cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Algorithmen als Dreh- & Angelpunkt – Eine Analyse der Tätigkeiten in der Numerik
Creators: name: Burr, Laura
Publisher: name: Gesellschaft für Didaktik der Mathematik
Year: 2023
Subjects: subject: Numerische Mathematik
subject: Prozesse und Arbeitsweisen von Mathematik-Studierenden
subject: Algorithmen
subject: Numerische Methoden
subject: Numerik
subject: Stoffdidaktik
subject: Kompetenzmodellierung
subject: Fortgeschrittene Hochschulmathematik
subject: 510

description: Numerische Mathematik, kurz Numerik, beschäftigt sich als Teilgebiet der Angewandten Mathematik bei der Lösung mathematischer Problemstellungen unter anderem mit der Entwicklung von Algorithmen und deren Analyse (Harbrecht, 2022). In den letzten Jahren wurden vermehrt innovative und meist technologiegestützte Lehr- und Lernkonzepte für Lehrveranstaltungen der Numerik entwickelt (z.B. Bishop, 2013; Martín-Caraballo & Tenorio-Villalón, 2015). Häufig werden hierbei jedoch Numerik-Kurse in ingenieurwissenschaftlichen Studiengängen betrachtet. Beiträge, die sich auf Numerik- Veranstaltungen für Mathematik-Studierende beziehen, fokussieren sich mehrheitlich auf das Lehren numerischer Methoden (z.B. Wang, 2004). Obwohl Kurse zur Numerik mittlerweile (fester) Bestandteil vieler mathematischer Studiengänge sind, steht die Untersuchung der intendierten Tätigkeiten der Studierenden in diesen Lehrveranstaltungen und der daraus resultierenden Kompetenzen noch aus. Da die Literatur zu den Tätigkeiten in der Numerik bislang lediglich Hinweise liefert, scheint es angebracht zu sein, zunächst zu untersuchen, welche Charakteristiken die Numerik kennzeichnen und inwiefern sie sich von anderen mathematischen Disziplinen unterscheidet.
Absolute and relative stability of an optical frequency reference based on spectral hole burning in Eu$^{3+}$:Y$_2$SiO$_5$
Creators: name: Leibrandt, David R.
name: Thorpe, Michael J.
name: Chou, Chin-Wen
name: Fortier, Tara M.
name: Diddams, Scott A.
name: Rosenband, Till
Publisher: name: arXiv
Year: 2013
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We present and analyze four frequency measurements designed to characterize the performance of an optical frequency reference based on spectral hole burning in \EuYSO. The first frequency comparison, between a single unperturbed spectral hole and a hydrogen maser, demonstrates a fractional frequency drift rate of $5 \times 10^{-18}$ s$^{-1}$. Optical-frequency comparisons between a pattern of spectral holes, a Fabry-Pérot cavity, and an Al$^+$ optical atomic clock show a short-term fractional frequency stability of $1 \times10^{-15} τ^{-1/2}$ that averages down to $2.5^{+1.1}_{-0.5} \times 10^{-16}$ at $τ= 540~s$ (with linear frequency drift removed). Finally, spectral hole patterns in two different \EuYSO crystals located in the same cryogenic vessel are compared, yielding a short-term stability of $7 \times10^{-16} τ^{-1/2}$ that averages down to $5.5^{+1.8}_{-0.9} \times 10^{-17}$ at $τ= 204$~s (with quadratic frequency drift removed).
description: 5 pages, 4 figures
Murexia rothschildi
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Murexia
Murexia rothschildi

description: Murexia rothschildi (Tate, 1938). Nov. Zool., 41:58. TYPE LOCALITY: Papua New Guinea, Central Prov., head of Aroa River, about 1220 m. DISTRIBUTION: SE New Guinea. STATUS: Uncommon.
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 32, DOI: 10.5281/zenodo.7353066
Finite-size scaling in unbiased translocation dynamics
Creators: name: Brandani, Giovanni
name: Baldovin, Fulvio
name: Orlandini, Enzo
name: Stella, Attilio L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Finite-size scaling arguments naturally lead us to introduce a coordinate-dependent diffusion coefficient in a Fokker-Planck description of the late stage dynamics of unbiased polymer translocation through a membrane pore. The solution for the probability density function of the chemical coordinate matches the initial-stage subdiffusive regime and takes into account the equilibrium entropic drive. Precise scaling relations connect the subdiffusion exponent to the divergence with the polymer length of the translocation time, and also to the singularity of the probability density function at the absorbing boundaries. Quantitative comparisons with numerical simulation data in $d=2$ strongly support the validity of the model and of the predicted scalings.
description: Text revision. Supplemental Material added
Aspekte und Vorstellungen vom komplexen Wegintegral
Creators: name: Hanke, Erik
Publisher: name: Gesellschaft für Didaktik der Mathematik
Year: 2023
Subjects: subject: Funktionentheorie
subject: Vorstellungen
subject: Aspekte
subject: Commognition
subject: Expert*innen
subject: 510

