Techniques of semigroup theory. Zbl 0744.20046
Higgins, Peter M. |
|
1992
|
The monoid of orientation-preserving mappings on a chain. Zbl 0919.20041
Catarino, P. M.; Higgins, P. M. |
|
1999
|
On relative ranks of full transformation semigroups. Zbl 0902.20027
Howie, John M.; Ruškuc, N.; Higgins, P. M. |
|
1998
|
Combinatorial results for semigroups of order-preserving mappings. Zbl 0781.20036
Higgins, Peter M. |
|
1993
|
Divisors of semigroups of order-preserving mappings on a finite chain. Zbl 0842.20054
Higgins, Peter M. |
|
1995
|
Countable versus uncountable ranks in infinite semigroups of transformations and relations. Zbl 1043.20040
Higgins, Peter M.; Howie, John M.; Mitchell, James D.; Ruškuc, Nikola |
|
2003
|
Generators and factorisations of transformation semigroups. Zbl 0920.20056
Higgins, Peter M.; Howie, John M.; Ruškuc, Nikola |
|
1998
|
Rank properties of endomorphisms of infinite partially ordered sets. Zbl 1101.06001
Higgins, P. M.; Mitchell, J. D.; Morayne, M.; Ruškuc, N. |
|
2006
|
Generating the full transformation semigroup using order preserving mappings. Zbl 1043.20041
Higgins, P. M.; Mitchell, J. D.; Ruškuc, N. |
|
2003
|
Saturated and epimorphically closed varieties of semigroups. Zbl 0539.20033
Higgins, P. M. |
|
1984
|
A proof of Simon’s theorem on piecewise testable languages. Zbl 0901.68093
Higgins, Peter M. |
|
1997
|
Digraphs and the semigroup of all functions on a finite set. Zbl 0634.20034
Higgins, Peter M. |
|
1988
|
Epimorphisms and amalgams. Zbl 0669.20050
Higgins, Peter M. |
|
1988
|
Epis are onto for generalised inverse semigroups. Zbl 0475.20052
Higgins, P. M. |
|
1981
|
Idempotent depth in semigroups of order-preserving mappings. Zbl 0817.20063
Higgins, Peter M. |
|
1994
|
The varieties of commutative semigroups for which epis are onto. Zbl 0511.20048
Higgins, P. M. |
|
1983
|
Monoids respecting \(n\)-chains of intervals. Zbl 0873.20040
Almeida, Jorge; Higgins, Peter M. |
|
1997
|
Finite aperiodic semigroups with commuting idempotents and generalizations. Zbl 0959.20051
Higgins, Peter M.; Margolis, Stuart W. |
|
2000
|
The Mitsch order on a semigroup. Zbl 0809.20052
Higgins, Peter M. |
|
1994
|
Unavoidable sets of words of uniform length. Zbl 1009.68105
Saker, C. J.; Higgins, P. M. |
|
2002
|
The range order of a product of i transformations from a finite full transformation semigroup. Zbl 0636.20041
Higgins, Peter M. |
|
1988
|
Epimorphisms, permutation identities and finite semigroups. Zbl 0546.20051
Higgins, Peter M. |
|
1984
|
Green’s relations and stability for subsemigroups. Zbl 1508.20082
East, James; Higgins, Peter M. |
|
2020
|
Epimorphisms, dominions and \(\mathcal{H}\)-commutative semigroups. Zbl 1481.20199
Alam, Noor; Higgins, Peter M.; Khan, Noor Mohammad |
|
2020
|
Orientation-preserving and orientation-reversing mappings: a new description. Zbl 1511.20226
Higgins, Peter M.; Vernitski, Alexei |
|
2022
|
The determination of all varieties consisting of absolutely closed semigroups. Zbl 0507.20025
Higgins, P. M. |
|
1983
|
The semigroup of conjugates of a word. Zbl 1126.20040
Higgins, Peter M. |
|
2006
|
Burrows-Wheeler transformations and de Bruijn words. Zbl 1278.68238
Higgins, Peter M. |
|
2012
|
A short proof of Isbell’s zigzag theorem. Zbl 0741.20045
Higgins, Peter M. |
|
1990
|
A semigroup with an epimorphically embedded subband. Zbl 0505.20043
Higgins, Peter M. |
|
1983
|
