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Journal articles on the topic 'Spinout'

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Published: 4 June 2021
Last updated: 4 February 2022

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1

Colella, Samuel D. "Spinout Success Stories." Bio/Technology 11, no. 3 (March 1993): 412. http://dx.doi.org/10.1038/nbt0393-412.

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2

Lamphere, Robert L. "A Recurrence Relation in the Spinout Puzzle." College Mathematics Journal 27, no. 4 (September 1996): 286. http://dx.doi.org/10.2307/2687238.

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3

Lamphere, Robert L. "A Recurrence Relation in the Spinout Puzzle." College Mathematics Journal 27, no. 4 (September 1996): 286–89. http://dx.doi.org/10.1080/07468342.1996.11973795.

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4

Dolgin, Elie. "CD47 checkpoint data supercharge Stanford spinout IPO." Nature Biotechnology 36, no. 8 (August 6, 2018): 671–72. http://dx.doi.org/10.1038/nbt0818-671.

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5

Zahreddine, Hala G., Daniel K. Struve, and Martin Quigley. "Growing Pinus nigra Seedlings in Spinout™-Treated Containers Reduces Root Malformation and Increases Growth After Transplanting." Journal of Environmental Horticulture 22, no. 4 (December 1, 2004): 176–82. http://dx.doi.org/10.24266/0738-2898-22.4.176.

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Abstract Root malformation originating during container production causes mechanical instability and plant mortality when those seedlings are transplanted. We investigated the effects of chemical (interior container surfaces treated with Spinout™ or not) or mechanical container modifications (vertical slits or no vertical slits), and the effects of substrate bulk density on the growth of Pinus nigra (Arnold) seedlings during plug production and after transplanting. Seedlings grown in compacted substrate had the greatest shoot, root and total plant dry weights five months after seeding in plug trays. However the incidence of root malformation was also greatest when seedlings were grown in compacted substrate. Unless root pruned, root malformations were retained after transplanting. Seedlings with unpruned roots grown in Spinout™-treated containers had higher regenerated root dry weight than those grown in untreated containers four months after transplanting. Root pruning before transplanting reduced growth of the seedlings regardless of container configuration and of substrate bulk density. Root regrowth and seedling quality after transplanting were greatest for seedlings grown in the treatment combination of no Spinout™, compacted substrate and no slits. Seedlings produced under natural photoperiods formed a resting bud when the seedlings were approximately 2.5 cm (1 in) tall in spring season. Within two weeks shoot elongation resumed, which resulted in branched seedlings. Root malformation can be induced during plug production and is retained after transplanting unless corrected by root pruning.
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6

Bower, D. Jane. "Business model fashion and the academic spinout firm." R and D Management 33, no. 2 (March 2003): 97–106. http://dx.doi.org/10.1111/1467-9310.00285.

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7

Lichtinger, T. K., A. Pingsmann, and G. Saxler. "Spinout der rotierenden Plattform bei der LCS-Knieendoprothese." Der Unfallchirurg 110, no. 4 (April 2007): 364–66. http://dx.doi.org/10.1007/s00113-006-1184-4.

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8

Kuhns, Larry J., Tracey Harpster, and Clyde Elmore. "Controlling Circling Roots in Container-grown Ornamentals with Root-inhibiting Herbicides." HortScience 31, no. 4 (August 1996): 659f—660. http://dx.doi.org/10.21273/hortsci.31.4.659f.

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SpinOut is a commercial product containing copper hydroxide that is designed to prevent the development of circling roots in container grown ornamentals. Our objective was to determine the effect of two root-inhibiting herbicides (oryzalin and trifluralin) on the development of circling roots in container grown ornamentals when painted onto the inside surface of the containers or on stakes inserted around the walls of the containers. Rooted cuttings of wintercreeper euonymus (Euonymus fortunei Hand.-Mezz) were planted in a 1 peat: 1 perlite: 1 soil mix on 8 to 10 Feb. 1995. There were 16 containers for each of 20 treatments. Eight were rated for circling roots then harvested 17 to 22 May, and eight were rated and harvested 6 to 7 July 1995. Root circling was rated on a scale of 1 to 5, with 1 indicating no circling roots and 5 indicating many circling roots. Following harvest stem growth was measured and the dry weights of the roots, stems, and leaves were determined. Treated stakes did not prevent circling roots Trifluralin in Vapor Gard reduced the amount of circling roots, but not to acceptable levels. Trifluralin in latex paint was ineffective at 0.5%, slightly reduced the development of circling roots at 2%, and at 4% reduced circling rooting to the same extent as the SpinOut. Surflan at 0.5% in Vapor Gard reduced the development of circling roots to the same extent as the SpinOut. All other rates of Surflan, in both carriers, almost totally eliminated circling roots. There were no significant differences in root weight or total plant weight among any of the treatments at either date of evaluation.
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9