description: Für zentrale Konzepte aus der reellen Analysis wie das (Riemann-)Integral stellt die fachdidaktische Forschung und Lehrwerksliteratur bereits seit Langem zahlreiche fachliche und anschauliche Zugänge bereit (z.B. Greefrath et al., 2016). Für die Funktionentheorie, insbesondere das komplexe Wegintegral, gibt es bislang nur vereinzelte Beiträge (z.B. Oehrtman et al., 2019; Hancock, 2018; Hanke, 2020a). Da die Funktionentheorie aber in verschiedenen mathematischen Studiengängen vorkommt (auch in der Lehramtsausbildung und in Service-Veranstaltungen), stellt sich die Frage nach fachlichen sowie vorstellungsorientierten Zugängen zu den „komplexen“ Versionen der Konzepte, die Studierende zuvor „reell“ kennenlernen. Die Ergebnisse der einzigen bisher verfügbaren Fallstudie (Oehrtman et al., 2019) und meine Forschung (Hanke, 2020a) deuten jedoch darauf hin, dass selbst Expert*innen inhaltlich-anschauliche Vorstellungen vom komplexen Wegintegral eher fehlen. In meinem Forschungsprojekt widme ich mich daher neben einer fachlich-epistemologischen Klärung des komplexen Wegintegrals auch der deskriptiven Erschließung von Vorstellungen seitens Expert* innen. Da zudem wenig geklärt ist, wie mathematische Vorstellungen zu fortgeschrittenen hochschulmathematischen Inhalten überhaupt aussehen können, wurde für ihre Erschließung ein diskursiver Zugang (Sfard, 2008) gewählt. Insofern plädiert dieser Beitrag auf theoretischer Ebene dafür, „diskursive Vorstellungen“ zu einem Gegenstand hochschulmathematikdidaktischer Forschung zu machen, auch wenn die Kombination von „Vorstellungen“ und „Diskurs“ auf den ersten Blick ein Oxymoron zu sein scheint (Hanke, 2020a, 2020b). In meinem Beitrag gehe ich daher folgender komplementär gedachten Fragestellung nach: „Wie sehen Aspekte und Vorstellungen für das komplexe Wegintegral aus?“
Clustering in the Phase Space of Dark Matter Haloes. II. Stable Clustering and Dark Matter Annihilation
Creators: name: Zavala, Jesus
name: Afshordi, Niayesh
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present a model for the structure of the particle phase space average density ($P^2SAD$) in galactic haloes, introduced recently as a novel measure of the clustering of dark matter. Our model is based on the stable clustering hypothesis in phase space, the spherical collapse model, and tidal disruption of substructures, which is calibrated against the Aquarius simulations. Using this model, we can predict the behaviour of $P^2SAD$ in the numerically unresolved regime, down to the decoupling mass limit of generic WIMP models. This prediction can be used to estimate signals sensitive to the small scale structure of dark matter. For example, the dark matter annihilation rate can be estimated for arbitrary velocity-dependent cross sections in a convenient way using a limit of $P^2SAD$ to zero separation in physical space. We illustrate our method by computing the global and local subhalo annihilation boost to that of the smooth dark matter distribution in a Milky-Way-size halo. Two cases are considered, one where the cross section is velocity independent and one that approximates Sommerfeld-enhanced models. We find that the global boost is $\sim10-30$, which is at the low end of current estimates (weakening expectations of large extragalactic signals), while the boost at the solar radius is below the percent level. We make our code to compute $P^2SAD$ publicly available, which can be used to estimate various observables that probe the nanostructure of dark matter haloes.
description: 12 pages, 7 figures, version published in MNRAS (minor corrections), publicly available code in IDL at http://spaces.perimeterinstitute.ca/p2sad/
Zwischen Entwickeln und Implementieren – Übungs- und Klausuraufgaben in Numerik-Veranstaltungen
Creators: name: Plangg, Simon
name: Burr, Laura
name: Milicic, Gregor
Publisher: name: Gesellschaft für Didaktik der Mathematik
Year: 2023
Subjects: subject: Hochschulmathematik
subject: Arbeitsweisen und Prozesse in der Numerik
subject: Übungs- und Klausuraufgaben
subject: Hochschuldidaktik
subject: Stoffdidaktik
subject: Kompetenzmodellierung
subject: Fortgeschrittene Hochschulmathematik
subject: 510

description: Übungsaufgaben spielen im Mathematikstudium eine herausragende Rolle. Sie strukturieren die Arbeit der Studierenden und sind fixer Bestandteil von vielen Lehrveranstaltungen. Der Zweck von Übungsaufgaben ist vielschichtig und umfasst das Nacharbeiten und Lernen von Vorlesungsinhalten als auch die Überprüfung, ob diese Inhalte im Sinn einer ‚Klausurzulassung‘ bereits ausreichend verstanden wurden (Rach, 2014). Aus der Sicht der Lehrenden sind Aufgaben vor allem ein Mittel zur Operationalisierung von Lernzielen (Wittmann, 1981). Letztlich wird damit auch das an die Studierenden herangetragene Bild von Mathematik und im Speziellen auch jenes von der Numerik mitbestimmt. Dass diese Lernziele im Rahmen der Hochschulmathematik bislang kaum empirisch untersucht sind, zeigen Weber und Lindemeier (2020). Dies trifft insbesondere auch auf einführende Lehrveranstaltungen zur Numerik zu.
The GenePattern Gateway for Genomic Medicine: Containerized cloud hybrid computing for biologists
Creators: name: Ted Liefeld, Thorin Tabor
Publisher: name: Zenodo
Year: 2022
Subjects: GenePattern Gateway HPC bioinformatics genomics

