activity
20142026
most citedComputations for symbolic substitutions

3 citations · 16 across the 24 of their papers we have counts for

collaborators

26 papers

math.AC2026

The importance of being isolated

Scott Balchin, Juan Omar Gómez, Greg Stevenson

We give both a sufficient condition for and an obstruction to the derived category of a commutative ring being generated by its residue fields. As an illustration, we exhibit a rin…

math.AT2025

Torsion models for tensor-triangulated categories

Scott Balchin, J. P. C. Greenlees, Luca Pol +1

Given a rigidly-compactly generated tensor-triangulated category whose Balmer spectrum is finite dimensional and Noetherian, we construct a torsion model for it, which is equivalen…

math.AC2024

Classifying smashing ideals in derived categories of valuation domains

Scott Balchin, Florian Tecklenburg

Building on results of Bazzoni-Šťov\'ıček, we give a complete classification of the frame of smashing ideals for the derived category of a finite dimensional valuation domain. In p…

math.AT2024

Profinite equivariant spectra and their tensor-triangular geometry

Scott Balchin, David Barnes, Tobias Barthel

We study the tensor-triangular geometry of the category of equivariant -spectra for a profinite group, . Our starting point is the construction of a ``continu…

math.AT2023

Prismatic decompositions and rational -spectra

Scott Balchin, Tobias Barthel, J. P. C. Greenlees

We study the tensor-triangular geometry of the category of rational -spectra for a compact Lie group . In particular, we prove that this category can be naturally decomposed…

math.AT2023

Tensor-triangular rigidity in chromatic homotopy theory

Scott Balchin, Constanze Roitzheim, Jordan Williamson

We study the uniqueness of enhancements of tensor-triangulated categories. To do so, we provide conditions under which these enhancements interact well with categorical decompositi…

math.AT2022★ 1 cited

The combinatorics of operads for and

Scott Balchin, Ethan MacBrough, Kyle Ormsby

We provide a general recursive method for constructing transfer systems on finite lattices. Using this we calculate the number of homotopically distinct operads for dihe…

math.AT2022★ 2 cited

Lifting operads from conjugacy data

Scott Balchin, Ethan MacBrough, Kyle Ormsby

We isolate a class of groups -- called lossless groups -- for which homotopy classes of - operads are in bijection with certain restricted transfer systems on the pose…

math.AT2022

Composition closed premodel structures and the Kreweras lattice

Scott Balchin, Ethan MacBrough, Kyle Ormsby

We investigate the rich combinatorial structure of premodel structures on finite lattices whose weak equivalences are closed under composition. We prove that there is a natural ref…

math.CT2021

Big categories, big spectra

Scott Balchin, Greg Stevenson

We introduce a new topological invariant of a rigidly-compactly generated tensor-triangulated category and two new notions of support. The first is based on smashing subcategories:…

math.AT2021

Model structures on finite total orders

Scott Balchin, Kyle Ormsby, Angélica M. Osorno +1

We initiate the study of model structures on (categories induced by) lattice posets, a subject we dub homotopical combinatorics. In the case of a finite total order , we enume…

math.AT2021

Separated and complete adelic models for one-dimensional Noetherian tensor-triangulated categories

Scott Balchin, J. P. C. Greenlees

We prove the existence of various adelic-style models for rigidly small-generated tensor-triangulated categories whose Balmer spectrum is a one-dimensional Noetherian topological s…

math.AT2020★ 3 cited

Torsion models for tensor-triangulated categories: the one-step case

Scott Balchin, J. P. C. Greenlees, Luca Pol +1

Given a suitable stable monoidal model category and a specialization closed subset of its Balmer spectrum one can produce a Tate square for decomposing objects in…

math.AT2020★ 2 cited

Equivariant homotopy commutativity for

Scott Balchin, Daniel Bearup, Clelia Pech +1

We investigate the combinatorial data arising from the classification of equivariant homotopy commutativity for cyclic groups of order for distinct pri…

math.AG2019

On the number of rational points of classifying stacks for Chevalley group schemes

Scott Balchin, Frank Neumann

We compute the number of rational points of classifying stacks of Chevalley group schemes using the Lefschetz-Grothendieck trace formula of Behrend for -adic cohomology of al…

math.AT2019

-operads and associahedra

Scott Balchin, David Barnes, Constanze Roitzheim

We provide a new combinatorial approach to studying the collection of N-infinity-operads in G-equivariant homotopy theory for G a finite cyclic group. In particular, we show that f…

math.AT2019

Adelic models of tensor-triangulated categories

J. P. C. Greenlees, Scott Balchin

We show that a well behaved Noetherian, finite dimensional, stable, monoidal model category is equivalent to a model built from categories of modules over completed rings in an ade…

math.CT2018

Bousfield localisation and colocalisation of one-dimensional model structures

Scott Balchin, Richard Garner

We give an account of Bousfield localisation and colocalisation for one-dimensional model categories---ones enriched over the model category of -types. A distinguishing feature…

math.AG2017★ 2 cited

Augmented Homotopical Algebraic Geometry

Scott Balchin

We develop the framework for augmented homotopical algebraic geometry. This is an extension of homotopical algebraic geometry, which itself is a homotopification of classical algeb…

math.DS2017

A Computational Method for Large Scale Searching of Counterexamples to the Strong Coincidence Conjecture

Scott Balchin

In this short note we report on results on a computational search for a counterexample to the strong coincidence conjecture. In particular, we discuss the method used so that furth…

math.DS2017★ 3 cited

Computations for symbolic substitutions

Dan Rust, Scott Balchin

We provide a survey of results from symbolic dynamics and algebraic topology relating to Grout, a new user-friendly program developed to calculate combinatorial properties and topo…

math.AT2016

Homotopy of Planar Lie Group Equivariant Presheaves

Scott Balchin

We utilise the theory of crossed simplicial groups to introduce a collection of local Quillen model structures on the category of simplicial presheaves with a compact planar Lie gr…

math.CT2016

Crossed Simplicial Group Categorical Nerves

Scott Balchin

We extend the notion of the nerve of a category for a small class of crossed simplicial groups, explicitly describing them using generators and relations. We do this by first consi…

math.DS2015★ 1 cited

Grout: A 1-Dimensional Substitution Tiling Space Program

Scott Balchin, Dan Rust

We introduce a GUI fronted program that can compute combinatorial properties and topological invariants of recognisable and primitive symbolic substitutions on finite alphabets and…