Results 21 to 30 of about 6,014 (285)

t-designs involving treatment combinations for animal experimentation

open access: yesIndian Journal of Animal Sciences, 2023
Small and marginal farmers in India prefer an Integrated Farming System (IFS) approach i.e. a mixture of crop and livestock that enables them to maintain a stable income throughout the year.
SAYANTANI KARMAKAR   +3 more
doaj   +1 more source

On incomplete and balanced incomplete block designs [PDF]

open access: yesProceedings of the American Mathematical Society, 1963
By an incomplete block design we will mean an arrangement of v different varieties of objects in b distinct blocks or sets such that a block does not contain all the varieties and a variety appears at most once in a block. An incomplete block design which satisfies two extra conditions, viz.
openaire   +2 more sources

Circular designs balanced for neighbours at distances one and two [PDF]

open access: yes, 2014
Date of Acceptance: 23/05/2014We define three types of neighbour-balanced designs for experiments where the units are arranged in a circle or single line in space or time.
Aldred, R E L   +7 more
core   +1 more source

Convex Cone Conditions on the Structure of Designs [PDF]

open access: yes, 2003
Various known and original inequalities concerning the structure of combinatorial designs are established using polyhedral cones generated by incidence matrices. This work begins by giving definitions and elementary facts concerning t-designs.
Dukes, Peter James
core   +1 more source

Partially Balanced Incomplete Block Designs [PDF]

open access: yes, 1969
In balanced incomplete block designs, each pair of treatments is compared with equal precision, and each treatment is paired with every other treatment an equal number of times with in a common block; A is a constant for all treatments.
Shih, Yaw-Tarng
core   +2 more sources

On the Classification of Splitting (v, u×c, λ) BIBDs

open access: yesCybernetics and Information Technologies, 2018
The (v, u×c, λ)-splitting balanced incomplete block designs correspond to c-splitting authentication codes. We classify splitting balanced incomplete block designs with definite parameters.
Zhelezova Stela
doaj   +1 more source

Symmetric Balanced Incomplete Block Designs (Sbibd) And Construction of Hadamard Rhotrices [PDF]

open access: yesMATEC Web of Conferences
Balanced Incomplete Block Designs (BIBD) are the designs obtained from the arrangement of symbols in blocks following established rules and satisfying relevant necessary conditions.
Manivilasam Madhusoodanan Nair   +2 more
doaj   +1 more source

A Regular D‑optimal Weighing Design with Negative Correlations of Errors

open access: yesActa Universitatis Lodziensis. Folia Oeconomica, 2019
The issues concerning optimal estimation of unknown parameters in the model of chemical balance weighing designs with negative correlated errors are considered. The necessary and sufficient conditions determining the regular D‑optimal design and some new
Małgorzata Graczyk, Bronisław Ceranka
doaj   +1 more source

Generalized partially balanced incomplete block designs [PDF]

open access: yes, 1987
The concept of generalized partially balanced incomplete block (PBIB) design is introduced. Generalized PBIB designs are shown to be useful for the construction of equireplicate balanced block designs, pairwise balanced designs and BIB ...
Sinha, Kishore
core   +1 more source

Nested balanced incomplete block designs

open access: yesDiscrete Mathematics, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Morgan, J. P.   +2 more
openaire   +3 more sources

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