description: Over the last two decades, research in biology has become increasingly demanding of compute resources. For example, gene expression analysis has evolved from single gene assays containing a small number of values, to single-cell RNA sequencing experiments producing matrices representing millions of individual cells, each with tens of thousands of transcript expression values. Biological researchers with many years of study in their fields now need access to high performance compute (HPC) clusters to analyze their data. However the use and programming of HPC systems is a specialized skill that requires training outside the scope of what most biologists receive. GenePattern, www.genepattern.org, is a gateway providing implicit access to HPC systems for biologists and other non-programming scientists. It includes access to hundreds of tools for the analysis and visualization of multiple genomic data types. GenePattern has a web-based interface to provide easy access to these tools and allows the creation of multi-step analysis pipelines that enable reproducible in silico research. In recognition of the success of the electronic notebook, we have also released the GenePattern Notebook Environment, which extends the power of GenePattern in a Jupyter-based environment. The publicly available GenePattern servers currently support thousands of users and up to tens of thousands of analyses each month.  To handle the scope and scale of modern genomic analyses, the GenePattern gateway uses a cloud hybrid model where analyses are distributed to public cloud HPC systems such as AWS Batch as well as academic HPC clusters such as the Expanse cluster at the San Diego Supercomputer Center. Management of jobs and the distribution of jobs to HPC are handled by the GenePattern server, allowing the biologists to focus on their data and its analysis.  To manage configuration of the analyses across disparate HPC systems, GenePattern has embraced container-based systems. This has allowed GenePattern to support over 250 different analyses written in multiple programming languages. Here again GenePattern uses a hybrid model where different container systems including Docker and Singularity can be used, and in some case
Universal scaling properties of extremal cohesive holographic phases
Creators: name: Goutéraux, B.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We show that strongly-coupled, translation-invariant holographic IR phases at finite density can be classified according to the scaling behaviour of the metric, the electric potential and the electric flux introducing four critical exponents, independently of the details of the setup. Solutions fall into two classes, depending on whether they break relativistic symmetry or not. The critical exponents determine key properties of these phases, like thermodynamic stability, the (ir)relevant deformations around them, the low-frequency scaling of the optical conductivity and the nature of the spectrum for electric perturbations. We also study the scaling behaviour of the electric flux through bulk minimal surfaces using the Hartnoll-Radicevic order parameter, and characterize the deviation from the Ryu-Takayanagi prescription in terms of the critical exponents.
description: v4: corrected a typo in eqn (3.29), now (3.28). Conclusions unchanged
Ist die Numerik im Lehramtsstudium angezählt? – Zentrale Ideen als Bindeglied zwischen Hochschule und Schule
Creators: name: Titz, Marvin
Publisher: name: Gesellschaft für Didaktik der Mathematik
Year: 2023
Subjects: subject: Numerik
subject: Lehramtsausbildung
subject: Lehre
subject: Zentrale Ideen
subject: Stoffdidaktik
subject: Kompetenzmodellierung
subject: Fortgeschrittene Hochschulmathematik
subject: 510

description: Der Stellenwert der numerischen Mathematik in den mathematischen Lehramtsstudiengängen in Nordrhein-Westfalen ist je nach Universität sehr unterschiedlich und mancherorts einem wiederholten Wandel unterworfen. In vielen gymnasialen Lehramtsstudiengängen existieren Lehrveranstaltungen zur numerischen Mathematik nur im Wahlbereich oder sie wurden sogar vollständig aus dem fachlichen Studienanteil gestrichen. Ungeachtet dieser Entwicklungen steht die Numerik weiterhin in den empfohlenen Bildungsstandards für die Lehrerbildung (DMV, GDM, MNU, 2008). Zudem hat sie eine hohe Bedeutung für die angewandte Mathematik, sodass eine vertiefte Behandlung einer Abrundung des Mathematikbilds zuträglich ist. Vor diesem Hintergrund stellen sich die Fragen (1.) ob eine intensive Auseinandersetzung mit der numerischen Mathematik für (werdende) Lehrkräfte überhaupt als sinnvoll erachtet werden kann und (2.) wie Bezüge zwischen Hochschul- und Schulmathematik in diesem Kontext gestaltet werden können.
Myoictis Gray 1858
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Myoictis

description: Myoictis Gray, 1858. Proc. Zool. Soc. Lond., 1858: 112. TYPE SPECIES: Myoictis wallacei Gray, 1858 (= Phascogale mêlas Müller, 1840).
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 32, DOI: 10.5281/zenodo.7353066
Tunneling and Relaxation of Single Quasiparticles in a Normal-Superconductor-Normal Single Electron Transistor
Creators: name: Heimes, Andreas
name: Maisi, Ville F.
name: Golubev, Dmitri S.
name: Marthaler, Michael
name: Schön, Gerd
name: Pekola, Jukka P.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigate the properties of a hybrid single electron transistor, involving a small superconducting island sandwiched between normal metal leads, which is driven by dc plus ac voltages. In order to describe its properties we derive from the microscopic theory a set of coupled equations. They consist of a master equation for the probability to find excess charges on the island, with rates depending on the distribution of non-equilibrium quasiparticles. Their dynamics follows from a kinetic equation which accounts for the excitation by single-electron tunneling as well as the relaxation and eventual recombination due to the interaction with phonons. Our low-temperature results compare well with recent experimental findings obtained for ac-driven hybrid single-electron turnstiles.
description: 13 pages, 7 figures
Myoictis melas
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Myoictis
Myoictis melas

