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Articles 4651 - 4680 of 7655
Full-Text Articles in Entire DC Network
A-Logic, Richard Bradshaw Angell
A-Logic, Richard Bradshaw Angell
Philosophy Faculty Research Publications
A-LOGIC is a full-length book (600+ pg). It functions as a system of logic designed to: 1) solve the standard paradoxes and major problems of standard mathematical logic; 2) minimize that logic's anomalies with respect to ordinary language, yet; 3) prove that all theorems in mathematical logic are tautologies.
It covers lst order logic the logic of the words "and", "or", "not", "all" and "some". But it also has a non truth functional "if...then" and differs in its definition of validity, its semantics and its theorems. In the book A-logic is contrasted step by step with standard mathematical logic as …
Altematives To SW In The Bracketed Interval Of The Trimmed Mean, Jennifer Bunner, Shlomo S. Sawilowsky
Altematives To SW In The Bracketed Interval Of The Trimmed Mean, Jennifer Bunner, Shlomo S. Sawilowsky
Theoretical and Behavioral Foundations of Education Faculty Publications
The aim of this Monte Carlo study is to examine altematives to estimated variability in building bracketed intervals about the trimmed mean.
Modeling Of Advective Solute Transport In Sandy Sediments Inhabited By The Lugworm Arenicola Marina, Karen Timmermann, Jan H. Christensen, Gary T. Banta
Modeling Of Advective Solute Transport In Sandy Sediments Inhabited By The Lugworm Arenicola Marina, Karen Timmermann, Jan H. Christensen, Gary T. Banta
Journal of Marine Research
Irrigation by the lugworm Arenicola marina has a major impact on solute transport and distributions in nearshore environments due to the subsurface injection of overlying water at depth (typically 15-20 cm) and the resulting advective water flow within the sediment back toward the sediment surface. A mechanistic one-dimensional diffusion and advection model which emphasizes the injection and advective transport of solutes within the sediment not described in previous irrigation models was developed to describe irrigation by A. marina. The model was verified by comparing its results to measured pore-water tracer (Br) profiles and it is concluded that the model …
South Dakota State University Basketball - 2003, South Dakota State University
South Dakota State University Basketball - 2003, South Dakota State University
Jackrabbit Basketball Media Guides (1998-2014)
This is the South Dakota State University Jackrabbit Basketball 2002-2003 media guide.
Accuracy, Resolution And Stability Properties Of A Modified Chebyshev Method, Jodi Mead, Rosemary A. Renaut
Accuracy, Resolution And Stability Properties Of A Modified Chebyshev Method, Jodi Mead, Rosemary A. Renaut
Mathematics Faculty Publications and Presentations
While the Chebyshev pseudospectral method provides a spectrally accurate method, integration of partial differential equations with spatial derivatives of order M requires time steps of approximately O(N−2M) for stable explicit solvers. Theoretically, time steps may be increased to O(N−M) with the use of a parameter, α-dependent mapped method introduced by Kosloff and Tal-Ezer [ J. Comput. Phys., 104 (1993), pp. 457–469]. Our analysis focuses on the utilization of this method for reasonable practical choices for N, namely N ≲ 30, as may be needed for two- or three dimensional modeling. Results presented …
Nonlinear Dynamics Of Modulation Formats For 40 Gb/S Transmission On Standard Single-Mode Fiber And Dispersion-Managed Fiber, Andrey Kanaev, Gregory Luther, Vassilios Kovanis
Nonlinear Dynamics Of Modulation Formats For 40 Gb/S Transmission On Standard Single-Mode Fiber And Dispersion-Managed Fiber, Andrey Kanaev, Gregory Luther, Vassilios Kovanis
Articles
The nonlinear properties of NRZ, RZ50, RZ33, CSRZ, and DPSK in 40 Gbit/s 1000 km single fiber and DMF systems are analysed. We find that DPSK provides 1.3 dBQ nonlinear tolerance advantage over RZ in both optical links. We show that RZ formats tolerate 2 dBm higher power per channel than NRZ, further increasing their advantage in linear receiver sensitivity. We find that smaller duty cycle formats exhibit better performance due to suppression of sXPM and sFWM and CSRZ nonlinear tolerance to sFWM is enhanced due to the intermittent phase of the signal. In addition, we determine linear cross-talk penalties …
Regression Analysis Of Recurrent Gap Times With Time-Dependent Covariates, Ying Qing Chen, Mei-Cheng Wang, Yijian Huang
Regression Analysis Of Recurrent Gap Times With Time-Dependent Covariates, Ying Qing Chen, Mei-Cheng Wang, Yijian Huang