Sakakibara, Mariko, and Natarajan Balasubramanian. "How Transferable is Human Capital? Evidence from Spinout Performance." Academy of Management Proceedings 2020, no. 1 (August 2020): 14573. http://dx.doi.org/10.5465/ambpp.2020.14573abstract.

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10

Nicolaou, Nicos, and Sue Birley. "Social Networks in Organizational Emergence: The University Spinout Phenomenon." Management Science 49, no. 12 (December 2003): 1702–25. http://dx.doi.org/10.1287/mnsc.49.12.1702.25116.

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11

Christoffersen, Ralph E. "Forming an international biotechnology spinout: Is it worth it?" Nature Biotechnology 17, S1 (February 1999): BE20—BE21. http://dx.doi.org/10.1038/4634.

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12

Sabel, Christopher Albert, and Amir Sasson. "Human Capital and Spinout Growth: Linking Relatedness, Redeployment, and Performance." Academy of Management Proceedings 2020, no. 1 (August 2020): 11397. http://dx.doi.org/10.5465/ambpp.2020.11397abstract.

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13

Moroz, Peter W., Kevin Hindle, and Robert Anderson. "Collaboration with entrepreneurship education programmes: building spinout capacity at universities." International Journal of Innovation and Learning 7, no. 3 (2010): 245. http://dx.doi.org/10.1504/ijil.2010.031946.

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14

Dottore, Antonio, and Suleiman K. Kassicieh. "University Patent Holders as Entrepreneurs: Factors that Influence Spinout Activity." Journal of the Knowledge Economy 5, no. 4 (October 15, 2014): 863–91. http://dx.doi.org/10.1007/s13132-014-0224-5.

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15

Rama Murthy, Sudhir, Kate Roll, and Alastair Colin-Jones. "Ending business-non-profit partnerships: The spinout of social enterprises." Scandinavian Journal of Management 37, no. 1 (March 2021): 101136. http://dx.doi.org/10.1016/j.scaman.2020.101136.

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16

Sierra, Stephen, Chibuzo Akalonu, Kevin West, Matthew Blue, and George Brindley. "Spontaneous 180-Degree Rotatory Dislocation of Rotating-Platform Total Knee Arthroplasty." Case Reports in Orthopedics 2019 (September 15, 2019): 1–3. http://dx.doi.org/10.1155/2019/2038983.

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Rotating-bearing total knee arthroplasty has been theorized to have some advantages in the kinematics and wear characteristics of total knee arthroplasty. A rare complication of rotating-bearing total knee arthroplasty is rotary dislocation, spinout, of the polyethylene component. When these dislocations occur, they typically result in a 90-degree dislocation in respect to the axial axis of the knee. This case is unique in that it presents a complete 180-degree polyethylene dislocation without trauma.
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17

VOHORA, AJAY, and ANDY LOCKETT. "CRITICAL JUNCTURES IN THE DEVELOPMENT OF UNIVERSITY HIGH-TECH SPINOUT COMPANIES." Academy of Management Proceedings 2003, no. 1 (August 2003): I1—I6. http://dx.doi.org/10.5465/ambpp.2003.13793066.

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18

Sakakibara, Mariko, and Natarajan Balasubramanian. "Spinout Formation: Do Opportunities and Constraints Benefit High Human Capital Founders?" Academy of Management Proceedings 2013, no. 1 (January 2013): 15799. http://dx.doi.org/10.5465/ambpp.2013.15799abstract.

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19

Klangboonkrong, Yiarayong, and Palie Smart. "University Spinout Formation: Legitimating Means of Knowledge Production for Competing Demands." Academy of Management Proceedings 2018, no. 1 (August 2018): 16817. http://dx.doi.org/10.5465/ambpp.2018.16817abstract.

