cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Gracilinanus emiliae
Creators: name: Gardner, Alfred L.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Didelphimorphia
Didelphidae
Gracilinanus
Gracilinanus emiliae

description: Gracilinanus emiliae (Thomas, 1909). Ann. Mag. Nat. Hist., ser. 8, 3:379. TYPE LOCALITY: Brazil, "Para." DISTRIBUTION: NE Brazil. SYNONYMS: agricolai Moojen, 1943.
description: Published as part of Alfred L. Gardner, 1993, Order Didelphimorphia, pp. 15-23 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 17, DOI: 10.5281/zenodo.7353070
Sonnenfleckenzeichnung Nr. 130.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 27.06.2015, 10:15, erstellt von Andrea Manna
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
On the Metallicities of Kepler Stars
Creators: name: Dong, Subo
name: Zheng, Zheng
name: Zhu, Zhaohuan
name: De Cat, P.
name: Fu, J. N.
name: Yang, X. H.
name: Zhang, Haotong
name: Jin, Ge
name: Zhang, Yong
Publisher: name: arXiv
Year: 2013
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We use 12000 stars from Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) spectroscopic data to show that the metallicities of Kepler field stars as given in the Kepler Input Catalog (KIC) systematically underestimate both the true metallicity and the dynamic range of the Kepler sample. Specifically, to the first order approximation, we find [Fe/H]_KIC = -0.20 + 0.43 [Fe/H]_LAMOST, with a scatter of ~0.25 dex, due almost entirely to errors in KIC. This relation is most secure for -0.3200 comparison stars per 0.1 dex bin and good consistency is shown between metallicities determined by LAMOST and high-resolution spectra. It remains approximately valid in a slightly broader range. When the relation is inverted, the error in true metallicity as derived from KIC is (0.25 dex)/0.43~0.6 dex. We thereby quantitatively confirm the cautionary note by Brown et al. (2011) that KIC estimates of [Fe/H] should not be used by "anyone with a particular interest in stellar metallicities". Fortunately, many more LAMOST spectroscopic metallicities will be available in the near future.
CRISPR in the Classroom Network - Bringing CRISPR-Cas9 technologies to the undergraduate classroom: an undergraduate instructors' network (RCN Introduction)
Creators: name: Pattison, Donna
name: Wolyniak, Michael
name: Hoage, Tiffany
Publisher: name: QUBES Educational Resources
Year: 2023

description: Our RCN-UBE seeks to develop a national network for the development and implementation of experiential-based course modules for undergraduates centered around CRISPR-Cas9 technology through offering in-person workshops and an online resource repository.
Skewness, kurtosis and Newton's inequality
Creators: name: Sharma, R.
name: Bhandari, R.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics

description: We show that an inequality related to Newton's inequality provides one more relation between skewness and kurtosis. This also gives simple and alternative proofs of the bounds for skewness and kurtosis.
description: This paper has been withdrawn by the author due to personal reasons
Gracilinanus marica
Creators: name: Gardner, Alfred L.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Didelphimorphia
Didelphidae
Gracilinanus
Gracilinanus marica