U.C. Berkeley Division of Biostatistics Working Paper Series
Individual subjects may experience recurrent events of same type over a relatively long period of time in a longitudinal study. Researchers are often interested in the distributional pattern of gaps between the successive recurrent events and their association with certain concomitant covariates as well. In this article, their probability structure is investigated in presence of censoring. According to the identified structure, we introduce the proportional reverse-time hazards models that allow arbitrary baseline function for every individual in the study, when the time-dependent covariates effect is of main interest. Appropriate inference procedures are proposed and studied to estimate the parameters of …
Estimating Causal Parameters In Marginal Structural Models With Unmeasured Confounders Using Instrumental Variables, Tanya A. Henneman, Mark Johannes Van Der Laan, Alan E. Hubbard
Estimating Causal Parameters In Marginal Structural Models With Unmeasured Confounders Using Instrumental Variables, Tanya A. Henneman, Mark Johannes Van Der Laan, Alan E. Hubbard
U.C. Berkeley Division of Biostatistics Working Paper Series
For statisticians analyzing medical data, a significant problem in determining the causal effect of a treatment on a particular outcome of interest, is how to control for unmeasured confounders. Techniques using instrumental variables (IV) have been developed to estimate causal parameters in the presence of unmeasured confounders. In this paper we apply IV methods to both linear and non-linear marginal structural models. We study a specific class of generalized estimating equations that is appropriate to these data, and compare the performance of the resulting estimator to the standard IV method, a two-stage least squares procedure. Our results are applied to …
Language Matters: Designing State And County Contracts For Services Under Temporary Assistance For Needy Families, Eileen Sweeney, Barbara L. Bezdek, Sharon Parrott, Carol W. Medaris, Cary Lacheen
Language Matters: Designing State And County Contracts For Services Under Temporary Assistance For Needy Families, Eileen Sweeney, Barbara L. Bezdek, Sharon Parrott, Carol W. Medaris, Cary Lacheen
Faculty Scholarship
No abstract provided.
Toward Better Bubbles And Future Lives: A Progressive Response To The Conservative Agenda For Reforming Environmental Law, Rena I. Steinzor
Toward Better Bubbles And Future Lives: A Progressive Response To The Conservative Agenda For Reforming Environmental Law, Rena I. Steinzor
Faculty Scholarship
No abstract provided.
Left Adjoint Of Pullback Cat^1- Profinite Groups, Murat Alp
Left Adjoint Of Pullback Cat^1- Profinite Groups, Murat Alp
Turkish Journal of Mathematics
In this paper, we present a brief review crossed modules \cite{whitehead}, cat^1-groups \cite{loday}, profinite crossed modules \cite{kortim}, cat^1-profinite groups \cite{kortim}, pullback profinite crossed modules \cite{kortim} and also the pullback cat^1- profinite groups \cite{hind}. We prove that the pulback cat^1-profinite group has a left adjoint which is the induced cat^1-group.
New Tensor Norms And Operator Ideals Associated To Interpolation Spaces Between Sequence Spaces, G. Castaneda, J. A. Lopez Molina, M. J. Rivera
New Tensor Norms And Operator Ideals Associated To Interpolation Spaces Between Sequence Spaces, G. Castaneda, J. A. Lopez Molina, M. J. Rivera
Turkish Journal of Mathematics
We introduce a wide class of tensor norms g_{\lambda,\rho} which are defined with the help of interpolation spaces between perfect sequence spaces defined by a general parameter real interpolation method. We also characterize the associated \lambda_{\rho}-nuclear and \lambda_{\rho}-integral operators.
Characterizations Of Artinian And Noetherian Gamma-Rings In Terms Of Fuzzy Ideals, Mehmet Ali̇ Öztürk, Mustafa Uçkun, Young Bae Jun
Characterizations Of Artinian And Noetherian Gamma-Rings In Terms Of Fuzzy Ideals, Mehmet Ali̇ Öztürk, Mustafa Uçkun, Young Bae Jun
Turkish Journal of Mathematics
Using fuzzy ideals, characterizations of Noetherian \Gamma-rings are given, and a condition for a \Gamma-ring to be Artinian is also given.
On Non-Existence Of Korovkin's Theorem In The Space Of L_{P}-Locally Integrable Functions, A. D. Gadjiev, Ertan İbi̇kli̇
On Non-Existence Of Korovkin's Theorem In The Space Of L_{P}-Locally Integrable Functions, A. D. Gadjiev, Ertan İbi̇kli̇
Turkish Journal of Mathematics
It is shown that a Korovkin-type theorem does not hold in the weighted space of L_{p}-locally integrable functions on the whole real axis.