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20

Vohora, Ajay, Mike Wright, and Andy Lockett. "Critical junctures in the development of university high-tech spinout companies." Research Policy 33, no. 1 (January 2004): 147–75. http://dx.doi.org/10.1016/s0048-7333(03)00107-0.

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21

Morrison, Chris. "Spark’s meteoric rise from hospital-funded spinout to $4.8 billion deal." Nature Biotechnology 37, no. 5 (March 5, 2019): 492–93. http://dx.doi.org/10.1038/d41587-019-00007-6.

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22

Rosa, Peter, and Alison Dawson. "Gender and the commercialization of university science: academic founders of spinout companies." Entrepreneurship & Regional Development 18, no. 4 (July 2006): 341–66. http://dx.doi.org/10.1080/08985620600680059.

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23

Gaonkar, Shweta. "Casting Shadows: Impact Of Parent-Spinout Knowledge Distance On New Venture Alliances." Academy of Management Proceedings 2014, no. 1 (January 2014): 16367. http://dx.doi.org/10.5465/ambpp.2014.263.

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24

Cirillo, Bruno. "External Learning Strategies and Technological Search Output: Spinout Strategy and Corporate Invention Quality." Organization Science 30, no. 2 (March 2019): 361–82. http://dx.doi.org/10.1287/orsc.2018.1233.

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25

Bower, D. Jane. "Matching technology push to market pull: strategic choices and the academic spinout firm." International Journal of Entrepreneurship and Innovation Management 2, no. 4/5 (2002): 339. http://dx.doi.org/10.1504/ijeim.2002.000489.

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26

Diamond, Owen J., Emer Doran, and David E. Beverland. "Spinout/Dislocation in Mobile-Bearing Total Knee Arthroplasty: A Report of 26 Cases." Journal of Arthroplasty 33, no. 2 (February 2018): 537–43. http://dx.doi.org/10.1016/j.arth.2017.09.016.

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27

FENG, SHIPING, TIANXING MA, and JIHONG QIN. "GAUGE INVARIANT DRESSED HOLON AND SPINON IN DOPED CUPRATES." Modern Physics Letters B 17, no. 09 (April 20, 2003): 361–73. http://dx.doi.org/10.1142/s0217984903005251.

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We develop a partial charge-spin separation fermion-spin theory implemented by the gauge invariant dressed holon and spinon. In this novel approach, the physical electron is decoupled as the gauge invariant dressed holon and spinon, with the dressed holon behaviors like a spinful fermion, and represents the charge degree of freedom together with the phase part of the spin degree of freedom, while the dressed spinon is a hard-core boson, and represents the amplitude part of the spin degree of freedom, then the electron single occupancy local constraint is satisfied. Within this approach, the charge transport and spin response of the underdoped cuprates is studied. It is shown that the charge transport is mainly governed by the scattering from the dressed holons due to the dressed spinon fluctuation, while the scattering from the dressed spinons due to the dressed holon fluctuation dominates the spin response.
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28

Libaers, Dirk, Martin Meyer, and Aldo Geuna. "The Role of University Spinout Companies in an Emerging Technology: The Case of Nanotechnology." Journal of Technology Transfer 31, no. 4 (July 2006): 443–50. http://dx.doi.org/10.1007/s10961-006-0005-9.

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29

Wang, Ying Lin, and Kong Hui Guo. "Analysis of Vehicle’s Kinetic Characteristic after Tire Blow-Out." Advanced Materials Research 455-456 (January 2012): 1115–21. http://dx.doi.org/10.4028/www.scientific.net/amr.455-456.1115.

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. Tire blow-out (TBO) is very likely to trigger dangerous accidents particularly when the car operates at high speed. Usually, TBO at one of the wheels results vehicle’s yawing movement, forcing driver in panic to turn the steering-wheel abruptly as he or she does with the normal operation. Unfortunately, this tends to improperly steer the vehicle in imbalance due to serious variation of steering characteristics after TBO and causes it rollover or spinout as a consequence. Basically, this paper addresses the blown tire model (BTM) based on the UniTire model we developed and applied in CarSim to perform some simulations to study the vehicle’s kinetic behavior after TBO. Finally, the Vehicle’s steady-state steering characteristic after TBO is presented.
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30

Schröder, C., and A. Duchow. "Heavy Truck Handling Performance Analysis in Vehicle Test and Computer Simulation." Tire Science and Technology 25, no. 2 (April 1, 1997): 119–36. http://dx.doi.org/10.2346/1.2137534.

