A review of property rights in outer space from a land management perspective

Purpose In light of the discussions on outer space property management, this conceptual review paper aims to discuss and evaluate if, when and under which conditions certain land management and property right frameworks can apply to allocate and/or restrict property rights in outer space. Design/methodology/approach This paper applies a pragmatic review approach which seeks to better understand if and how the basic tenets of the land management frameworks could better shape and revise the challenges in outer space regulations. Findings Despite the fact that regulatory guidelines on outer space rights are existing, the analysis shows that these lack a number of practical tools and measures aiming at intervening if stakeholders do not follow the rules. With the use of land management frameworks, it is possible to derive policy options for making the outer space management more practical and action-oriented, in particular for the removal of space debris. These include amongst others more attention for formulating global public restrictions in outer space, incorporating regulatory guidelines for accessing open space regimes, addressing responsiveness and robustness in adherence and compliance to regulations Research limitations/implications Given the conceptual and discursive character of the paper, there are no specific empirical data, yet several recommendations for further research include expanding the boundary work between the land management and regulatory outer space domain. Practical implications The insights derived from land management and real estate related property theories could potentially provide new starting points for (re)formulating the regulatory framework for outer space property discourses. Social implications Interpreting the outer space regulations from known and practiced land management perspective helps to bridge the policy–society knowledge and necessity gap on outer space activities. Originality/value The specific land management perspective and discursive analysis on outer space debris provide new options for devising and extending regulatory guidelines for assigning responsibilities on outer space debris and debris rights, restrictions and responsibilities.

New space property age: at the crossroads of space commons, commodities and competition

Purpose In the absence of a clear property rights regime in outer space, commodification might bypass several legal considerations and instill a regime through customary practice, which could collide with international space law ethics, and thus, erode the corpus juris spatialis. The purpose of this paper is to find a way to prevent such an erosion. Design/methodology/approach Through an interdisciplinary review of the literature pertaining to space law, space property rights, economic goods, resources and commodities, this paper explores potential solutions to prevent further fragmentation of the corpus juris spatialis when confronted with the elusive transnational lex mercatoria dynamics and potential commodification of the space ecosystem. Findings This paper explores solutions to prevent this outcome through decentralized frameworks ranging from polycentric governance to a new “space antitrust” regime. Polycentric governance could prove very useful to address the plurality of space property rights and their complexity while space antitrust would not be precluded to intervene in a commoditized space market. Commodities benefited in the past from a certain antitrust immunity, however, due to globalization, technological development and deregulation, commodities have become more competitive, and therefore, the immunity is being gradually overturned. Originality/value This paper explores the benefits of unlocking antitrust potential forces into channeling, hand in hand with polycentricity, the development of the space ecosystem in light of international space law ethics. “Space antitrust” could become a discipline per se and better resonate with non-traditional stakeholders in the space sector in a context of commercialization and commodification of resources. Today, benefit-sharing causes debate among spacefaring nations in terms of property rights. However, it could be enforced through competition law dynamics.

Efficient Tuning-Free l1-Regression of Nonnegative Compressible Signals

In compressed sensing the goal is to recover a signal from as few as possible noisy, linear measurements with the general assumption that the signal has only a few non-zero entries. The recovery can be performed by multiple different decoders, however most of them rely on some tuning. Given an estimate for the noise level a common convex approach to recover the signal is basis pursuit denoising. If the measurement matrix has the robust null space property with respect to the ℓ2-norm, basis pursuit denoising obeys stable and robust recovery guarantees. In the case of unknown noise levels, nonnegative least squares recovers non-negative signals if the measurement matrix fulfills an additional property (sometimes called the M+-criterion). However, if the measurement matrix is the biadjacency matrix of a random left regular bipartite graph it obeys with a high probability the null space property with respect to the ℓ1-norm with optimal parameters. Therefore, we discuss non-negative least absolute deviation (NNLAD), which is free of tuning parameters. For these measurement matrices, we prove a uniform, stable and robust recovery guarantee. Such guarantees are important, since binary expander matrices are sparse and thus allow for fast sketching and recovery. We will further present a method to solve the NNLAD numerically and show that this is comparable to state of the art methods. Lastly, we explain how the NNLAD can be used for viral detection in the recent COVID-19 crisis.

The Frankel property for self-shrinkers from the viewpoint of elliptic PDEs

We show that two properly embedded self-shrinkers in Euclidean space that are sufficiently separated at infinity must intersect at a finite point. The proof is based on a localized version of the Reilly formula applied to a suitable f-harmonic function with controlled gradient. In the immersed case, a new direct proof of the generalized half-space property is also presented.

Nyelimut Dance Performance as An Expression of Ogan Tribe Culture in Ogan Komering Ulu Regency

Nyelimut dance is a characteristic of the Malay culture of South Sumatra, which was created based on the cultural spirit of the Ogan tribe who resides on the banks of the Ogan river, OKU Regency. Nyelimut dance is an adaptation of the Nyelimut tradition that was held when the Komering tribal wedding custom was held, Nyelimut tradition was performed after the covenant event that symbolizes the love of parents towards their children. The problem raised in this study aims to analyze the cultural expressions contained in the form of Nyelimut dance performances. The approach used is a qualitative method with a case study research design. Data collection techniques include observation, interview and document study. The results showed that the performance elements contained in the Nyelimut dance show some form of behavior that leads to goodness in social life. The moral message to be conveyed through Nyelimut dance is clearly seen in several movements arranged in Nyelimut dance. Then, Nyelimut dance performance form which consists of several dance elements namely elements of dance moves, space, property, accompaniment, make-up, fashion, and audience become a unified whole so as to create a good art performance and certainly reflect the local culture of the Ogan people who reside in OKU Regency.