description: Myoictis mêlas (Müller, 1840). In Temminck, Verh. Nat. Ges. Ned. Overz. Bezitt., Land-en Volkenkunde, p. 20 (1840], see comments. TYPE LOCALITY: "Nieuw-Guinea, in de triton's baai (op 3°39'Z. breedte)" = Indonesia, Irian Jaya, Fakfak Div., Lobo Dist., near Triton Bay, Mt. Lamantsjieri. DISTRIBUTION: New Guinea; Salawati Isl and Aru Isis (Indonesia). STATUS: Rare. SYNONYMS: bruijni, pilicauda, senex, thorbeckiana, wallacei, wavicus. COMMENTS: This species was further described by Müller and Schlegel, in Temminck, Verh. Nat. Gesch. Nederland. Overz. Bezitt., Zool., Mammalia, p. 149[1845], pl. 25 J 1843J.
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on pages 32-33, DOI: 10.5281/zenodo.7353066
Neophascogale Stein 1933
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Neophascogale

description: Neophascogale Stein, 1933. Z. Säugetierk., 8:87. TYPE SPECIES: Phascogale venusta Thomas, 1921.
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 33, DOI: 10.5281/zenodo.7353066
Neophascogale lorentzi
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Neophascogale
Neophascogale lorentzi

description: Neophascogale lorentzi (Jentink, 1911). Notes Leyden Mus., 33:234. TYPE LOCALITY: Indonesia, Irian Jaya, Djajawidjaja (= Jayawijaya) Div., Helwig Mtns, south of Mt. Wilhelmina, 2600 m. DISTRIBUTION: C New Guinea (highlands). STATUS: Uncommon. SYNONYMS: nouhuysii, rubrata, venusta.
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 33, DOI: 10.5281/zenodo.7353066
Decisive test of color coherence in proton-nucleus collisions at the LHC
Creators: name: Bzdak, Adam
name: Skokov, Vladimir
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Proton-nucleus collisions (p+A) at LHC energies provide a rigorous test of the Color Glass Condensate (CGC), a model proposed to describe the high energy limit of Quantum Chromodynamics. In the CGC the average multiplicity of charged particles at midrapidity in p+A collisions depends logarithmically on the number of participants, $N_{part}$. In contrast, the Wounded Nucleon Model (WNM) of independent nucleon-nucleon scatterings, verified at RHIC energies, predicts that multiplicity in p+A depends linearly on $N_{part}$. We argue that for the first time, the dependence of mean multiplicity on $N_{part}$ in p+A collisions at LHC energies can single out a model of particle production, thus offering a stringent test of the CGC and the WNM. Based on this observation we propose a novel experimental test of color coherence in p+A collisions.
description: 5 pages, 4 figures; version accepted for publication, minor changes
2011-Radouane_Yafia-A Study of Differential Equations Modeling Malignant Tumor Cells in Competition with Immune System
Creators: name: Yafia, Radouane
Publisher: name: QUBES Educational Resources
Year: 2023

description: In this paper, we present a competition model of malignant tumor growth that includes the immune system response. The model considers two populations: immune system (effector cells) and population of tumor (tumor cells).
Sinopesa gollum Lin & Li 2021, sp. nov.
Creators: name: Lin, Yejie
name: Marusik, Yuri M.
name: Gao, Caixia
name: Xu, Hao
name: Zhang, Xiaoqing
name: Wang, Ziyi
name: Zhu, Wenhui
name: Li, Shuqiang
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Nemesiidae
Sinopesa
Sinopesa gollum

description: Sinopesa gollum Lin & Li, sp. nov. (Figs 22A–C, 23A–B) Diagnosis. Male of S. gollum Lin & Li, sp. nov. is similar to Raveniola montana Zonstein & Marusik, 2012 (the genus is allied to Sinopesa, distinguished only by the longer legs and developed scopulae) in having a similarly shaped E but can be distinguished by the terminus, which is directed opposite of the tarsus (vs. directed toward the tarsus in R. montana), and S. gollum Lin & Li, sp. nov. has six eyes (vs. eight eyes in R. montana). Description. Male (holotype, IZCAS-Ar42423, Figs 22A–C, 23A–B). Total length 6.44. Color in alcohol: carapace, sternum, chelicerae, labium, endites, palps, and legs white. Carapace 5.21 long, 4.02 wide. Opisthosoma 5.78 long, 3.86 wide. Fovea longitudinal. Eye sizes and interdistances: AME 0.14, ALE 0.13, PLE 0.16, AME–AME 0.10, AME–ALE 0.22, ALE–PLE 0.19. Leg measurements: Leg I 11.20 (3.70 + 5.10 + 2.14 + 1.76), leg II 13.00 (3.04 + 4.45 + 1.80 + 1.86), leg III 11.00 (2.64 + 3.74 + 2.34 + 1.60), leg IV 13.99 (3.75 + 4.75 + 3.95 + 1.75). Leg formula 4213. Abdomen oval, two spinnerets, short. Palp (Figs 22A–C), tip of cymbium with 2 strong spines. Bulb smooth, pyriform, with a short, slender E, ratio of bulb length to E 1:1. Female. Unknown. Material examined. Holotype ♂, China: Guangdong, Qingyuan, Yangshan County, Shuitoucun, Chaiyan (24.4805°N, 112.7046°E; elev. ca. 340 m), 5 January 2019, leg. Zhigang Chen & Zhe Zhao (IZCAS-Ar42423). Distribution. Known only from the type locality. Etymology. The species is named after Gollum, a fictional character from The Lord of the Rings who lived in a cave, as does this new species; noun (name) in apposition.
description: Published as part of Lin, Yejie, Marusik, Yuri M., Gao, Caixia, Xu, Hao, Zhang, Xiaoqing, Wang, Ziyi, Zhu, Wenhui & Li, Shuqiang, 2021, Twenty-three new spider species (Arachnida: Araneae) from Asia, pp. 91-152 in Zoological Systematics 46 (2) on pages 115-118, DOI: 10.11865/zs.2021201, http://zenodo.org/record/5367065
2011-Nancy_Rodrıguez-Applied Partial Differential Equations in Crime Modeling and Biological Aggregation
Creators: name: Rodrıguez, Nancy
Publisher: name: QUBES Educational Resources
Year: 2023