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Abstract The dynamic stability of heavy trucks, as spinout, jackknifing, and rollover, is highly dependent on vehicle configuration, driving maneuver, and the force and moment characteristics of tires. Increasing safety requirements on the handling performance of heavy trucks demand tools that allow a tire design engineer to predict tire influences on the tire/vehicle system dynamic behavior. The computer simulation of handling performance of vehicles offers possibilities of evaluating influences of tire design changes on handling properties in any developing stage of new tire lines. Thus, modern simulation techniques may contribute to the building and testing of tires in an early design stage. This paper presents results from a recent program of tire/vehicle system research, applying tire/vehicle testing and simulation techniques to a 40 ton truck-semitrailer combination. The goal of this work is to visualize the possibilities of state-of-the-art simulation technologies on the tire design process. Tire force and moment characteristics can be calculated from the tire layout by an advanced tire model. The tire model for this type of calculation is a multibody system. Calculated and measured dynamic tire characteristics are used for the full vehicle handling simulation in ADAMS. Extensive tire characteristic testing on the road and test stand was done to improve and validate the tire model. Vehicle handling tests as steady state circular and lateral transient response tests were done for the empty and laden vehicle with different tires to prove the vehicle model. With the use of the simulation of the tire and vehicle behavior, the tire design engineer will be able to judge tire characteristics of different variants in an early design stage. Vehicle dynamic simulation studies up to instability as spinout, jackknifing, and rollover can be performed using modern CAE methods without harming man and environment, but subjective and objective tire evaluation still remains necessary for approving and validating the predicted results.
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31

Laplume, Andre O., Sepideh Yeganegi, and Parshotam Dass. "Non-competes and Spinout Creation: A Cross-country Test of the Relationship with Individual Income." Academy of Management Proceedings 2018, no. 1 (August 2018): 11038. http://dx.doi.org/10.5465/ambpp.2018.187.

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32

Birds, Rachel. "Redefining roles and identities in higher education: the liminal experiences of a university spinout company." Journal of Higher Education Policy and Management 37, no. 6 (October 29, 2015): 633–45. http://dx.doi.org/10.1080/1360080x.2015.1103003.

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33

Buechel, Frederick F., Frederick F. Buechel, Thomas E. Helbig, Michael J. Pappas, K. Trier, and S. W. Dean. "31 Year Evolution of the Rotating-Platform Total Knee Replacment: Coping With “Spinout” and Wear." Journal of ASTM International 9, no. 2 (2012): 103329. http://dx.doi.org/10.1520/jai103329.

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34

Sommi, Corinne, Victor J. Wu, John Heffernan, and William Sherman. "Complete 180-Degree Dislocation of a Rotating Platform after Closed Reduction for Mobile Bearing Spinout." Arthroplasty Today 6, no. 3 (September 2020): 556–59. http://dx.doi.org/10.1016/j.artd.2020.06.007.

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35

Cooper, Curtis. "The Chinese Ring puzzle, the Crazy Elephant Dance puzzle, the b-Spinout puzzle, and Gray codes." Mathematical Gazette 103, no. 558 (October 21, 2019): 431–41. http://dx.doi.org/10.1017/mag.2019.103.

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36

Cirillo, Bruno, Stefano Breschi, and Andrea Prencipe. "Divide to connect: Reorganization through R&D unit spinout as linking context of intra-corporate networks." Research Policy 47, no. 9 (November 2018): 1585–600. http://dx.doi.org/10.1016/j.respol.2018.05.002.

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37

Newman, Steven E., and Jesse R. Quarrels. "854 PB 425 CHEMICAL ROOT PRUNING OF CONTAINER-GROWN TREES USING TRIFLURALIN AND COPPER IMPREGNATED FABRIC." HortScience 29, no. 5 (May 1994): 555f—555. http://dx.doi.org/10.21273/hortsci.29.5.555f.