description: Gracilinanus marica (Thomas, 1898) Ann. Mag. Nat. Hist., ser. 7, 1:455. TYPE LOCALITY: Venezuela, Mérida, " R. Albarregas." DISTRIBUTION: N Colombia and Venezuela.
description: Published as part of Alfred L. Gardner, 1993, Order Didelphimorphia, pp. 15-23 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 17, DOI: 10.5281/zenodo.7353070
Quantization ambiguities and bounds on geometric scalars in anisotropic loop quantum cosmology
Creators: name: Singh, Parampreet
name: Wilson-Ewing, Edward
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study quantization ambiguities in loop quantum cosmology that arise for space-times with non-zero spatial curvature and anisotropies. Motivated by lessons from different possible loop quantizations of the closed Friedmann-Lemaitre-Robertson-Walker cosmology, we find that using open holonomies of the extrinsic curvature, which due to gauge-fixing can be treated as a connection, leads to the same quantum geometry effects that are found in spatially flat cosmologies. More specifically, in contrast to the quantization based on open holonomies of the Ashtekar-Barbero connection, the expansion and shear scalars in the effective theories of the Bianchi type II and Bianchi type IX models have upper bounds, and these are in exact agreement with the bounds found in the effective theories of the Friedmann-Lemaitre-Robertson-Walker and Bianchi type I models in loop quantum cosmology. We also comment on some ambiguities present in the definition of inverse triad operators and their role.
description: 34 pages, v2: minor changes
Sonnenfleckenzeichnung Nr. 152.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 19.07.2015, 09:15, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Evaluation of Cyber Security Strategy to Protect Data in Fulfilment of NDPR Requirements for Small Businesses in Nigeria (A case study of 4 Small Businesses)
Creators: name: Ogunyemi, Olaoluwa
Publisher: name: Zenodo
Year: 2023
Subjects: Cybersecurity
Data Protection
Information system security
Information security
NDPR
Nigeria Data Protection Regulation
SME
Small businesses
small and medium scale business
hybrid framework
hybrid cybersecurity framework
Developing Country
Nigeria

description: This research explored the cybersecurity challenges and best practices for small businesses in Nigeria, which were vital for the economy but often overlooked their cybersecurity needs. The research interviewed small business owners and employees, reviewed the NDPR data protection standards, evaluated different cybersecurity frameworks, and created a hybrid framework that fit the Nigerian context. The research outcomes included a comprehensive analysis of the cybersecurity situation, a identification of the main issues and difficulties, and a provision of realistic and actionable suggestions for small businesses in Nigeria.
Perfect Codes in the Discrete Simplex
Creators: name: Kovačević, Mladen
name: Vukobratović, Dejan
Publisher: name: arXiv
Year: 2013
Subjects: subject: Information Theory (cs.IT)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Computer and information sciences
subject: 94B25, 05B40, 52C17, 05C12, 68R99

description: We study the problem of existence of (nontrivial) perfect codes in the discrete $ n $-simplex $ Δ_{\ell}^n := \left\{ \begin{pmatrix} x_0, \ldots, x_n \end{pmatrix} : x_i \in \mathbb{Z}_{+}, \sum_i x_i = \ell \right\} $ under $ \ell_1 $ metric. The problem is motivated by the so-called multiset codes, which have recently been introduced by the authors as appropriate constructs for error correction in the permutation channels. It is shown that $ e $-perfect codes in the $ 1 $-simplex $ Δ_{\ell}^1 $ exist for any $ \ell \geq 2e + 1 $, the $ 2 $-simplex $ Δ_{\ell}^2 $ admits an $ e $-perfect code if and only if $ \ell = 3e + 1 $, while there are no perfect codes in higher-dimensional simplices. In other words, perfect multiset codes exist only over binary and ternary alphabets.
description: 15 pages (single-column), 5 figures. Minor revisions made. Accepted for publication in Designs, Codes and Cryptography
Sonnenfleckenzeichnung Nr. 221.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 24.10.2015, 09:45, erstellt von Marco Cagnotti
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 4.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Sonnenfleckenzeichnung Nr. 260.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 07.12.2015, 11:15, erstellt von Andrea Manna
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Deconstructing $1/f$ noise and its universal crossover to non-$1/f$ behavior
Creators: name: Diaz, Sebastian A.
name: Di Ventra, Massimiliano
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Noise of stochastic processes whose power spectrum scales at low frequencies, $f$, as $1/f$ appears in such diverse systems that it is considered universal. However, there have been a small number of instances from completely unrelated fields, e.g., the fluctuations of the human heartbeat or vortices in superconductors, in which power spectra have been observed to cross over from a $1/f$ to a non-$1/f$ behavior at even lower frequencies. Here, we show that such crossover must be universal, and can be accounted for by the memory of initial conditions and the relaxation processes present in any physical system. When the smallest frequency allowed by the experimental observation time, $ω_{obs}$, is larger than the smallest relaxation frequency, $Ω_{min}$, a $1/f$ power spectral density is obtained. Conversely, when $ω_{obs}
description: 5 pages, 3 figures. Figure 3 replaced by numerical simulation results. Simulation details in section "Crossover to non-1/f behavior" of the paper
Oxidative Coal Dissolution a Systematic Study
Creators: Cantillo Olave, Cristhian Camilo
Publisher: name: University of Alberta Library
Year: 2023

