This article describes how Egyptian state documents are scattered between governmental institutions, private collections, and the second-hand book and paper market. This scattering raises a practical question about the conditions under which official documents become discardable and commodifiable by bureaucrats, their families, and second-hand dealers. This scattering also raises a theoretical question about the nature of a state which takes uneven care in keeping a record of its own institutional past. After outlining the difficulties of access one faces in official archives in Egypt, the article fleshes out the sociological profile of different custodians of state paperwork—including families of bureaucrats, peddlers, and dealers—and the conditions under which state documents become commodified to this day. The overarching objective is not just to show the well-known limitations of national archives as a source of historical material, but also to show how actually existing “state archives” go well beyond the remit of official institutions, with notable consequences over our conception of the state.

Despite the affinity of monism and monotheism—and despite monism’s recent philosophical renaissance—few have defended the conjunction of the two claims, of what we might call ‘theistic monism’. I argue, first, that monism and monotheism are consistent, and second, that each one provides good reasons to accept the other one. Monotheists, qua monotheists, have good reason to be monists; and monists, qua monists, have good reason to be monotheists. There should be much greater overlap between the monist camp and the monotheist camp than there is at present.

Fostering diversity in political science careers is important. Undergraduate research experiences, coupled with an emphasis on career diversity, have the potential to increase relevant knowledge about and buoy tendencies toward pursuing a PhD among students from diverse backgrounds. This article describes components of a US National Science Foundation–funded Research Experiences for Undergraduates (REU) program that highlighted career diversity. We find evidence of positive shifts in awareness of career opportunities for those with doctoral degrees alongside sustained interest in pursuing a PhD. We conclude that an emphasis on career diversity can be a useful component of efforts to shape students’ attitudes and inclinations toward a PhD.

Counting independent sets in graphs and hypergraphs under a variety of restrictions is a classical question with a long history. It is the subject of the celebrated container method which found numerous spectacular applications over the years. We consider the question of how many independent sets we can have in a graph under structural restrictions. We show that any $n$-vertex graph with independence number $\alpha$ without $bK_a$ as an induced subgraph has at most $n^{O(1)} \cdot \alpha ^{O(\alpha )}$ independent sets. This substantially improves the trivial upper bound of $n^{\alpha },$ whenever $\alpha \le n^{o(1)}$ and gives a characterisation of graphs forbidding which allows for such an improvement. It is also in general tight up to a constant in the exponent since there exist triangle-free graphs with $\alpha ^{\Omega (\alpha )}$ independent sets. We also prove that if one in addition assumes the ground graph is chi-bounded one can improve the bound to $n^{O(1)} \cdot 2^{O(\alpha )}$ which is tight up to a constant factor in the exponent.

This review essay focuses on the intimate, yet contingent, historical relationships between capitalism, democracy and the welfare state in the OECD region. Six landmark studies, published over the past decade, are reviewed: Daron Acemoglu and James A. Robinson’s Why Nations Fail: The Origins of Power, Prosperity and Poverty and The Narrow Corridor: How Nations Struggle for Liberty; Thomas Piketty’s Capital and Ideology; Torben Iversen and David Soskice’s Democracy and Prosperity: Reinventing Capitalism through a Turbulent Century; Peter H. Lindert’s Making Social Spending Work; and Ayşe Buğra’s Social Policy in Capitalist History. All these books reveal the independent effect of historical political factors on the rise of the welfare state across advanced capitalist democracies. Contrary to received wisdom, the central argument put forward is that there is no trade-off between capitalism and democracy and, more importantly, that the welfare state has become an existentially important lubricant buttressing both advanced capitalism and liberal democracy.

Measles (rubeola) caused by measles virus is highly contagious and can be transmitted via respiratory droplets or can spread via sneezing or coughing of an infected person. In January 2025, two cases of measles associated with international travel seen in unvaccinated individuals of Harris County were reported by the Houston Health Department. This disease which was once declared eradicated from United States (US) in the year 2000, unfortunately has affected a total of 607 cases since January 2025, across the US, with highest number of cases recorded in Texas. Majority of the cases are witnessed in the paediatric population, especially the ones who are unvaccinated or have an uncertain vaccination history. Unfortunately, vaccine hesitancy is an important barrier in achieving measles eradication, and it is more imperative than ever to address this issue in a timely manner. There is an urgent need of virus containment measures to be taken by public health authorities to curb its spread, specifically by reinforcing the importance and safety of vaccinations, debunking myths and educating parents that the recommended two doses of vaccination not only serve as a safety net for their child but also for the community as a whole.

This article studies estimation and inference in the autoregressive (AR) models with unspecified and heavy-tailed heteroskedastic noises. A piece-wise locally stationary structure of the noise is constructed to capture various forms of heterogeneity, without imposing any restrictions on the tail index. The new nonstationary AR model allows for not only time-varying conditional features but also unconditional variance and tail index. This makes it appealing in practice, with wide applications in economics and finance. To obtain a feasible inference, we investigate the self-weighted least absolute deviation estimator and derive its asymptotic normality. Since the asymptotic variance relies on an unobserved density, a bootstrap method is proposed to approximate the limiting distribution. Based on the conditional moment condition, a portmanteau test from residuals is further proposed to detect misspecifications in the proposed model. A simulation study and two applications to time series illustrate our inference procedures.

This paper presents a compact, dual-polarized, 32-element, 47 GHz phased array transceiver, fabricated in 55 nm CMOS technology with antenna in package (AiP) technology for 5G communications. The proposed transceiver employs an intermediate frequency (IF) phase-shifting architecture and a facing-up (FU) configuration AiP. The IF phase shifting is realized using a bidirectional IF vector sum phase shifter and IQ mixer with drain bias, achieves less than 1° phase resolution, with rms phase error of 0.047° and rms amplitude error of 0.063 dB. The output third-order intercept point is above +1.0 dBm with Txconversion gain of more than 16.5 dB over the radio frequency ranges from 46 to 49 GHz. To reduce heat concentration from the high integrated phased-array transceiver, a FU AiP-fan-out wafer-level packaging utilizes solder balls mounted on the package as a heat spreader, resulting in a thermal resistance of less than 0.3 K/W. The finalized AiP size is only 12.3 mm × 14.9 mm. Regarding the over-the-air measurement, the proposed transmitter can deliver an equivalent isotropic radiated power of 30.7 dBm with single polarization and demonstrates transmitter error vector magnitude less than 3.9% under 5G NR modulation scheme (256QAM, 100 MHz bandwidth).