Unavoidable sets. Zbl 1097.68109
Higgins, Peter M.; Saker, Christopher J. |
|
2006
|
Permutations of a semigroup that map to inverses. Zbl 1307.20057
Higgins, Peter M. |
|
2014
|
Epimorphisms and semigroup varieties. Zbl 0531.20036
Higgins, Peter M. |
|
1984
|
An algebraic proof that pseudovarieties are defined by pseudoidentities. Zbl 0760.08005
Higgins, Peter M. |
|
1990
|
Set products in transformation semigroups. Zbl 1049.20036
Higgins, Peter M.; Howie, John M.; Ruškuc, Nik |
|
2003
|
Epimorphisms, dominions and semigroups. Zbl 0596.20055
Higgins, Peter M. |
|
1985
|
The product of the idempotents and an \(\mathcal H\)-class of the finite full transformation semigroup. Zbl 1254.20055
Higgins, Peter M. |
|
2012
|
Orthodox semigroups and permutation matchings. Zbl 1422.20037
Higgins, Peter M. |
|
2017
|
Algebras defined by equations. Zbl 1471.20038
Higgins, Peter M.; Jackson, Marcel |
|
2020
|
A class of eventually regular semigroups determined by pseudo-random sets. Zbl 0813.20071
Higgins, Peter M. |
|
1993
|
Combinatorial aspects of semigroups of order-preserving and decreasing functions. Zbl 0819.20071
Higgins, Peter M. |
|
1993
|
The converse of Lallement’s lemma. Zbl 0969.20033
Higgins, Peter M. |
|
1998
|
The gap between partial and full: an addendum. Zbl 1029.20029
Almeida, J.; Higgins, P. M.; Volkov, M. V. |
|
2001
|
Completely semisimple semigroups and epimorphisms. Zbl 0591.20061
Higgins, Peter M. |
|
1986
|
The naming of Popes and a Fibonacci sequence in two noncommuting indeterminates. Zbl 0608.10014
Higgins, Peter M. |
|
1987
|
Embedding in bisimple semigroups. Zbl 0691.20048
Higgins, Peter M. |
|
1990
|
Random products in semigroups of mappings. Zbl 0734.20029
Higgins, Peter M. |
|
1990
|
A method for constructing square roots in finite full transformation semigroups. Zbl 0552.20045
Higgins, Peter M. |
|
1985
|
On inverse subsemigroups of the semigroup of orientation-preserving or orientation-reversing transformations. Zbl 1339.20059
Catarino, Paula; Higgins, Peter M.; Levi, Inessa |
|
2015
|
Involution matchings, the semigroup of orientation-preserving and orientation-reversing mappings, and inverse covers of the full transformation semigroup. Zbl 1467.20086
Higgins, Peter M. |
|
2019
|
Algebra. A very short introduction. Zbl 1401.00002
Higgins, Peter M. |
|
2015
|
The length of short words in unavoidable sets. Zbl 1234.05010
Higgins, Peter M. |
|
2011
|
Generalized Green’s equivalences on the subsemigroups of the bicyclic monoid. Zbl 1221.20041
Descalço, L.; Higgins, P. M. |
|
2010
|
Numbers. A very short introduction. Zbl 1213.00007
Higgins, Peter M. |
|
2011
|
Embedding semigroups in semibands of depth two. Zbl 0838.20060
Higgins, Peter M. |
|
1995
|
Languages that require full scanning of words to determine membership. Zbl 1355.68159
Higgins, Peter M.; Alwan, Suhear |
|
2013
|
A new proof of Schutzenberger’s theorem. Zbl 1007.68122
Higgins, Peter M. |
|
2000
|
The pseudovariety generated by all semigroups of orientation-preserving transformations on a finite cycle. Zbl 1010.20052
Catarino, P. M.; Higgins, P. M. |
|
2002
|
Deciding some embeddability problems for semigroups of mappings. Zbl 0987.20044
Fremlin, David H.; Higgins, Peter M. |
|
2000
|
Pseudovarieties generated by transformation semigroups. Zbl 0964.20036
Higgins, Peter M. |
|
1999
|
Dense subsets of some common classes of semigroups. Zbl 0601.20058
Higgins, Peter M. |
|
1986
|