The coal industry in Canada boasts abundant reserves, with significant potential for value addition through innovative processes. Oxidative coal dissolution (OCD) emerges as a promising method to generate high-value products from coal, using air as the oxidant, making it a cost-effective and environmentally favorable approach. This thesis focuses on evaluating the impact of critical operating parameters on OCD, seeking to enhance its efficiency and product selectivity for large-scale applications.

The research started with a comprehensive overview of coal composition, ranks, and properties, followed by an exploration of the oxidation process itself. The study narrows down the scope to oxygen in air as the oxidant and explores the engineering challenges associated with OCD, including different operating parameters such as oxidant type, oxidant availability, temperature, time, water-to-coal ratio, and pH control.

An initial set of experiments at atmospheric pressure with temperatures up to 95 °C revealed that OCD at low temperatures has limited carbon yield to liquid products. To overcome this, OCD reactions at elevated pressures of 5 MPa and temperatures ranging from 90 to 180 °C were conducted. These conditions significantly improve carbon yield to liquid products, providing a better understanding of carbon conversion and product distribution. However, overoxidation remains a challenge at higher temperatures and pressures, leading to increased carbon conversion to gaseous products. To address this issue, further experiments at 1 MPa pressure at same temperature range were performed, improving carbon selectivity to liquid products, though at the cost of decreased yield. It was found that the optimal selectivity and yield towards liquid products occur at 150 °C,

Additionally, an unexpected increase in heating value was observed in the residue product after OCD reactions at 90 °C, contradicting conventional expectations. To explore this phenomenon further, additional reactions were conducted using nitrogen instead of air, revealing that the decrease in the oxygen-to-carbon molar ratio responsible for the heating value increase is not solely attributed to the oxidative coal dissolution process. Instead, a hypothesis suggests that under specific reaction conditions, a portion of initially bonded oxygen within the coal molecule is liberated, possibly promoting the exudation of oxygen-rich organic compounds from the coal porous structure.
Continuous Multilevel Actions in Reinforcement Learning
Creators: Mitchell, Daniel
Publisher: name: University of Alberta Library
Year: 2023

Multilevel action selection is a reinforcement learning technique in which an action is broken into two parts, the type and the parameters. When using multilevel action selection in reinforcement learning, one must break the action space into multiple subsets. These subsets are typically disjoint and their union is equal to the original action space. When doing action selection, the subset, representing the action type, is chosen separately from the exact value of the action itself, the parameter values. The majority of research into multilevel action selection focuses on applying it to problems with conceptually distinct action types, such as robot soccer, where an agent can run, turn, tackle, or shoot. However, this is not the only application. In this thesis I focus on a different application of multilevel action selection, where I break down a simple one-dimensional action space into action types in order to focus on specific areas. The goal is to improve learning time by focusing on one area of the action space and disregarding all actions outside of that area, reducing the number of actions to search through. Once an agent has enough experience with actions from a type leading to poor return, it can generalize its experience to the entire action type and instead favour the other types which are more rewarding. I attempt to solve the mountain car and cart pole problems, which I chose for their simple action spaces with a conceptual difference between forwards and backwards thrust. I find that in these problems, multilevel action selection can improve the performance, measured by total return, of a reinforcement learning algorithm.
Sonnenfleckenzeichnung Nr. 62.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 02.04.2015, 07:00, erstellt von Marco Cagnotti
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Incarnations of Instantons
Creators: name: Nitta, Muneto
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Yang-Mills instantons in a pure Yang-Mills theory in four Euclidean space can be promoted to particle-like topological solitons in d=4+1 dimensional space-time. When coupled to Higgs fields, they transform themselves in the Higgs phase into Skyrmions, lumps and sine-Gordon kinks, with trapped inside a non-Abelian domain wall, non-Abelian vortex and monopole string, respectively. Here, we point out that a closed monopole string, non-Abelian vortex sheet and non-Abelian domain wall in $S^1$, $S^2$ and $S^3$ shapes, respectively, are all Yang-Mills instantons if their $S^1$, $S^2$ and $S^3$ moduli, respectively, are twisted along their world-volumes.
description: 17 pages, 3 figures, v2: published version
Sonnenfleckenzeichnung Nr. 63.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 03.04.2015, 07:45, erstellt von Andrea Manna
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Investigating Radiation in Combination with Oncolytic Vaccinia Virus to Improve the Treatment of Glioblastoma
Creators: Storozynsky, Quinn
Publisher: name: University of Alberta Library
Year: 2023