description: In the first part we study a fully-parabolic system of PDEs for residential burglary ‘hotspots’ (spatio-temporal areas of high density of crime). In this work we are concerned with the existence and uniqueness of solutions of this model. In
D and Ds decay constants in Nf = 2 + 1 QCD with Wilson fermions
Creators: name: Kuberski, Simon
name: Joswig, Fabian
name: Collins, Sara
name: Heitger, Jochen
name: Söldner, Wolfgang
Publisher: name: Universität Regensburg
Year: 2024
Subjects: subject: Hadronic Matrix Elements and Weak Decays, Lattice QCD, Standard Model Parameters
subject: 530 Physik

description: We present results for the leptonic decay constants of the D and Ds mesons from Nf = 2 + 1 lattice QCD. We employ a set of 49 high statistics gauge ensembles generated by the Coordinated Lattice Simulations (CLS) effort utilising non-perturbatively improved Wilson fermions and the tree-level Symanzik improved gauge action at six values of the lattice spacing in the range a = 0.098 fm down to a = 0.039 fm, with pion masses varying from around 420 MeV down to below the physical point. The ensembles lie on three trajectories in the quark mass plane, two trajectories intersecting close to the physical quark mass point and the third one approaching the SU(3) chiral limit, enabling tight control of the light and strange quark mass dependence. We obtain = 246.8(1.3) MeV, fD = 208.4(1.5) MeV and /fD = 1.1842(36), where the precision of our results is mostly limited by the determination of the scale.
Ningaui Archer 1975
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Ningaui

description: Ningaui Archer, 1975. Mem. Queensl. Mus., 17(2):239. TYPE SPECIES: Ningaui timealeyi Archer, 1975. COMMENTS: An undescribed species of Ningaui occurs in Northern Territory (Australia); see Johnson and Roff (1980).
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 33, DOI: 10.5281/zenodo.7353066
description: {"references": ["Archer, M. 1975. Ningaui, a new genus of tiny dasyurids (Marsupialia) and two new species, N. timealeyi and N. ridei from arid Western Australia. Memoirs of the Queensland Museum, 17 (2): 237 - 249.", "Johnson, K. A., and A. D. Roff. 1980. Discovery of Ningauis (Ningaui sp.: Dasyuridae: Marsupialia) in the Northern Territory, Australia. Australian Mammalogy, 3: 127 - 129."]}
Pimoa gagna Zhang & Li 2021, sp. nov.
Creators: name: Lin, Yejie
name: Marusik, Yuri M.
name: Gao, Caixia
name: Xu, Hao
name: Zhang, Xiaoqing
name: Wang, Ziyi
name: Zhu, Wenhui
name: Li, Shuqiang
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Pimoidae
Pimoa
Pimoa gagna

description: Pimoa gagna Zhang & Li, sp. nov. (Figs 25A–G) Diagnosis. The species P. gagna Zhang & Li, sp. nov. resembles P. indiscreta Hormiga, 1994 (see Hormiga, 1994: 66, figs 248–255) and P. nyingchi Zhang & Li, 2020 (see Zhang et al., 2020: 91, fig. 9) but can be distinguished from P. indiscreta by the laterally oriented pair of FDs (vs. medially oriented in P. indiscreta) and from P. nyingchi by the S, which are separated by ca. 1/3 of the width of a S (vs. close to each other in P. nyingchi), and by the distally blunt DP (vs. pointed in P. nyingchi). Description. Female (holotype, IZCAS-Ar42426, Figs 25A–G). Total length 8.64. Carapace 4.16 long, 3.44 wide. Abdomen 4.48 long, 3.96 wide. Eye sizes and interdistances: AME 0.21, ALE 0.20, PME 0.22, PLE 0.22; AME–AME 0.14, AME–ALE 0.24, PME–PME 0.19, PME–PLE 0.29. Leg measurements: Leg I 31.09 (8.72 +10.24 + 8.77+ 3.36); leg II 26.85 (7.81 + 8.92 + 7.52 + 2.60); leg III 18.16 (5.64 + 5.84 + 4.92 + 1.76); leg IV 23.97 (7.56 + 7.97 + 6.32 + 2.12). Promargin of chelicerae with 3 teeth, retromargin with 3 teeth. Habitus as in Figs 25E–G. Carapace yellowish; thoracic fovea and radial grooves distinct; sternum brownish. Abdomen black with yellowish transverse bands. Legs brownish, with black annulations. Epigyne (Figs 25A–D): triangular; VP broad, length subequal to width; DPs tongue shaped, longer than wide; C distinct; S nearly oval, separated by ca. 1/3 width of a spermatheca; FDs yellowish, laterally oriented. Male. Unknown. Material examined. Holotype ♀, India: Himachal Pradesh, Gagna (28.3000°N, 99.1500°E; elev. ca. 2540 m), 29 September 1999, leg. Klaus Weisshart (IZCAS-Ar42426). Paratype. 1♀ (IZCAS-Ar42427), same data as holotype. Distribution. Known only from the type locality. Etymology. The specific name is a noun in apposition taken from the type locality.
description: Published as part of Lin, Yejie, Marusik, Yuri M., Gao, Caixia, Xu, Hao, Zhang, Xiaoqing, Wang, Ziyi, Zhu, Wenhui & Li, Shuqiang, 2021, Twenty-three new spider species (Arachnida: Araneae) from Asia, pp. 91-152 in Zoological Systematics 46 (2) on page 120, DOI: 10.11865/zs.2021201, http://zenodo.org/record/5367065
description: {"references": ["Hormiga, G. 1994. A revision and cladistic analysis of the spider family Pimoidae (Araneoidea: Araneae). Smithsonian Contributions to Zoology, 549: 1 - 104. doi: 10.5479 / si. 00810282.549.", "Zhang, X. Q., Lan, T. Q, Nie, L., Li, S. Q. 2020. Eight new species of the spider genus Pimoa (Araneae, Pimoidae) from Tibet, China. ZooKeys, 940: 79 - 104. doi: 10.3897 / zookeys. 940.49793."]}
Asymptotic analysis and sign changing bubble towers for Lane-Emden problems
Creators: name: De Marchis, Francesca
name: Ianni, Isabella
name: Pacella, Filomena
Publisher: name: arXiv
Year: 2013
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35B05, 35B06, 35J91