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Many nurseries are using the pot-in-pot (PNP) system to grow trees in containers. This system protects the roots from temperature extremes and prevents tipping. PNP is not without problems, trees with vigorous roots may escape the container and root into the external soil making harvest difficult. PNP has no effect on root circling. Our objective was to determine if a polypropylene fabric disk treated with either trifluralin or copper placed in the bottom of a container would prevent root circling. Cercis canadensis and Quercus shumardii seedlings were grown in 19 liter polyethylene containers with eight root control treatments, which included trifluralin or copper impregnated polypropylene fabric disks placed in the bottom of the containers. Ttifluralin treatments, BioBarrier and trifluralin impregnated fabric, had few roots in the bottom of the containers. Of the copper treatments, Spinout® impregnated fabric was the only copper treatment that had any effect on root development in the bottom of the containers.
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38

Buechel, Tom J., Edward R. Hasselkus, and Brent H. McCown. "Cu(OH)2 Affects the Growth and Root Structure of Two Woody Ornamental Species." HortScience 30, no. 4 (July 1995): 913C—913. http://dx.doi.org/10.21273/hortsci.30.4.913c.

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Root girdling and deformation are problems that occur in containerized woody ornamentals. Two small trees, the coarse-rooted Magnolia × loebneri `Leonard Messel' (grown in 5-gal containers), and the fine-rooted Crataegus × viridis `Winterking' (6' bare root), were transplanted into 10-gal containers, some of which were treated with “SpinOut” [a latex paint containing 100 g Cu(OH)2/liter]. The plants were grown in a pot-in-pot system for 3 months, after which new roots were analyzed for mat formation and branching pattern. No significant differences in shoot growth that could be attributed to the Cu(OH)2 treatment were observed. The treated containers prevented both root encirclement and reformation of matted roots, and resulted in a more-dense and fibrous root system than that observed in untreated containers. The differences were greatest with the coarse-rooted magnolia. The use of containers treated with copper compounds may be an effective means to reduce root problems commonly observed in modern containerized ornamental production.
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39

Rogerio, R. J. Bueno. "From dipole spinors to a new class of mass dimension one fermions." Modern Physics Letters A 35, no. 39 (October 30, 2020): 2050319. http://dx.doi.org/10.1142/s0217732320503198.

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In this paper, we investigate a quite recent new class of spin one-half fermions, namely Ahluwalia class-7 spinors, endowed with mass dimensionality 1 rather than 3/2, being candidates to describe dark matter. Such spinors, under the Dirac adjoint structure, belongs to the Lounesto’s class-6, namely, dipole spinors. Up to our knowledge, dipole spinor fields have Weyl spinor fields as their most known representative, nonetheless, here we explore the dark counterpart of the dipole spinors, which represents eigenspinors of the chirality operator.
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40

Fontana, Roberto, and Lorenzo Zirulia. "How Far From The Tree Do Good Apples Fall? Spinout Generation And The Survival Of High-Tech Firms." Academy of Management Proceedings 2015, no. 1 (January 2015): 11309. http://dx.doi.org/10.5465/ambpp.2015.11309abstract.

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41

POLYAKOV, DIMITRI. "NEW BRST CHARGES IN RNS SUPERSTRING THEORY AND DEFORMED PURE SPINORS." International Journal of Modern Physics A 24, no. 32 (December 30, 2009): 6177–95. http://dx.doi.org/10.1142/s0217751x09047600.

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We show that new BRST charges in RNS superstring theory with nonstandard ghost numbers, constructed in our recent work, can be mapped to deformed pure spinor (PS) superstring theories, with the nilpotent pure spinor BRST charge QPS = ∮λαdα still retaining its form but with singular operator products between commuting spinor variables λα. Despite the OPE singularities, the pure spinor condition λγmλ = 0 is still fulfilled in a weak sense, explained in the paper. The operator product singularities correspond to introducing interactions between the pure spinors. We conjecture that the leading singularity orders of the OPE between two interacting pure spinors is related to the ghost number of the corresponding BRST operator in RNS formalism. Namely, it is conjectured that the BRST operators of minimal superconformal ghost pictures n > 0 can be mapped to nilpotent BRST operators in the deformed pure spinor formalism with the OPE of two commuting spinors having a leading singularity order λ(z)λ(w) ~ O(z-w)-2(n2+6n+1). The conjecture is checked explicitly for the first nontrivial case n = 1.
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42

Hong, In Ki, Choong Sun Kim, and Gyung Hyun Min. "Curvature Spinors in Locally Inertial Frame and the Relations with Sedenion." Universe 6, no. 3 (March 6, 2020): 40. http://dx.doi.org/10.3390/universe6030040.