Glioblastoma (GBM) is a malignant and immune-suppressed brain cancer that remains incurable despite the current standard of care. Radiotherapy is a mainstay of GBM treatment, however invasive cancer cells outside the irradiated field and radioresistance preclude complete eradication of GBM cells. Further, radiation induces cellular senescence in GBM cells. Senescent cells cease proliferation but remain viable and are implicated in promoting tumor progression. Oncolytic virus (OV) therapy harnesses tumor-selective viruses to spread through and destroy tumors while stimulating antitumor immune responses, and thus has potential for use following radiotherapy. We demonstrate that oncolytic ΔF4LΔJ2R vaccinia virus (VACV) replicates in and induces cytotoxicity of irradiated brain tumor initiating cells in vitro. Importantly, a single 10 Gy dose of radiation combined with ΔF4LΔJ2R VACV produced considerably superior anticancer effects relative to either monotherapy when treating immune-competent orthotopic CT2A-luc mouse models–significantly extending survival and curing the majority of mice. Following intracranial tumor challenges, mice cured by the combination displayed significantly increased survival relative to naïve age-matched controls, with some complete rejections. Further, the combination therapy was associated with an increased ratio of CD8+ effector T cells to regulatory T cells compared to either monotherapy. Moreover, it is unknown how radiation-induced cellular senescence may impact the oncolytic properties of VACV-based OVs used in combination with radiotherapy. The interaction of viruses with senescent cells is nuanced; some viruses exploit the senescent state to their benefit, while others are hampered, indicating senescence-associated antiviral activity. To better understand this, we induced cellular senescence by treating GBM cells with radiation, and then evaluated the growth kinetics, infectivity, and cytotoxicity of oncolytic ∆F4L∆J2R VACV, as well as wild-type VACV for comparison, in irradiated senescence-enriched and non-irradiated human GBM cell lines. Our results show that both viruses display attenuated oncolytic activities in irradiated senescence-enriched GBM cell populations compared to non-irradiated controls. Taken together, these findings validate the use of radiation with an oncolytic ΔF4LΔJ2R VACV to improve treatment of this malignant brain cancer and indicate that radiation-induced cellular senescence is associated with antiviral activity–highlighting important considerations for the combination of VACV-based oncolytic therapies with senescence-inducing agents such as radiotherapy.
Sonnenfleckenzeichnung Nr. 42.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 04.03.2015, 09:15, erstellt von Marco Cagnotti
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 4.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Sonnenfleckenzeichnung Nr. 92.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 14.05.2015, 09:15, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Leveraging Off-Policy Prediction in Recurrent Networks for Reinforcement Learning
Creators: Schlegel, Matthew K
Publisher: name: University of Alberta Library
Year: 2023