Deformation Inequivalent Complex Conjugated Complex Structures And Applications, Viatcheslav Kharlamov, Viktor Kulikov
Deformation Inequivalent Complex Conjugated Complex Structures And Applications, Viatcheslav Kharlamov, Viktor Kulikov
Turkish Journal of Mathematics
We start from a short summary of our principal result from [KK]: an example of a complex algebraic surface which is not deformation equivalent to its complex conjugate and which, moreover, has no homeomorphisms reversing the canonical class. Then, we generalize this result to higher dimensions and construct several series of higher dimensional compact complex manifolds having no homeomorphisms reversing the canonical class. After that, we resume and broaden the applications given in [KK] and [KK2], in particular, as a new application, we propose examples of (deformation) non equivalent symplectic structures with opposite canonical classes.
Combinatorial Patchworking Of Real Pseudo-Holomorphic Curves, Ilia Itenberg, Eugenii Shustin
Combinatorial Patchworking Of Real Pseudo-Holomorphic Curves, Ilia Itenberg, Eugenii Shustin
Turkish Journal of Mathematics
The Viro method of construction of real algebraic varieties with prescribed topology uses convex subdivisions of Newton polyhedra. We show that in the case of arbitrary (not necessarily convex) subdivisions of polygons corresponding to C P^2 and rational ruled surfaces \Sigma_a, a \geq 0 the Viro method produces pseudo-holomorphic curves. The version of the Viro method discussed in the paper also gives a possibility to construct singular pseudo-holomorphic curves by gluing singular algebraic curves whose collections of singularities do not permit to glue these curves in the framework of the standard Viro method. As an application, we construct a series …
On 1-Point Gromov-Witten Invariants Of The Hilbert Schemes Of Points On Surfaces, Wei-Ping Li, Zhenbo Qin
On 1-Point Gromov-Witten Invariants Of The Hilbert Schemes Of Points On Surfaces, Wei-Ping Li, Zhenbo Qin
Turkish Journal of Mathematics
We compute certain 1-point genus-0 Gromov-Witten invariants of the Hilbert scheme of points on a simply-connected smooth projective surface.
Evidence For A Conjecture Of Pandharipande, Jim Bryan
Evidence For A Conjecture Of Pandharipande, Jim Bryan
Turkish Journal of Mathematics
In his paper ``Hodge integrals and degenerate contributions'', Pandharipande studied the relationship between the enumerative geometry of certain 3-folds and the Gromov-Witten invariants. In some good cases, enumerative invariants (which are manifestly integers) can be expressed as a rational combination of Gromov-Witten invariants. Pandharipande speculated that the same combination of invariants should yield integers even when they do not have any enumerative significance on the 3-fold. In the case when the 3-fold is the product of a complex surface and an elliptic curve, Pandharipande has computed this combination of invariants on the 3-fold in terms of the Gromov-Witten invariants of …
Variations On Fintushel-Stern Knot Surgery On 4-Manifolds, Selman Akbulut
Variations On Fintushel-Stern Knot Surgery On 4-Manifolds, Selman Akbulut
Turkish Journal of Mathematics
We discuss some consequences Fintushel-Stern `knot surgery' operation coming from its handlebody description. We give some generalizations of this operation and give a counterexample to their conjecture.
Braids And Symplectic Four-Manifolds With Abelian Fundamental Group, Paul Seidel
Braids And Symplectic Four-Manifolds With Abelian Fundamental Group, Paul Seidel
Turkish Journal of Mathematics
We explain how a version of Floer homology can be used as an invariant of symplectic manifolds with b_1>0. As a concrete example, we look at four-manifolds produced from braids by a surgery construction. The outcome shows that the invariant is nontrivial; however, it is an open question whether it is stronger than the known ones.
Low-Dimensional Homology Groups Of Mapping Class Groups: A Survey, Mustafa Korkmaz
Low-Dimensional Homology Groups Of Mapping Class Groups: A Survey, Mustafa Korkmaz
Turkish Journal of Mathematics
In this survey paper, we give a complete list of known results on the first and the second homology groups of surface mapping class groups. Some known results on higher (co) homology are also mentioned.
Gauge Theory And Stein Fillings Of Certain 3-Manifolds, Andras I. Stipsicz
Gauge Theory And Stein Fillings Of Certain 3-Manifolds, Andras I. Stipsicz
Turkish Journal of Mathematics
In the following we show that a Stein filling S of the 3-torus T^3 is homeomorphic to D^2 \times T^2. In the proof we also show that if S is Stein and \partial S is diffeomorphic to the Seifert fibered 3-manifold -\Sigma (2,3,11) then b_1(S)=0 and Q_S=H. Similar results are obtained for the Poincaré homology sphere \pm \Sigma (2,3,5); in studying these fillings we apply recent gauge theoretic results, and prove our theorems by determining certain Seiberg-Witten invariants.
