Academic literature on the topic 'Biordered set'
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Journal articles on the topic "Biordered set"
Akhila, R., and P. G. Romeo. "On the lattice of biorder ideals of regular rings." Asian-European Journal of Mathematics 13, no. 06 (April 4, 2019): 2050103. http://dx.doi.org/10.1142/s179355712050103x.
Full textDandan, Yang, and Victoria Gould. "Free idempotent generated semigroups over bands and biordered sets with trivial products." International Journal of Algebra and Computation 26, no. 03 (May 2016): 473–507. http://dx.doi.org/10.1142/s021819671650020x.
Full textRajan, A. R., and V. K. Sreeja. "CONSTRUCTION OF A R-STRONGLY UNIT REGULAR MONOID FROM A REGULAR BIORDERED SET AND A GROUP." Asian-European Journal of Mathematics 04, no. 04 (December 2011): 653–70. http://dx.doi.org/10.1142/s1793557111000526.
Full textYu, Bing Jun, and Mang Xu. "A Biordered Set Representation of Regular Semigroups." Acta Mathematica Sinica, English Series 21, no. 2 (February 18, 2005): 289–302. http://dx.doi.org/10.1007/s10114-004-0490-4.
Full textEASDOWN, D., M. V. SAPIR, and M. V. VOLKOV. "PERIODIC ELEMENTS OF THE FREE IDEMPOTENT GENERATED SEMIGROUP ON A BIORDERED SET." International Journal of Algebra and Computation 20, no. 02 (March 2010): 189–94. http://dx.doi.org/10.1142/s0218196710005583.
Full textTamilarasi, A. "Idempotent-separating extensions of regular semigroups." International Journal of Mathematics and Mathematical Sciences 2005, no. 18 (2005): 2945–75. http://dx.doi.org/10.1155/ijmms.2005.2945.
Full textRen, Xueming, Yanhui Wang, and K. P. Shum. "U-Concordant Semigroups." Algebra Colloquium 25, no. 02 (May 22, 2018): 295–318. http://dx.doi.org/10.1142/s1005386718000214.
Full textGigoń, Roman S. "Completely simple congruences on E-inversive semigroups." Journal of Algebra and Its Applications 15, no. 06 (March 30, 2016): 1650052. http://dx.doi.org/10.1142/s0219498816500523.
Full textMcElwee, Brett. "SUBGROUPS OF THE FREE SEMIGROUP ON A BIORDERED SET IN WHICH PRINCIPAL IDEALS ARE SINGLETONS." Communications in Algebra 30, no. 11 (December 31, 2002): 5513–19. http://dx.doi.org/10.1081/agb-120015667.
Full textEasdown, David. "Biorder-preserving coextensions of fundamental semigroups." Proceedings of the Edinburgh Mathematical Society 31, no. 3 (October 1988): 463–67. http://dx.doi.org/10.1017/s0013091500037652.
Full textDissertations / Theses on the topic "Biordered set"
Roberts, Brad. "On bosets and fundamental semigroups." Thesis, The University of Sydney, 2007. http://hdl.handle.net/2123/2183.
Full textRoberts, Brad. "On bosets and fundamental semigroups." University of Sydney, 2007. http://hdl.handle.net/2123/2183.
Full textThe term boset was coined by Patrick Jordan, both as an abbreviation of biordered set, and as a generalisation of poset, itself an abbreviation of partially ordered set. A boset is a set equipped with a partial multiplication and two intertwining reflexive and transitive arrow relations which satisfy certain axioms. When the arrow relations coincide the boset becomes a poset. Bosets were invented by Nambooripad (in the 1970s) who developed his own version of the theory of fundamental regular semigroups, including the classical theory of fundamental inverse semigroups using semilattices, due to Munn (in the 1960s). A semigroup is fundamental if it cannot be shrunk homomorphically without collapsing its skeleton of idempotents, which is a boset. Nambooripad constructed the maximum fundamental regular semigroup with a given boset of idempotents. Fundamental semigroups and bosets are natural candidates for basic building blocks in semigroup theory because every semigroup is a coextension of a fundamental semigroup in which the boset of idempotents is undisturbed. Recently Jordan reproved Nambooripad's results using a new construction based on arbitrary bosets. In this thesis we prove that this construction is always fundamental, which was previously known only for regular bosets, and also that it possesses a certain maximality property with respect to semigroups which are generated by regular elements. For nonregular bosets this constuction may be regular or nonregular. We introduce a class of bosets, called sawtooth bosets, which contain many regular and nonregular examples, and correct a criterion of Jordan's for the regularity of this construction for sawtooth bosets with two teeth. We also introduce a subclass, called cyclic sawtooth bosets, also containing many regular and nonregular examples, for which the construction is always regular.