Partial observability---when the senses lack enough detail to make an optimal decision---is the reality of any decision making agent acting in the real world. While an agent could be made to make due with its available senses, taking advantage of the history of senses can provide more context and enable the agent to make better decisions. This thesis investigates recurrent architectures to learn agent state (a summarization of the agent's history), and identifies some modifications---inspired by predictive representations of state---to enable efficient learning in (continual) reinforcement learning. First, I contribute to standard recurrent neural networks trained through back-propagation through time. This contribution provides pragmatic recommendations for incorporating action information into a recurrent architecture, and through extensive empirical investigations shows the trade-offs of several techniques. Second, I develop a recurrent predictive architecture which uses temporal abstractions---predictions in the form of general value functions---as the basis for its state representation. I show advantages of this architecture over standard recurrent networks in a continuing reinforcement learning domain, derive an objective and corresponding learning algorithm, and discuss several added concerns when using this architecture---such as discovery, what types of networks can be constructed, and off-policy prediction.
Relaxation of Bose-Einstein Condensates of Magnons in Magneto-Textural Traps in Superfluid $^3$He-B
Creators: name: Heikkinen, P. J.
name: Autti, S.
name: Eltsov, V. B.
name: Hosio, J. J.
name: Krusius, M.
name: Zavjalov, V. V.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In superfluid $^3$He-B externally pumped quantized spin-wave excitations or magnons spontaneously form a Bose-Einstein condensate in a 3-dimensional trap created with the order-parameter texture and a shallow minimum in the polarizing field. The condensation is manifested by coherent precession of the magnetization with a common frequency in a large volume. The trap shape is controlled by the profile of the applied magnetic field and by the condensate itself via the spin-orbit interaction. The trapping potential can be experimentally determined with the spectroscopy of the magnon levels in the trap. We have measured the decay of the ground state condensates after switching off the pumping in the temperature range $(0.14÷0.2)T_{\mathrm{c}}$. Two contributions to the relaxation are identified: (1) spin-diffusion with the diffusion coefficient proportional to the density of thermal quasiparticles and (2) the approximately temperature-independent radiation damping caused by the losses in the NMR pick-up circuit. The measured dependence of the relaxation on the shape of the trapping potential is in a good agreement with our calculations based on the magnetic field profile and the magnon-modified texture. Our values for the spin diffusion coefficient at low temperatures agree with the theoretical prediction and earlier measurements at temperatures above $0.5T_{\mathrm{c}}$.
description: 15 pages, 6 figures, manuscript prepared for International Symposium on Quantum Fluids and Solids 2013. The final publication is available at http://link.springer.com/article/10.1007/s10909-013-0946-y
Gracilinanus microtarsus
Creators: name: Gardner, Alfred L.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Didelphimorphia
Didelphidae
Gracilinanus
Gracilinanus microtarsus

description: Gracilinanus microtarsus (Wagner, 1842). Arch. Naturgesch., 8(1):359. TYPE LOCALITY: Brazil, Sâo Paulo, "Ypanema." DISTRIBUTION: SE Brazil. SYNONYMS: guahybae Tate, 1931; herhardti Miranda-Ribeiro, 1936.
description: Published as part of Alfred L. Gardner, 1993, Order Didelphimorphia, pp. 15-23 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 17, DOI: 10.5281/zenodo.7353070
Dynamics of entanglement in a dissipative Bose-Hubbard dimer
Creators: name: Pudlik, Tadeusz
name: Hennig, Holger
name: Witthaut, D.
name: Campbell, David K.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We study the connection between the semiclassical phase space of the Bose--Hubbard dimer and inherently quantum phenomena in this model, such as entanglement and dissipation-induced coherence. Near the semiclassical self-trapping fixed points, the dynamics of EPR entanglement and condensate fraction consists of beats among just three eigenstates. Since persistent EPR entangled states arise only in the neighborhood of these fixed points, our analysis explains essentially all of the entanglement dynamics in the system. We derive accurate analytical approximations by expanding about the strong-coupling limit; surprisingly, their realm of validity is nearly the entire parameter space for which the self-trapping fixed points exist. Finally, we show significant enhancement of entanglement can be produced by applying localized dissipation.
description: 12 pages, 9 figures. Published in Physical Review A. For supplemental materials, see https://www.dropbox.com/sh/vm8mg7d06o1vnl2/Kf3sBlRV_N
Multifunctional Carbazole-Based Materials as Electrochemical Water Splitting and Photoredox Catalysis
Creators: Liu, Jinkun
Publisher: name: University of Alberta Library
Year: 2023

The combustion of fossil fuels releases carbon dioxide and other harmful greenhouse gases into our living atmosphere, which traps heating and causes global warming. Renewable energy, however, can help solve the problem above by producing far fewer greenhouse gases. Renewable energy is a general term for any form of naturally replenishable energy, such as sunlight, wind, waves, or heat of the earth. Converting sunlight or electricity into chemical bond energy has several advantages. One of these benefits is the ability to store clean energy for later use. Another merit is the ability to convert chemicals into more valuable products. This dissertation includes synthesis, characterization, usage, and explanation of catalysts or electrodes for water oxidation, and photoreaction.