Orientation-preserving and orientation-reversing mappings: a new description. Zbl 1511.20226
Higgins, Peter M.; Vernitski, Alexei |
|
2022
|
Green’s relations and stability for subsemigroups. Zbl 1508.20082
East, James; Higgins, Peter M. |
|
2020
|
Epimorphisms, dominions and \(\mathcal{H}\)-commutative semigroups. Zbl 1481.20199
Alam, Noor; Higgins, Peter M.; Khan, Noor Mohammad |
|
2020
|
Algebras defined by equations. Zbl 1471.20038
Higgins, Peter M.; Jackson, Marcel |
|
2020
|
Involution matchings, the semigroup of orientation-preserving and orientation-reversing mappings, and inverse covers of the full transformation semigroup. Zbl 1467.20086
Higgins, Peter M. |
|
2019
|
Orthodox semigroups and permutation matchings. Zbl 1422.20037
Higgins, Peter M. |
|
2017
|
On inverse subsemigroups of the semigroup of orientation-preserving or orientation-reversing transformations. Zbl 1339.20059
Catarino, Paula; Higgins, Peter M.; Levi, Inessa |
|
2015
|
Algebra. A very short introduction. Zbl 1401.00002
Higgins, Peter M. |
|
2015
|
Permutations of a semigroup that map to inverses. Zbl 1307.20057
Higgins, Peter M. |
|
2014
|
Languages that require full scanning of words to determine membership. Zbl 1355.68159
Higgins, Peter M.; Alwan, Suhear |
|
2013
|
Burrows-Wheeler transformations and de Bruijn words. Zbl 1278.68238
Higgins, Peter M. |
|
2012
|
The product of the idempotents and an \(\mathcal H\)-class of the finite full transformation semigroup. Zbl 1254.20055
Higgins, Peter M. |
|
2012
|
The length of short words in unavoidable sets. Zbl 1234.05010
Higgins, Peter M. |
|
2011
|
Numbers. A very short introduction. Zbl 1213.00007
Higgins, Peter M. |
|
2011
|
Generalized Green’s equivalences on the subsemigroups of the bicyclic monoid. Zbl 1221.20041
Descalço, L.; Higgins, P. M. |
|
2010
|
Rank properties of endomorphisms of infinite partially ordered sets. Zbl 1101.06001
Higgins, P. M.; Mitchell, J. D.; Morayne, M.; Ruškuc, N. |
|
2006
|
The semigroup of conjugates of a word. Zbl 1126.20040
Higgins, Peter M. |
|
2006
|
Unavoidable sets. Zbl 1097.68109
Higgins, Peter M.; Saker, Christopher J. |
|
2006
|
Countable versus uncountable ranks in infinite semigroups of transformations and relations. Zbl 1043.20040
Higgins, Peter M.; Howie, John M.; Mitchell, James D.; Ruškuc, Nikola |
|
2003
|
Generating the full transformation semigroup using order preserving mappings. Zbl 1043.20041
Higgins, P. M.; Mitchell, J. D.; Ruškuc, N. |
|
2003
|
Set products in transformation semigroups. Zbl 1049.20036
Higgins, Peter M.; Howie, John M.; Ruškuc, Nik |
|
2003
|
Unavoidable sets of words of uniform length. Zbl 1009.68105
Saker, C. J.; Higgins, P. M. |
|
2002
|
The pseudovariety generated by all semigroups of orientation-preserving transformations on a finite cycle. Zbl 1010.20052
Catarino, P. M.; Higgins, P. M. |
|
2002
|
The gap between partial and full: an addendum. Zbl 1029.20029
Almeida, J.; Higgins, P. M.; Volkov, M. V. |
|
2001
|
Finite aperiodic semigroups with commuting idempotents and generalizations. Zbl 0959.20051
Higgins, Peter M.; Margolis, Stuart W. |
|
2000
|
A new proof of Schutzenberger’s theorem. Zbl 1007.68122
Higgins, Peter M. |
|
2000
|
Deciding some embeddability problems for semigroups of mappings. Zbl 0987.20044
Fremlin, David H.; Higgins, Peter M. |
|
2000
|
The monoid of orientation-preserving mappings on a chain. Zbl 0919.20041
