opted by the local government as a source of welfare soft-budgeting and performance management. To ensure the ongoing success of the three-day campaign, the online crowdfunding was transformed into a large-scale offline mobilization. We find that although crowdfunding creates new opportunities for rural grassroots organizations, these organizations must balance dual pressures from both the platform and the local government to successfully crowdfund online.
Although space colonization appears to belong to the world of science fiction, private corporations owned by Silicon Valley billionaires—and supported by the US state—have spent billions making it a reality. Analyses of space colonialism have sometimes viewed these projects as distinct from earthly histories of colonialism, instead locating them within traditions of libertarianism, neoliberalism, or techno-utopianism. By reconstructing technology elites’ political visions for celestial settlements within the literature on colonial-era corporations and property, this study argues that the idea of outer space as an empty frontier relies on the same logic of territorialization that was used to justify terrestrial colonialism and indigenous dispossession. It further traces how the idea of “engineering territory” has inspired wider Silicon Valley political exit projects such as cyberspace, seasteading, and network states, which, rather than creating spaces of anarchical freedom, are attempting to recreate the territorial state in new spaces.
I examine chapters I and II of the Dialectic of Pure Practical Reason from the Critique of Practical Reason, to show that Kant resolved the antimony of practical reason by first giving an accurate representation of the cause of a properly moral act and then recognizing that this accurate representation raised further problems, problems that were anticipated by Rousseau, especially in his Reveries of a Solitary Walker. Rousseau’s reveries allowed Kant to explore, and to some extent overcome, the darker implications of their common understanding of virtue. In the second Critique this takes the form of explaining how one can understand and existentially achieve one’s own satisfaction based on contentment with oneself rather than enjoyment.
Direct numerical simulations are performed to explore the effects of the rotating direction of the vertically asymmetric rough wall on the transport properties of Taylor–Couette (TC) flow, up to a Taylor number of ${Ta} = 2.39\times 10^{7}$. It is shown that, compared with the smooth wall, the rough wall with vertical asymmetric strips can enhance the dimensionless torque ${Nu}_{\omega }$. More importantly, at high Ta, clockwise rotation of the inner rough wall (where the fluid is sheared by the steeper slope side of the strips) results in a significantly greater torque enhancement compared to counter-clockwise rotation (where the fluid is sheared by the smaller slope side of the strips), due to the larger convective contribution to the angular velocity flux. However, the rotating direction has a negligible effect on the torque at low Ta. The larger torque enhancement caused by the clockwise rotation of the vertically asymmetric rough wall at high Ta is then explained by the stronger coupling between the rough wall and the bulk, attributed to the larger biased azimuthal velocity towards the rough wall at the mid-gap of the TC system, the increased turbulence intensity manifested by larger Reynolds stress and a thinner boundary layer, and the more significant contribution of the pressure force on the surface of the rough wall to the torque.
The effect of smoking and nicotine exposure during pregnancy on fetal nephrogenesis is a growing area of research. The objective of this systematic review is to summarise the current evidence in this research field. Our literature search identified a total of 415 articles from PubMed, Embase, Scopus, and Cochrane. After electronic sorting and manual screening, 18 eligible articles were found, 6 being human studies and 12 being animal studies. Articles that did not study nicotine or smoking, did not focus on fetal kidney development, or did not include nicotine or smoking exposure during pregnancy were excluded from the systematic review. The main outcomes of the studies were kidney weight, volume and size, kidney histopathology and morphology, and kidney function. Evidence from human studies identified a reduction in fetal kidney size, volume, and weight in offspring exposed to smoking during pregnancy; and the greatest impact was seen in offspring exposed to >5–10 cigarettes per day. Animal studies investigated kidney histopathology and highlighted kidney injury and microscopic changes in response to nicotine exposure during pregnancy. Further research is required to determine the impact on kidney function. Recreational nicotine use is evolving, and with the increasing use of urine cotinine in the evaluation of nicotine exposure, further research is needed.
We consider the discrete Safronov-Dubovskiĭ aggregation equation associated with the physical condition, where particle injection and extraction take place in the dynamical system. In application, this model is used to describe the aggregation of particle-monomers in combination with sedimentation of particle-clusters. More precisely, we prove well-posedness of the considered model for a large class of aggregation kernel with source and efflux coefficients. Furthermore, over a long time period, we prove that the dynamical model attains a unique equilibrium solution with an exponential rate under a suitable condition on the forcing coefficient.