Research talks

• The order Lozanovsky spectrum of a positive operator, Conference on Ordered Structures with Applications (COSA) 2024, Marrakech, Morocco (5 - 9 February 2024)

• Mapping properties for the upper Weyl and upper Browder spectra, FAOTSA23 Workshop, Wits Rural Facility, South Africa (3 - 7 July 2023)

• r-Fredholm theory in general ordered Banach algebras, Banach algebras and Applications 2022, University of Granada, Spain (18 - 23 July 2022)

• r-Fredholm theory in ordered Banach algebras, SAMS National Congress, University of Cape Town, South Africa (2 - 4 December 2019)

• The Lozanovsky spectrum of a positive element, NWU Mathematics Workshop 2019: Functional Analysis and its Applications, North West University,  South Africa (25 - 27 September 2019)

• Connections between Fredholm theory and positivity in general ordered Banach algebras, Banach algebras and Applications 2019, University of Manitoba, Canada (11 - 18 July 2019)

• A spectral mapping theorem for the upper Weyl spectrum, Positivity X, University of Pretoria, South Africa (8 - 12 July 2019)

• The connected hull of the upper Weyl spectrum, African Women in Mathematics Conference, Stellenbosch University, South Africa (2 - 5 July 2019)

• The lower Weyl spectrum of a positive element, SAMS National Congress, Rhodes University, South Africa (3 - 5 December 2018)

• Spectral mapping theorems for the upper Weyl and upper Browder spectra, SAMS National Congress, North West University, South Africa (20 - 22 November 2017)

• Connections between Fredholm theory and positivity in general ordered Banach algebras, Mini-workshop in Functional Analysis, Leiden University, The Netherlands (2 - 4 May 2017)

• The upper Browder spectrum property, AGFA und IAA Workshop, Heinrich Fabri Institut Blaubeuren, Germany (15 - 17 December 2016)

• The upper Browder spectrum property: ordered Banach algebras with disjunctive products, SAMS National Congress, University of Witwatersrand, South Africa (4 - 6 November 2015)

• Fredholm theory in ordered Banach algebras, NWU-PUK Mathematics Workshop: Functional Analysis and its applications, North West University, South Africa (23 - 26 September 2015)

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Invited research talks

• Fredholm theory in ordered Banach algebras (results to date), Departmental Research Seminar Talk, University of the Free State, South Africa (28 August 2023)

• The connected hull of the upper Weyl spectrum, University of Johannesburg Seminar (21 September 2021), Online

• The upper Weyl spectrum of an arbitrary ordered Banach algebra element, AIMS Mathematical Sciences Student Academic Conference, AIMS South Africa (11 - 12 July 2019)

• The upper Browder spectrum property in ordered Banach algebras (6 July 2018), Some aspects of the upper Weyl and upper Browder spectra (5 July 2018), Upper Weyl and upper Browder theory (4 July 2018), University of Zambia, Zambia

• Interplay between Fredholm theory and positivity in ordered Banach algebras, 2nd Conference of West African Women in Mathematics, University of Ibadan, Nigeria (25 - 27 June 2018)

• Connections between Fredholm theory and positivity in general ordered Banach algebras, AIMS Journal Club, AIMS South Africa (28 November 2017)

• Fredholm theory in general ordered Banach algebras, Leipzig University, Germany (26 April 2017)

• Connections between Fredholm theory and positivity in general ordered Banach algebras, Technische Universität Dresden, Germany (25 April 2017)

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