The second part of the thesis describes that the electrolysis of water to form hydrogen and oxygen is a promising method to store renewable energy. This method requires electrodes that convert water into protons, electrons, and oxygen. We report a multifunctional polymer that conducts electrons, ions, and may co-react with the metal ions in an oxygen evolution reaction (OER). The electrodes were prepared in two steps from off-the-shelf reagents. They operate with low loadings of abundant catalysts, and are among the most active (100 mA cm-2 at 1.43 V vs. RHE (1.41 V, iR corrected), and stable reported to date under harsh conditions (85 °C, 6 M KOH, 120 h (0.69 % loss over the first 14.5 h, then 0.61 % loss over 105.5 h). Control experiments on glassy carbon electrodes showed that the polycarbazole system significantly outperformed a Nafion system of the same catalyst loading. This simple strategy can be applied to other types of electrodes.

The next part of the thesis reports the study of the first direct electropolymerization of a dicyanobenzene-carbazole dye functionalized with an imidazole group to prepare redox- and photoactive porous organic polymer (POP) films with a controlled amount. The POP films were grown on indium-doped tin oxide (ITO) and carbon surfaces using a new monomer, 1-imidazole-2,4,6-tri(carbazol-9-yl)-3,5-dicyanobenzene (3CzImIPN), through a simple one-step process. The structure and activities of the POP films were investigated as photoelectrodes for electrooxidations, as heterogeneous photocatalysts for photosynthetic olefin isomerizations, and their solid-state photoluminescence behavior tunable by lithium-ion concentrations in solution. The results demonstrate that the photoredox-POPs can be used as efficient photocatalysts and have potential applications in sensing.
Lestodelphys Tate 1934
Creators: name: Gardner, Alfred L.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Didelphimorphia
Didelphidae
Lestodelphys

description: Lestodelphys Tate, 1934. J. Mammal., 15:154. TYPE SPECIES: Notodelphys halli Thomas, 1921, by original designation. SYNONYMS: Notodelphys Thomas, 1921 (preoccupied). COMMENTS: Monotypic.
description: Published as part of Alfred L. Gardner, 1993, Order Didelphimorphia, pp. 15-23 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 17, DOI: 10.5281/zenodo.7353070
Sonnenfleckenzeichnung Nr. 256.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 02.12.2015, 09:45, erstellt von Marco Cagnotti
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Incorporating ‘Nudge’ in Agri-environmental Program Design to Stimulate BMP Adoption: Does It Work?
Creators: Chowdhury, Susmita
Publisher: name: University of Alberta Library
Year: 2023

Sustainable agriculture refers to an environmentally friendly agriculture sector that ensures safe production for both current and future generations. To address climate change’s impact on Canadian agricultural production and mitigate the harmful environmental effects of agriculture, promoting Best Management Practices (BMPs) is a proposed strategy by researchers. Agri-environmental programs and policies are used to motivate farmers to adopt BMPs. However, there is still a lack of research on how to design those programs to achieve the optimum level of participation. In this thesis, I use a two-paper approach to analyze whether behavioral nudges can effectively encourage farmers toward adoption.

The first paper (chapter 2) presents an extensive literature review focusing on behavioral factors in BMP adoption and evidence of using behavioral nudges in the agri-environmental sector. The findings reveal that several behavioral factors could impact farmers’ decision-making regarding BMPs. It also suggests that applying behavioral nudges might effectively help design agri-environmental policies in Canada.