Catarino, P. M.; Higgins, P. M. |
|
1999
|
Pseudovarieties generated by transformation semigroups. Zbl 0964.20036
Higgins, Peter M. |
|
1999
|
On relative ranks of full transformation semigroups. Zbl 0902.20027
Howie, John M.; Ruškuc, N.; Higgins, P. M. |
|
1998
|
Generators and factorisations of transformation semigroups. Zbl 0920.20056
Higgins, Peter M.; Howie, John M.; Ruškuc, Nikola |
|
1998
|
The converse of Lallement’s lemma. Zbl 0969.20033
Higgins, Peter M. |
|
1998
|
A proof of Simon’s theorem on piecewise testable languages. Zbl 0901.68093
Higgins, Peter M. |
|
1997
|
Monoids respecting \(n\)-chains of intervals. Zbl 0873.20040
Almeida, Jorge; Higgins, Peter M. |
|
1997
|
Divisors of semigroups of order-preserving mappings on a finite chain. Zbl 0842.20054
Higgins, Peter M. |
|
1995
|
Embedding semigroups in semibands of depth two. Zbl 0838.20060
Higgins, Peter M. |
|
1995
|
Idempotent depth in semigroups of order-preserving mappings. Zbl 0817.20063
Higgins, Peter M. |
|
1994
|
The Mitsch order on a semigroup. Zbl 0809.20052
Higgins, Peter M. |
|
1994
|
Combinatorial results for semigroups of order-preserving mappings. Zbl 0781.20036
Higgins, Peter M. |
|
1993
|
A class of eventually regular semigroups determined by pseudo-random sets. Zbl 0813.20071
Higgins, Peter M. |
|
1993
|
Combinatorial aspects of semigroups of order-preserving and decreasing functions. Zbl 0819.20071
Higgins, Peter M. |
|
1993
|
Techniques of semigroup theory. Zbl 0744.20046
Higgins, Peter M. |
|
1992
|
A short proof of Isbell’s zigzag theorem. Zbl 0741.20045
Higgins, Peter M. |
|
1990
|
An algebraic proof that pseudovarieties are defined by pseudoidentities. Zbl 0760.08005
Higgins, Peter M. |
|
1990
|
Embedding in bisimple semigroups. Zbl 0691.20048
Higgins, Peter M. |
|
1990
|
Random products in semigroups of mappings. Zbl 0734.20029
Higgins, Peter M. |
|
1990
|
Digraphs and the semigroup of all functions on a finite set. Zbl 0634.20034
Higgins, Peter M. |
|
1988
|
Epimorphisms and amalgams. Zbl 0669.20050
Higgins, Peter M. |
|
1988
|
The range order of a product of i transformations from a finite full transformation semigroup. Zbl 0636.20041
Higgins, Peter M. |
|
1988
|
The naming of Popes and a Fibonacci sequence in two noncommuting indeterminates. Zbl 0608.10014
Higgins, Peter M. |
|
1987
|
Completely semisimple semigroups and epimorphisms. Zbl 0591.20061
Higgins, Peter M. |
|
1986
|
Dense subsets of some common classes of semigroups. Zbl 0601.20058
Higgins, Peter M. |
|
1986
|
Epimorphisms, dominions and semigroups. Zbl 0596.20055
Higgins, Peter M. |
|
1985
|
A method for constructing square roots in finite full transformation semigroups. Zbl 0552.20045
Higgins, Peter M. |
|
1985
|
Saturated and epimorphically closed varieties of semigroups. Zbl 0539.20033
Higgins, P. M. |
|
1984
|
Epimorphisms, permutation identities and finite semigroups. Zbl 0546.20051
Higgins, Peter M. |
|
1984
|
Epimorphisms and semigroup varieties. Zbl 0531.20036
Higgins, Peter M. |
|
1984
|
The varieties of commutative semigroups for which epis are onto. Zbl 0511.20048
Higgins, P. M. |
|
1983
|
The determination of all varieties consisting of absolutely closed semigroups. Zbl 0507.20025
Higgins, P. M. |
|
1983
|
A semigroup with an epimorphically embedded subband. Zbl 0505.20043
Higgins, Peter M. |
|
1983
|
Epis are onto for generalised inverse semigroups. Zbl 0475.20052
Higgins, P. M. |
|
1981
|