Latin America has long been subjected to colonial development that has negated Indigenous territory. In the present conjuncture, the region is home to the largest volume of environmental conflicts in the world. These conflicts are intrinsically connected to the wider model of neo-extractivist development that has been embraced throughout the continent since the early 2000s. Indigenous communities have frequently been the victims of this model of extractive development, with their territories becoming the primary sites for the aggressive expansion of the resource frontier. This has generated new political conflicts, as Indigenous communities conversely assert claims to territory and resources. In this article, I link these conflicts to what I term the ‘coloniality of space’, whereby Indigenous territorial forms have been theoretically elided from traditional spatial imaginaries within International Relations and concretely negated through practices within the global political economy. Moving beyond the territorial trap of nation-state centrism, Indigenous forms of resistance raise important questions about the subject and actors of International Relations.

This study of Camille Saint-Saëns's opéra comique Phryné (1893), representing the famous Greek courtesan in the title role, outlines how the composer made the case for the continued viability of the opéra comique genre in a context where lighter opérettes by Jacques Offenbach on classical subjects were much celebrated on French stages. Saint-Saëns's efforts are seen through both his dislike of Offenbach's music and the flexible use of generic name markers in musical comedies of the period. In marking out an aesthetic space for new musical comedy that was not Offenbach's, Saint-Saëns and his librettist Lucien Augé de Lassus conjoined their Hellenic subject matter not only with a canon of painting and sculpture but also with musical qualities deemed classical in the fin-de-siècle environment.

The White Sands dune field is the largest gypsum dune system in the world, derived from deflation of paleo-Lake Otero deposits. Understanding the timing of initial dune construction, and therefore lake deflation, is critical for understanding regional landscape evolution, including the history of lake desiccation. The onset of dune construction is currently estimated at ~8000 to 6500 cal yr BP, but numerical age control is limited. Archaeological evidence reported here indicates two older phases of gypsum dune construction. An archaeological site draped over a parabolic dune south of the main dune body contains artifacts dating to >12,200 cal yr BP, providing an upper age limit for the landform. Another site buried within a remnant of the main dune field yielded six statistically identical radiocarbon dates averaging ~8770 cal yr BP. The initial phase of terminal Pleistocene deflation and parabolic dune construction was perhaps localized but correlates with a period of regional aridity. Barchans and crescentic ridges comprising the main dune body developed in the Early Holocene in response to elevated salinity in local ground water and extensive exposures of gypsum available for deflation, likely due to aridity.

In Canada, there is renewed attention to the violence experienced by Indigenous peoples in residential schools, by police, through hyper-imprisonment and child removal, in hospitals, and in the contemporary education system. All of these issues are interlinked and outcomes of the carceral state—defined as the policing, monitoring, surveillance, criminalization and imprisonment of people, especially Indigenous and other racialized peoples. In this article, I define and illustrate what the carceral state looks like in Canada. I articulate the current approach to studying the carceral in political science, note the paucity of research in the Canadian context and show where attention has been cast previously. I describe an improved approach to studying the carceral, arguing that a decolonized approach to studying the carceral must be relational and abolitionist, seeking to reduce and eliminate the use of carceral interventions.

Studies in the sociopolitics of archaeology have shown patterns of inequality in publishing. Because this inequality affects the richness of perspectives on the past, the extent of unevenness requires continual documentation. This article explores gendered and institutionally based patterns of authorship in prominent archaeology journals, archaeology papers in general science journals, and Sapiens, a public-facing web magazine, from 2016 to 2021. We find that the representation of women is similar across these two types of journals, for authors both in the United States and abroad. Men still publish significantly more than women though the gap is narrowing due to the publication activity of recent PhDs. Using a large database of PhDs as a baseline for comparison, we find that women publish less in these venues than expected, resulting in an imbalance. Some archaeology programs have a larger presence in journal publishing than others, but this imbalance is not as pervasive as what has been observed in hiring practices. Archaeology journals exhibit healthier measures of diversity, compared to Science, in terms of the institutional affiliation of authors.

A theorem of Brady and Meier states that a right-angled Artin group is a duality group if and only if the flag complex of the defining graph is Cohen–Macaulay. We use this to give an example of a RAAG with the property that its outer automorphism group is not a virtual duality group. This gives a partial answer to a question of Vogtmann. In an appendix, Brück describes how he used a computer-assisted search to find further examples.

Kaposiform hemangioendothelioma is a rare tumour of vascular origin that rarely occurs in the heart. We provided a rare case of a 26-day-old infant with tachypnoea. Echocardiography showed a solid tumour in the pericardial cavity and a large amount of pericardial effusion. The solid tumour was confirmed by surgery, and the pathology was kaposiform hemangioendothelioma. We analysed this case and reviewed the related literature to explore the clinical features and echocardiographic manifestations to improve the understanding, diagnosis, and treatment of this disease for clinicians and sonographers.

We show that under $\mathsf {BMM}$ and “there exists a Woodin cardinal,$"$ the nonstationary ideal on $\omega _1$ cannot be defined by a $\Pi _1$ formula with parameter $A \subset \omega _1$. We show that the same conclusion holds under the assumption of Woodin’s $(\ast )$-axiom. We further show that there are universes where $\mathsf {BPFA}$ holds and $\text {NS}_{\omega _1}$ is $\Pi _1(\{\omega _1\})$-definable. Lastly we show that if the canonical inner model with one Woodin cardinal $M_1$ exists, there is a generic extension of $M_1$ in which $\text {NS}_{\omega _1}$ is saturated and $\Pi _1(\{ \omega _1\} )$-definable, and $\mathsf {MA_{\omega _1}}$ holds.

As an extension of Sylvester’s matrix, a tridiagonal matrix is investigated by determining both left and right eigenvectors. Orthogonality relations between left and right eigenvectors are derived. Two determinants of the matrices constructed by the left and right eigenvectors are evaluated in closed form.

We examine whether an individual's inability to save in the last 12 months affects the extent to which they are concerned about their future financial security and their propensity to plan for retirement. We use an original survey based upon representative samples of working individuals in 16 countries. We show that individuals who were unable to save over the 12-month period prior to the survey are less likely to consider well-being in retirement as their major financial concern. They are also less likely to invest in supplementary pension funds than those who were able to accumulate savings. We provide evidence that these findings are robust under several specifications and are mediated by respondents' perceived income prospects and assessment of their current financial situations.