The second paper (chapter 3) empirically examines whether incorporating different nudges in agri-environmental program designs can influence Saskatchewan farmers’ participation in those programs. Data for this paper was collected from a large-scale survey conducted on 500 Saskatchewan farmers in 2021. A vignette experiment is used to investigate how farmers rate different hypothetical programs. The results show that although nudges have some positive influence, monetary incentives significantly impact farmers’ decisions to participate in the programs. In this paper, I also analyzed Saskatchewan farmers’ current BMP adoption scenario and discussed their participation in the Environmental Farm Plan (EFP).
Parity odd equilibrium partition function in 2+1 dimensions
Creators: name: Mañes, Juan L.
name: Valle, Manuel
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We use Schwinger's proper time method to compute the parity odd contributions to the U(1) current and energy-momentum tensor of an ideal gas of fermions in 2+1 dimensions in the presence of static gauge and gravitational backgrounds. From these results the equilibrium partition function at first order in the derivative expansion is explicitly obtained by integration. The form of the computed partition function is consistent with general arguments based on Kaluza-Klein and gauge invariance.
description: 16 pages. 1 reference added, typo in Eq. (3.34) corrected. Matches journal version
Sonnenfleckenzeichnung Nr. 36.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 23.02.2015, 09:30, erstellt von Marco Cagnotti
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Spin rectification in thermally driven XXZ spin chain via the spin-Seebeck effect
Creators: name: Thingna, Juzar
name: Wang, Jian-Sheng
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the phenomenon of spin-current rectification in a one-dimensional XXZ spin chain in the presence of a thermal drive. In our model a pure spin current is generated by a temperature difference between two harmonic heat baths which in turn creates a spin voltage via the spin-Seebeck effect. Along with a local spin-current operator definition and the nonequilibrium modified Redfield solution we study the spin-rectification ratio as a function of system size and external magnetic field. Intriguing effects are observed at low temperatures such as oscillations with system size and high range of tunability with external magnetic field making magnetic insulators, which are well described by the XXZ model, ideal candidates to build spin devices based on rectification.
description: 7 pages, 3 figures. Several parts of the ms. have been revised and important references have been added. The part on the effect of magnetic field on the rectification ratio has been revised, taking spinons as the carriers of spin current. This version has been accepted by EPL
Sonnenfleckenzeichnung Nr. 119.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 16.06.2015, 10:30, erstellt von Sergio Cortesi
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Sonnenfleckenzeichnung Nr. 220.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 23.10.2015, 07:15, erstellt von Marco Cagnotti
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 2.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)
Linear Estimating Equations for Exponential Families with Application to Gaussian Linear Concentration Models
Creators: name: Forbes, Peter G. M.
name: Lauritzen, Steffen
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62H12, 62F10

description: In many families of distributions, maximum likelihood estimation is intractable because the normalization constant for the density which enters into the likelihood function is not easily available. The score matching estimator of Hyvärinen (2005) provides an alternative where this normalization constant is not required. The corresponding estimating equations become linear for an exponential family. The score matching estimator is shown to be consistent and asymptotically normally distributed for such models, although not necessarily efficient. Gaussian linear concentration models are examples of such families. For linear concentration models that are also linear in the covariance we show that the score matching estimator is identical to the maximum likelihood estimator, hence in such cases it is also efficient. Gaussian graphical models and graphical models with symmetries form particularly interesting subclasses of linear concentration models and we investigate the potential use of the score matching estimator for this case.
BiFlowCluster
Creators: name: Liu, Wenkai
Publisher: name: figshare
Year: 2022
Subjects: Uncategorized

