Search Results - "Clawson, Richard"
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From the Fibonacci Icosagrid to E8 (Part II): The Composite Mapping of the Cores
Published in Crystals (Basel) (01-02-2024)“…This paper is part of a series that describes the Fibonacci icosagrid quasicrystal (FIG) and its relation to the E8 root lattice. The FIG was originally…”
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The Curled Up Dimension in Quasicrystals
Published in Crystals (Basel) (01-10-2021)“…Most quasicrystals can be generated by the cut-and-project method from higher dimensional parent lattices. In doing so they lose the periodic order their…”
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Results of 20 years of experimental forest management on breeding birds in Ozark forests of Missouri, USA
Published in Forest ecology and management (15-12-2013)“…•We studied avian abundance and nest survival with experimental forest management.•Mature forest species declined on even-aged, uneven-aged, and no-harvest…”
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4
Periodic Modification of the Boerdijk–Coxeter Helix (tetrahelix)
Published in Mathematics (Basel) (01-10-2019)“…The Boerdijk–Coxeter helix is a helical structure of tetrahedra which possesses no non-trivial translational or rotational symmetries. In this document, we…”
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Closing Gaps in Geometrically Frustrated Symmetric Clusters: Local Equivalence between Discrete Curvature and Twist Transformations
Published in Mathematics (Basel) (01-06-2018)“…In geometrically frustrated clusters of polyhedra, gaps between faces can be closed without distorting the polyhedra by the long established method of discrete…”
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Long-term dynamics of bird use of clearcuts in post-fledging period
Published in The Wilson journal of ornithology (01-12-2014)“…We focus on bird use of clearcuts resulting from even-aged management as part of the Missouri Ozark Forest Ecosystem Project (MOFEP). The long-term nature of…”
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Effects of Experimental Forest Management on Density and Nesting Success of Bird Species in Missouri Ozark Forests
Published in Conservation biology (01-10-2003)“…A critical step in understanding the relationship between forest management and bird populations is conducting studies that employ rigorous experimental…”
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Journal Article -
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Evaluation of Habitat Suitability Models for Forest Passerines Using Demographic Data
Published in The Journal of wildlife management (01-04-2010)“…Habitat suitability is often used as a surrogate for demographic responses (i.e., abundance, survival, fecundity, or population viability) in the application…”
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Bird Response to Clear Cutting in Missouri Ozark Forests
Published in The Journal of wildlife management (01-08-2007)“…We evaluated changes in breeding bird density and shifts in territory distribution with respect to clear cutting and timber stand improvement (TSI) of…”
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Journal Article -
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From the Fibonacci Icosagrid to IE/I[sub.8] : The Composite Mapping of the Cores
Published in Crystals (Basel) (01-02-2024)“…This paper is part of a series that describes the Fibonacci icosagrid quasicrystal (FIG) and its relation to the E[sub.8] root lattice. The FIG was originally…”
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Journal Article -
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Selection of Summer Roosting Sites by Indiana Bats (Myotis sodalis) in Missouri
Published in Journal of mammalogy (01-08-1997)“…Summer roosting sites were studied at four maternity colonies of Indiana bats (Myotis sodalis) in northern Missouri. Colonies of Indiana bats used two types of…”
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Breeding density affects point-count accuracy in Missouri forest birds
Published in Journal of field ornithology (01-04-2004)“…We compared 50-m fixed-radius point-count detections for four bird species with density data from spot-mapping in order to evaluate the relationship between…”
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13
Population Density, Habitat Selection and Minimum Area Requirements of Three Forest-Interior Warblers in Central Missouri
Published in The Condor (Los Angeles, Calif.) (01-11-1993)“…Ovenbirds (Seiurus aurocapillus), Kentucky Warblers (Oporornis formosus), and Worm-eating Warblers (Helmitheros vermivorus) were censused in central Missouri…”
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Habitat Selection and Breeding Status of Swainson's Warblers in Southern Missouri
Published in The Journal of wildlife management (01-07-1996)“…Habitat selection and productivity are poorly documented for the Swainson's warbler (Limnothlypis swainsonii) throughout its breeding range. In southern…”
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All Hurwitz Algebras from 3D Geometric Algebras
Published 03-11-2023“…Hurwitz algebras are unital composition algebras widely known in algebra and mathematical physics for their useful applications. In this paper, inspired by…”
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Quasicrystalline Spin Foam with Matter: Definitions and Examples
Published 02-06-2023“…In this work, we define quasicrystalline spin networks as a subspace within the standard Hilbert space of loop quantum gravity, effectively constraining the…”
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Digital Photography Improves Consistency and Accuracy of Bat Counts in Hibernacula
Published in The Journal of wildlife management (01-01-2010)“…The size and distribution of measurement errors associated with major techniques for estimating numbers of hibernating bats are unstudied, although this is the…”
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Pesticide contamination of endangered gray bats and their food base in Boone County, Missouri, 1982
Published in Bulletin of environmental contamination and toxicology (01-03-1989)“…Dieldrin and heptachlor epoxide have been implicated in the poisoning of the gray bat. This study investigated whether pesticide residues were involved in gray…”
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19
A zitterbewegung model of the electron
Published 01-01-2009“…The spin and zitterbewegung structure in the Dirac equation find striking analogs in classical models of particles with intrinsic spin, and work by Hestenes…”
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Dissertation -
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Evaluating the Effects of Ecosystem Management: A Case Study in a Missouri Ozark Forest
Published in Ecological applications (01-12-2001)“…Many federal and state management agencies have shifted from commodity-based management systems to multiple resource-based management systems that emphasize…”
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