{"id":210,"date":"2026-01-23T15:54:04","date_gmt":"2026-01-23T02:54:04","guid":{"rendered":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/?page_id=210"},"modified":"2026-01-26T10:54:42","modified_gmt":"2026-01-25T21:54:42","slug":"home","status":"publish","type":"page","link":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/","title":{"rendered":"Research"},"content":{"rendered":"\n<p>I study geometric numerical integration, a branch of numerical analysis of ordinary and partial differential equations involving methods that preserve some features of the equations and their solutions exactly. This can lead to superior qualitative behaviour, especially in large-scale or long-term simulations. <br><br>See the survey paper &#8220;<a href=\"http:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-content\/uploads\/sites\/164\/2026\/01\/JRSNZ2019.pdf\">Perspectives on geometric numerical integration<\/a>&#8221; for an introduction to this area, or my <a href=\"https:\/\/sites.massey.ac.nz\/robertmclachlan\/publications-of-robert-i-mclachlan\/\">Publications<\/a> or <a href=\"https:\/\/scholar.google.com\/citations?user=O6FaL14AAAAJ&amp;hl=en&amp;oi=ao\">Scholar<\/a> pages for further information.<\/p>\n\n\n\n<p>I also research and comment on climate and environmental issues, especially energy and transport-related emissions in New Zealand. This work is collected at my website <a href=\"https:\/\/planetaryecology.org\">Planetary Ecology<\/a>. I am a member of the <a href=\"https:\/\/planetarylimits.net\/\">Planetary Limits Academic Network<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contact<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>email: <a href=\"mailto:r.mclachlan@massey.ac.nz\">r.mclachlan@massey.ac.nz<\/a><\/li>\n\n\n\n<li>phone: 06 951 7652 (or 84652 within Massey)<\/li>\n\n\n\n<li>office: <a href=\"https:\/\/maps.app.goo.gl\/2Va2mdqgKUNpQj6z7\">ScB3.22<\/a><\/li>\n\n\n\n<li>postal: School of Mathematical and Computational Sciences, Massey University, Palmerston North 4410, New Zealand<\/li>\n\n\n\n<li>social media: <a href=\"https:\/\/www.linkedin.com\/in\/robert-mclachlan-ab448525a\/\">LinkedIn<\/a>, <a href=\"https:\/\/bsky.app\/profile\/robertmclachlan.bsky.social\">BlueSky<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I study geometric numerical integration, a branch of numerical analysis of ordinary and partial differential equations involving methods that preserve some features of the equations and their solutions exactly. This can lead to superior qualitative behaviour, especially in large-scale or &hellip; <a href=\"https:\/\/sites.massey.ac.nz\/robertmclachlan\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":294,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-210","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/pages\/210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/users\/294"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/comments?post=210"}],"version-history":[{"count":4,"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/pages\/210\/revisions"}],"predecessor-version":[{"id":219,"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/pages\/210\/revisions\/219"}],"wp:attachment":[{"href":"https:\/\/sites.massey.ac.nz\/robertmclachlan\/wp-json\/wp\/v2\/media?parent=210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}