description: This is the data and code for the paper “A network-constrained clustering method for bivariate origin-destination movement data” accepted for publication in International Journal of Geographical Information Science (ISSN: 1365-8816 (Print),1362-3087 (Online), Journal homepage: https://www.tandfonline.com/loi/tgis20). This study was funded through support from National Science Foundation of China (NSFC) (No. 41730105, 42271484, and 41971353) and Natural Science Foundation of Hunan Province (No.2021JJ20058 and 2020JJ4695)
Quantum Interactions with Closed Timelike Curves and Superluminal Signaling
Creators: name: Bub, Jeffrey
name: Stairs, Allen
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: There is now a significant body of results on quantum interactions with closed timelike curves (CTCs) in the quantum information literature, for both the Deutsch model of CTC interactions (D-CTCs) and the projective model (P-CTCs). As a consequence, there is a prima facie argument exploiting entanglement that CTC interactions would enable superluminal and, indeed, effectively instantaneous signaling. In cases of spacelike separation between the sender of a signal and the receiver, whether a receiver measures the local part of an entangled state or a disentangled state to access the signal can depend on the reference frame. We propose a consistency condition that gives priority to either an entangled perspective or a disentangled perspective in spacelike separated scenarios. For D-CTC interactions, the consistency condition gives priority to frames of reference in which the state is disentangled, while for P-CTC interactions the condition selects the entangled state. Using the consistency condition, we show that there is a procedure that allows Alice to signal to Bob in the past via relayed superluminal communications between spacelike separated Alice and Clio, and spacelike separated Clio and Bob. This opens the door to time travel paradoxes in the classical domain. Ralph (arXiv:1107.4675) first pointed this out for P-CTCs, but we show that Ralph's procedure for a 'radio to the past' is flawed. Since both D-CTCs and P-CTCs allow classical information to be sent around a spacetime loop, it follows from a result by Aaronson and Watrous (Proc.Roy.Soc.A, 465:631-647 (2009)) for CTC-enhanced classical computation that a quantum computer with access to P-CTCs would have the power of PSPACE, equivalent to a D-CTC-enhanced quantum computer.
description: 8 pages, 3 figures. Revised version of paper presented at conference 'Quantum Mechanics Seen Through Closed Timelike Curves,' Fondation des Treilles, France, June 24--28, 2013. Version 4 corrects some typos, adds reference to paper by C.H. Bennett et al. Selected by editors of Physical Review as Editor's Choice
Visual Navigation for Autonomous Material Deposition Systems Using Remote Sensing
Creators: Maleki, Soroush
Publisher: name: University of Alberta Library
Year: 2023

In this work, a novel visual navigation method is proposed to estimate the state of mobile and fixed cold-spray material deposition systems using a stereocamera sensor installed in the workspace. Unlike other visual localization algorithms that exploit costly onboard sensors such as LiDARs or fully rely on distinct visual cues on the robot and grid markers in the environment, our method significantly reduces the cost and complexity of the sensory setup by utilizing a cost-effective remote stereo vision system. This allows for the localization of the target system regardless of its appearance or the environment and enables scalability for tracking and operation of multiple mobile material deposition systems at the same time. To achieve this aim, deep neural networks, kinematic constraints, and learning-aided state observers are employed to detect and estimate the location and orientation of the deposition system. A physical model of the system is fused with a remote visual sensing module and is proposed. This accounts for frames in which depth estimation accuracy is reduced due to perceptually degraded conditions in the cold spraying context. The visual state estimation algorithm is evaluated on a fixed and mobile setup that demonstrates the accuracy and reliability of the proposed method. Moreover, a model predictive controller is formulated, designed, and implemented to enable the task of autonomous mobile robot trajectory tracking. The architecture of the model predictive controller incorporates essential kinematic constraints, input bounds, and control input smoothness, thereby ensuring the generation of a feasible input for the autonomous mobile material deposition system to seamlessly trace a predefined trajectory. A comprehensive comparative analysis is conducted between this model predictive controller and its PID counterpart, encompassing a rigorous evaluation through a series of simulated and real-world tests, aiming to elucidate their respective performances and characteristics.
Sonnenfleckenzeichnung Nr. 156.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 23.07.2015, 07:45, erstellt von Marco Cagnotti
Creators: name: Observatorium Specola Solare Ticinese Locarno (1957 bis 1980 Teil der Eidgenössischen Sternwarte der ETH Zürich)
Publisher: name: [s.n.]
Year: 2015

description: Bleistiftzeichnung mit schwarzer Farbe und Bleistift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf einem eigenen Vordruck. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite. Bildqualität (SIDC): 3.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert.
Beobachtungstätigkeit unter eigenständiger Leitung (Associazione Specola Solare Ticinese ASST)