Geology Of The Ören And Surrounding Areas, Sw Anatolia, Ömer Feyzi̇ Gürer, Yücel Yilmaz
Geology Of The Ören And Surrounding Areas, Sw Anatolia, Ömer Feyzi̇ Gürer, Yücel Yilmaz
Turkish Journal of Earth Sciences
On the Lycian Nappes of SW Anatolia, Neogene basins developed along two different trends in different periods. NNE-trending basins formed during the Early-Middle Miocene period as exemplified by the Ören and Yatağan grabens. These graben fills consist of three distinct rock units. At the base are (1) coarse clastics, sourced from elevated areas adjacent to the basin-bounding faults. These are linear river-valley fills. They give way upward to (2) alternating coal-bearing sandstone and limestone as the graben valleys were gradually widened, and the surrounding mountains were reduced by erosion. Finally, lake environment formed, invading the region during the advanced stage …
Upper Cretaceous Stratigraphy Of The Bey Dağları Carbonate Platform, Korkuteli Area (Western Taurides, Turkey), Bi̇lal Sari, Saci̇t Özer
Upper Cretaceous Stratigraphy Of The Bey Dağları Carbonate Platform, Korkuteli Area (Western Taurides, Turkey), Bi̇lal Sari, Saci̇t Özer
Turkish Journal of Earth Sciences
The Upper Cretaceous Korkuteli (Antalya) carbonate sequence of the Bey Dağları autochthonous unit (western Taurides) comprises two formations. The Cenomanian-Santonian Bey Dağları formation lies at the base of this sequence and can be divided into two parts. Neritic part is characterized by platform-type, peritidal limestones and comprises an approximately 600-m-thick sequence that contains two main rudistid horizons corresponding to Cenomanian and early Santonian. The neritic limestones pass gradually upward into the 15-m-thick, middle-upper Santonian massive hemipelagic limestones that form the upper part. The upper Campanian-middle Maastrichtian Akdağ formation consists totally of pelagic limestones that indicate basinal conditions and disconformably overlies …
Obituary, Gülsen Uçarkul, Tuncay Taymaz
Obituary, Gülsen Uçarkul, Tuncay Taymaz
Turkish Journal of Earth Sciences
No abstract provided.
Geologic And Tectonic History Of The Western Snake River Plain, Idaho And Oregon, Spencer H. Wood, Drew M. Clemens
Geologic And Tectonic History Of The Western Snake River Plain, Idaho And Oregon, Spencer H. Wood, Drew M. Clemens
Geosciences Faculty Publications and Presentations
The western Snake River Plain is a Neogene-aged intracontinental rift basin, about 70 km wide and 300 km long, trending northwest across the southern Idaho batholith. Its southeastern end merges with the northeast-trending eastern plain, a structural downwarp associated with extension along the track of the Yellowstone hot spot. Orientation of the western plain rift is parallel to several regional northwest-trending crustal discontinuities, such as the Olympic-Wallowa lineament and the Brothers fault zone, suggesting that the rift failed along zones of lithospheric weakness, as the lithosphere was softened by the passing hot spot. Crustal refraction data and gravity show that …
Boise State University 2002-2003: Undergraduate Catalog, Boise State University
Boise State University 2002-2003: Undergraduate Catalog, Boise State University
University Catalogs
No abstract provided.
Graduate Catalog Boise State University: 2002-2003, Boise State University
Graduate Catalog Boise State University: 2002-2003, Boise State University
University Catalogs
No abstract provided.
Division Of Research And Economic Development Annual Report For Fy2002, Uri Division Of Research And Economic Development
Division Of Research And Economic Development Annual Report For Fy2002, Uri Division Of Research And Economic Development
Reports (Research and Economic Development)
Annual report for the Division of Research and Economic Development of the University of Rhode Island for the year 2001-2002.
Includes statistics of project proposals, expenditures, URI Foundation Awards, previous annual report summaries and awards received by individual academic and administrative departments.
Montpelier: James Madison University Magazine, James Madison University
Montpelier: James Madison University Magazine, James Madison University
Montpelier Magazine- 2000-2005
Montpelier is an official publication of James Madison University and is produced quarterly for alumni, parents of JMU students, faculty and staff members, and friends of the university. The publication is named for the home of James and Dolley Madison. Montpelier is produced by the Division of University Relations and External Programs. Editorial and advertising offices are located at 26 Medical Arts West, MSC 5718, James Madison University, Harrisonburg, VA 22807.