description: We consider the semilinear Lane-Emden problem in a smooth bounded domain of the plane. The aim of the paper is to analyze the asymptotic behavior of sign changing solutions as the exponent p of the nonlinearity goes to infinity. Among other results we show, under some symmetry assumptions on the domain, that the positive and negative parts of a family of symmetric solutions concentrate at the same point, as p goes to infinity, and the limit profile looks like a tower of two bubbles given by a superposition of a regular and a singular solution of the Liouville problem in the plane.
Synthetic helical liquid in a quantum wire
Creators: name: Japaridze, George I.
name: Johannesson, Henrik
name: Malard, Mariana
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We show that the combination of a Dresselhaus interaction and a spatially periodic Rashba interaction leads to the formation of a helical liquid in a quantum wire when the electron-electron interaction is weakly screened. The effect is sustained by a helicity-dependent effective band gap which depends on the size of the Dresselhaus and Rashba spin-orbit couplings. We propose a design for a semiconductor device in which the helical liquid can be realized and probed experimentally.
Ningaui ridei Archer 1975
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Ningaui
Ningaui ridei

description: Ningaui ridei Archer, 1975. Mem. Queensl. Mus., 17(2):246. TYPE LOCALITY: Australia, Western Australia, 38.6 km ENE Laverton (28°30'S, 122°47'E). DISTRIBUTION: Northern Territory, South Australia, and Western Australia (deserts). STATUS: Common.
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 33, DOI: 10.5281/zenodo.7353066
2011-Nakul-Chitnis-Introduction to Mathematical Epidemiology - Deterministic Compartmental Model
Creators: name: Chitnis, Nakul
Publisher: name: QUBES Educational Resources
Year: 2023

description: Deterministic compartmental models form the simplest models in the mathematical study of infectious disease dynamics. They assume that a population is homogenous (all people are the same) and the only distinction is in their disease state.
Expanded solar-system limits on violations of the equivalence principle
Creators: name: Overduin, James
name: Mitcham, Jack
name: Warecki, Zoey
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Most attempts to unify general relativity with the standard model of particle physics predict violations of the equivalence principle associated in some way with the composition of the test masses. We test this idea by using observational uncertainties in the positions and motions of solar-system bodies to set upper limits on possible differences $Δ$ between the gravitational and inertial mass of each body. For suitable pairs of objects, it is possible to constrain three different linear combinations of $Δ$ using Kepler's third law, the migration of stable Lagrange points, and orbital polarization (the Nordtvedt effect). Limits of order $10^{-10}-10^{-6}$ on $Δ$ for individual bodies can then be derived from planetary and lunar ephemerides, Cassini observations of the Saturn system, and observations of Jupiter's Trojan asteroids as well as recently discovered Trojan companions around the Earth, Mars, Neptune, and Saturnian moons. These results can be combined with models for elemental abundances in each body to test for composition-dependent violations of the universality of free fall in the solar system. The resulting limits are weaker than those from laboratory experiments, but span a larger volume in composition space.
description: 18 pages, 3 figures. Updated to match version in press, Classical and Quantum Gravity
Bis-phosphonated carbon nanotubes: One pot synthesis and their application as efficient adsorbent of mercury
Creators: name: Żelechowska, Kamila
name: Sobota, Diana
name: Bartłomiej Cieślik
name: Prześniak-Welenc, Marta
name: Łapiński, Marcin
name: Biernat, Jan F.
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry

description: Effective, one-pot method of CNTs phosphonylation is presented. Cheap and readily available reagents are used, so the process can be easily transferred to large-scale production. The product was analyzed using spectroscopic methods (FTIR, UV-vis, XPS). Thermal properties of the bis-phosphonated nanotubes are reported for the first time. Newly obtained material was tested as an adsorbent for mercury removal from water. The sorption capacity for newly developed adsorbent was as high as 223.7 mg/g. The adsorption kinetics were studied within framework of Lagergren model, and Langmuir and Freundlich isotherms have been described. The effect of pH on the adsorption process has been evaluated and the optimal environmental conditions were determined to be neutral. The presence of bivalent ions Cd2+, Ni2+ in the solution did not affect adsorption efficiency of novel materials.
Yang-Baxter operators and scattering amplitudes in $\mathcal{N} = 4$ super-Yang-Mills theory
Creators: name: Chicherin, D.
name: Derkachov, S.
name: Kirschner, R.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Yangian symmetry of amplitudes in $\mathcal{N}=4$ super Yang-Mills theory is formulated in terms of eigenvalue relations for monodromy matrix operators. The Quantum Inverse Scattering Method provides the appropriate tools to treat the extended symmetry and to recover as its consequences many known features like cyclic and inversion symmetry, BCFW recursion, Inverse Soft Limit construction, Grassmannian integral representation, $\mathrm{R}$-invariants and on-shell diagram approach.
description: 32 pages, 10 figures, final version for publication
Monk's Rule and Giambelli's Formula for Peterson Varieties of All Lie Types
Creators: name: Drellich, Elizabeth
Publisher: name: arXiv
Year: 2013
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: A Peterson variety is a subvariety of the flag variety $G/B$ which appears in the construction of the quantum cohomology of partial flag varieties. Each Peterson variety has a one-dimensional torus $S^1$ acting on it. We give a basis of Peterson Schubert classes for $H_{S^1}^*(Pet)$ and identify the ring generators. In type $A$ Harada-Tymoczko gave a positive Monk formula, and Bayegan-Harada gave Giambelli's formula for multiplication in the cohomology ring. This paper gives Monk's rule and Giambelli's formula for all Lie types.
description: Sections 1,3, and 7 significantly revised from previous version
Ergebnisse seroepidemiologischer Studien zu SARS-CoV-2 in Stichproben der Allgemeinbevölkerung und bei Blutspenderinnen und Blutspendern in Deutschland (Stand 03.12.2020)
Creators: name: Neuhauser, Hannelore
name: Thamm, Roma
name: Buttmann-Schweiger, Nina
name: Fiebig, Julia
name: Offergeld, Ruth
name: Poethko-Müller, Christina
name: Prütz, Franziska
name: Santos-Hövener, Claudia
name: Sarganas, Giselle
name: Schaffrath Rosario, Angelika
name: Wieler, Lothar
name: Schaade, Lars
Publisher: name: Robert Koch-Institut
Year: 2020
Subjects: subject: seroepidemiologische Studien
subject: SARS-CoV-2
subject: Blutspende
subject: Hotspot-Studie
subject: Seroprävalenz
subject: 610 Medizin und Gesundheit

description: Seroepidemiologische Studien geben Aufschluss über den Anteil der Bevölkerung, der bereits eine SARS-CoV-2-Infektion durchgemacht hat, und schließen dabei nicht erkannte Infektionen ein. So können Verlauf und Dynamik der Pandemie besser eingeschätzt und die Maßnahmenplanung verbessert werden. Die vorliegende Übersicht fasst tabellarisch bislang bekannt gewordene Ergebnisse epidemiologischer Studien zur Seroprävalenz von SARS-CoV-2 in Zufallsstichproben der Allgemeinbevölkerung (Fokus Erwachsene) und bei Blutspenderinnen und Blutspendern in Deutschland zusammen.
Selenops crewsae Lin & Li 2021, sp. nov.
Creators: name: Lin, Yejie
name: Marusik, Yuri M.
name: Gao, Caixia
name: Xu, Hao
name: Zhang, Xiaoqing
name: Wang, Ziyi
name: Zhu, Wenhui
name: Li, Shuqiang
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Selenopidae
Selenops
Selenops crewsae

description: Selenops crewsae Lin & Li, sp. nov. (Figs 30A–B, 31A–B) Diagnosis. Selenops crewsae Lin & Li, sp. nov. can be distinguished from S. ollarius Zhu, Sha & Chen, 1990 by the length ratio of the median field to the width of the Se, which is almost 1:1 (vs. 1: 2 in S. ollarius); conspicuous EP (vs. no apparent EP in S. ollarius); LL not extend posteriorly in S. crewsae Lin & Li, sp. nov. (vs. extend beyond the plate medially and are pointed in S. ollarius) and S swell at the middle (vs. hollow in S. ollarius). Description. Female (holotype, IZCAS-Ar42433, Figs 30A–B, 31A–B). Total length 10.46. Carapace 3.91 long, 4.61 wide. Abdomen 6.55 long, 4.55 wide. Eye sizes and interdistances: AME 0.19, ALE 0.17, PME 0.28, PLE 0.44; AME–AME 0.18, AME–ALE 0.08, PME–PME 0.72, PME–PLE 0.51. Leg measurements: Leg I 15.08 (4.56 + 6.05 + 3.00 + 1.47); leg II 17.98 (5.83 + 7.20 + 3.40 + 1.55); leg III 16.95 (5.90 + 6.30 + 3.35 + 1.40); leg IV 15.27 (5.13 + 5.65 + 3.16 + 1.33). Spination: Leg I tibia ventral 2.2.2; metatarsus ventral 2.2; leg II tibia ventral 2.2.2; metatarsus ventral 2.2. Promargin and retromargin of chelicerae with 3 teeth. Carapace yellowish with black lateral margins. Abdomen yellow with black pattern. Legs brownish, with black annulations. Epigyne (Figs 30A–B) subtriangular; epigynal plate broad, width ca. 1 to 1.5 of length; median field with a lobe, lobe nose shaped; EP, do not reach the caudal margin, COs inconspicuous; S nearly oval; FDs long. Male. Unknown. Material examined. Holotype ♀, China: Sichuan Province, Ganzi Zang Autonomous Region, Zhubalong, Gunre, under rocks (29.6703°N, 98.9961°E; elev. ca. 2450 m), 18 July 2019, leg. Yan Tong (IZCAS-Ar42433). Other material examined: 2j (IZCAS-Ar42434–Ar42435), same data as holotype; 2j (IZCAS-Ar42436–Ar42437), same data as holotype, but 6 August 2019, leg. Shuo Qi and Chao Wu; 3j (IZCAS-Ar42438–Ar42440), same data as holotype, but 14 June 2019, leg. Yejie Lin. Distribution. Known only from the type locality. Etymology. The species is named after Miss Sarah Crews, a leading taxonomist in Selenopidae; noun (name) in genitive case.
description: Published as part of Lin, Yejie, Marusik, Yuri M., Gao, Caixia, Xu, Hao, Zhang, Xiaoqing, Wang, Ziyi, Zhu, Wenhui & Li, Shuqiang, 2021, Twenty-three new spider species (Arachnida: Araneae) from Asia, pp. 91-152 in Zoological Systematics 46 (2) on page 126, DOI: 10.11865/zs.2021201, http://zenodo.org/record/5367065
Ningaui timealeyi Archer 1975
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Ningaui
Ningaui timealeyi