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In the 2-spinor formalism, the gravity can be dealt with curvature spinors with four spinor indices. Here we show a new effective method to express the components of curvature spinors in the rank-2 4 × 4 tensor representation for the gravity in a locally inertial frame. In the process we have developed a few manipulating techniques, through which the roles of each component of Riemann curvature tensor are revealed. We define a new algebra ‘sedon’, the structure of which is almost the same as sedenion except for the basis multiplication rule. Finally we also show that curvature spinors can be represented in the sedon form and observe the chiral structure in curvature spinors. A few applications of the sedon representation, which includes the quaternion form of differential Binanchi identity and hand-in-hand couplings of curvature spinors, are also presented.
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43

ICHINOSE, IKUO. "STRONG-COUPLING GAUGE THEORY OF NODAL SPINONS AND ANTIFERROMAGNETIC LONG-RANGE ORDER." Modern Physics Letters A 21, no. 39 (December 21, 2006): 2947–60. http://dx.doi.org/10.1142/s0217732306022213.

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In this paper we shall study a gauge theory of nodal spinons which appears as a low-energy effective theory for antiferromagnetic (AF) Heisenberg models. In most of the studies on the nodal spinons given so far, the gauge interaction between spinons was assumed weak and nonperturbative effects like instantons and vortices were ignored. In this paper, we shall study strong-coupling gauge theory of nodal spinons and reveal its nontrivial phase structure. To this end, we employ recently developed lattice gauge theory techniques for studying finite-temperature and finite-density gauge theory. At low temperature and low spinon-density region, an AF long-range order exists. As temperature and/or density of spinons increase, a phase transition to nonmagnetic phase takes place. Order of the phase transition is of second (first) order for low (high) density region of spinons. At a quantum critical point at vanishing temperature T = 0, abrupt change of spinon density occurs as a function of the chemical potential. Implications of the results to the heavy-fermion materials and the high-T c cuprates are discussed.
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44

Scharnhorst, Klaus. "Entanglement capabilities of the spin representation of (3+1)D-conformal transformations." Quantum Information and Computation 13, no. 11&12 (November 2013): 925–36. http://dx.doi.org/10.26421/qic13.11-12-2.

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Relying on a mathematical analogy of the pure states of the two-qubit system of quantum information theory with four-component spinors we introduce the concept of the intrinsic entanglement of spinors. To explore its physical sense we study the entanglement capabilities of the spin representation of (pseudo-) conformal transformations in (3+1)-dimensional Minkowski space-time. We find that only those tensor product structures can sensibly be introduced in spinor space for which a given spinor is not entangled.
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45

CANARUTTO, DANIEL. "FERMI TRANSPORT OF SPINORS AND FREE QED STATES IN CURVED SPACETIME." International Journal of Geometric Methods in Modern Physics 06, no. 05 (August 2009): 805–24. http://dx.doi.org/10.1142/s0219887809003801.

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Fermi transport of spinors can be precisely understood in terms of two-spinor geometry. By using a partly original, previously developed treatment of two-spinors and classical fields, we describe the family of all transports, along a given one-dimensional timelike submanifold of spacetime, which yield the standard Fermi transport of vectors. Moreover, we show that this family has a distinguished member, whose relation to the Fermi transport of vectors is similar to the relation between the spinor connection and spacetime connection. Various properties of the Fermi transport of spinors are discussed, and applied to the construction of free electron states for a detector-dependent QED formalism introduced in a previous paper.
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46

Xiong, Chi. "From the fourth color to spin-charge separation: Neutrinos and spinons." Modern Physics Letters A 30, no. 25 (July 30, 2015): 1530021. http://dx.doi.org/10.1142/s0217732315300219.