description: Ningaui timealeyi Archer, 1975. Mem. Queensl. Mus., 17(2):244. TYPE LOCALITY: Australia, Western Australia, 32.2 km SE Mt. Robinson. DISTRIBUTION: NW Western Australia. STATUS: Common.
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 33, DOI: 10.5281/zenodo.7353066
Ningaui yvonnae Kitchener, Stoddart, and Henry 1983
Creators: name: Groves, Colin P.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Dasyuromorphia
Dasyuridae
Ningaui
Ningaui yvonnae

description: Ningaui yvonnae Kitchener, Stoddart, and Henry, 1983. Aus. J. Zool., 31: 366. TYPE LOCALITY: "Mt. Manning Area, Western Australia Goldfields, 29°58'S., 119°32'E ". DISTRIBUTION: Australia: Western Australia to New South Wales, Victoria. STATUS: Common.
description: Published as part of Colin P. Groves, 1993, Order Dasyuromorphia, pp. 29-37 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 33, DOI: 10.5281/zenodo.7353066
Attracting fixed points for heavy particles in the vicinity of a vortex pair
Creators: name: Ravichandran, S.
name: Perlekar, Prasad
name: Govindarajan, Rama
Publisher: name: arXiv
Year: 2013
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We study the behaviour of heavy inertial particles in the flow field of two like-signed vortices. In a frame co-rotating with the two vortices, we find that stable fixed points exist for these heavy inertial particles; these stable frame-fixed points exist only for particle Stokes number $St
description: Comment: Figures 7 a,b added Comment: Section on stability analysis completely redone Comment: Several sections reordered for better readability Comment: Equation 6 rewritten in terms of rotating frame variables. Comment: Several typos corrected
Bis-phosphonated carbon nanotubes: One pot synthesis and their application as efficient adsorbent of mercury
Creators: name: Żelechowska, Kamila
name: Sobota, Diana
name: Bartłomiej Cieślik
name: Prześniak-Welenc, Marta
name: Łapiński, Marcin
name: Biernat, Jan F.
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry

description: Effective, one-pot method of CNTs phosphonylation is presented. Cheap and readily available reagents are used, so the process can be easily transferred to large-scale production. The product was analyzed using spectroscopic methods (FTIR, UV-vis, XPS). Thermal properties of the bis-phosphonated nanotubes are reported for the first time. Newly obtained material was tested as an adsorbent for mercury removal from water. The sorption capacity for newly developed adsorbent was as high as 223.7 mg/g. The adsorption kinetics were studied within framework of Lagergren model, and Langmuir and Freundlich isotherms have been described. The effect of pH on the adsorption process has been evaluated and the optimal environmental conditions were determined to be neutral. The presence of bivalent ions Cd2+, Ni2+ in the solution did not affect adsorption efficiency of novel materials.
A Mixed Value and Policy Iteration Method for Stochastic Control with Universally Measurable Policies
Creators: name: Yu, Huizhen
name: Bertsekas, Dimitri P.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: 93E20, 90C39, 90C40

description: We consider stochastic control models with Borel spaces and universally measurable policies. For such models the standard policy iteration is known to have difficult measurability issues and cannot be carried out in general. We present a mixed value and policy iteration method that circumvents this difficulty. The method allows the use of stationary policies in computing the optimal cost function, in a manner that resembles policy iteration. It can also be used to address similar difficulties of policy iteration in the context of upper and lower semicontinuous models. We analyze the convergence of the method in infinite horizon total cost problems, for the discounted case where the one-stage costs are bounded, and for the undiscounted case where the one-stage costs are nonpositive or nonnegative. For undiscounted total cost problems with nonnegative one-stage costs, we also give a new convergence theorem for value iteration, which shows that value iteration converges whenever it is initialized with a function that is above the optimal cost function and yet bounded by a multiple of the optimal cost function. This condition resembles Whittle's bridging condition and is partly motivated by it. The theorem is also partly motivated by a result of Maitra and Sudderth, which showed that value iteration, when initialized with the constant function zero, could require a transfinite number of iterations to converge. We use the new convergence theorem for value iteration to establish the convergence of our mixed value and policy iteration method for the nonnegative cost case.
description: Minorly edited from version 2; 60 pages. A shorter version is to appear in the journal Mathematics of Operations Research