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We introduce the spin-charge separation mechanism to the quark–lepton unification models which consider the lepton number as the fourth color. In certain finite-density systems, quarks and leptons are decomposed into spinons and chargons, which carry the spin and charge degrees of freedom respectively. Neutrinos can be related to the spinons with respect to the electric-charge and spin separation in the early universe or other circumstances. Some effective, probably universal couplings between the spinon sector and the chargon sector are derived and a phenomenological description for the chargon condensate is proposed. It is then demonstrated that the spinon current can induce vorticity in the chargon condensate, and spinon zero modes are trapped in the vortices, forming spinon-vortex bound states. In cosmology this configuration may lead to the emission of extremely high energy neutrinos when vortices split and reconnect.
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47

Helfer, A. D. "Spinor Lie derivatives and Fermion stress–energies." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2186 (February 2016): 20150757. http://dx.doi.org/10.1098/rspa.2015.0757.

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Stress–energies for Fermi fields are derived from the principle of general covariance. This is done by developing a notion of Lie derivatives of spinors along arbitrary vector fields. A substantial theory of such derivatives was first introduced by Kosmann; here, I show how an apparent conflict in the literature on this is due to a difference in the definitions of spinors, and that tracking the Lie derivative of the Infeld–van der Waerden symbol, as well as the spinor fields under consideration, gives a fuller picture of the geometry and leads to the Fermion stress–energy. The differences in the definitions of spinors do not affect the results here, but could matter in certain quantum-gravity programs and for spinor transformations under discrete symmetries.
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48

Leite, Iolanda, and Anuj Karpatne. "Welcome to AI Matters 7(1)." AI Matters 7, no. 1 (March 2021): 4. http://dx.doi.org/10.1145/3465074.3465075.

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Welcome to the first issue of this year's AI Matters Newsletter! We start with a report on upcoming SIGAI Events by Dilini Samarasinghe and Conference reports by Louise Dennis, our conference coordination officers. In our regular Education column, Duri Long, Jonathan Moon, and Brian Magerko introduce two "unplugged" activities (i.e., no technology needed) to learn about AI focussed on K-12 AI Education. We then bring you our regular Policy column, where Larry Medsker covers several topics on AI policy, including the role of Big Tech on AI Ethics and an interview with Dr. Eric Daimler who is the CEO of the MIT-spinout Conexus.com. Finally, we close with four article contributions. The first article discusses emerging applications of AI in analyzing source code and its implications to several industries. The second article discusses topics in the area of physical scene understanding that are necessary for machines to perceive, interact, and reason about the physical world. The third article presents novel practices and highlights from the Fourth Workshop on Mechanism Design for Social Good. The fourth article provides a report on the "Decoding AI" event that was conducted online by ViSER for high school students and adults sponsored by ACM SIGAI.
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49

Keogh, Cillian John, James Hepburn, James Harty, Declan Reidy, Darren Moloney, and David Mulcahy. "AB138. 10. A report of 8 cases of polyethylene spinout/dislocation in the ATTUNE mobile-bearing rotating-platform total knee arthroplasty." Mesentery and Peritoneum 3 (February 2019): AB138. http://dx.doi.org/10.21037/map.2019.ab138.

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50

NICOLAIDIS, A., and V. KIOSSES. "SPINOR GEOMETRY." International Journal of Modern Physics A 27, no. 22 (August 30, 2012): 1250126. http://dx.doi.org/10.1142/s0217751x12501266.

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It has been proposed that quantum mechanics and string theory share a common inner syntax, the relational logic of C. S. Peirce. Along this line of thought we consider the relations represented by spinors. Spinor composition leads to the emergence of Minkowski space–time. Inversely, the Minkowski space–time is istantiated by the Weyl spinors, while the merger of two Weyl spinors gives rise to a Dirac spinor. Our analysis is applied also to the string geometry. The string constraints are represented by real spinors, which create a parametrization of the string worldsheet identical to the Enneper–Weierstass representation of minimal surfaces. Further, a spinorial study of the AdS3 space–time reveals a Hopf fibration AdS3 → AdS2. The conformal symmetry inherent in AdS3 is pointed out. Our work indicates the hidden ties between logic-quantum mechanics-string theory-geometry and vindicates the Wheeler's proposal of pregeometry as a large network of logical propositions.
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