Dr Maria Ivan | Department of Pure Mathematics and Mathematical Statistics

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Research Interests: Extremal Combinatorics, Ramsey Theory, Poset Saturation

College Affiliation: Fellow of Magdalene College

Previous Appointments: Szegő Assistant Professor of Mathematics, Stanford University

Publications

Antipodal paths in covers of spheres

D Ellis, M-R Ivan, I Leader, JM Mackay

(2026)

(link to publication)

Saturation for sums of posets and antichains

M-R Ivan, S Jaffe

– European Journal of Combinatorics

(2026)

138,

104421

(doi: 10.1016/j.ejc.2026.104421)

Optimal embeddings of posets in hypercubes

T Flídr, M-R Ivan, S Jaffe

– Discrete Mathematics

(2026)

349,

115316

(doi: 10.1016/j.disc.2026.115316)

Gluing posets and the dichotomy of poset saturation numbers

M Ivan, S Jaffe

– Mathematika

(2026)

72,

e70115

(doi: 10.1112/mtk.70115)

Generalised Prisms and Euclidean Ramsey Theory

M-R Ivan, I Leader, M Walters

(2026)

(doi: 10.48550/arxiv.2606.13472)

(link to publication)

Block sizes in the block sets conjecture

M-R Ivan, I Leader, M Walters

– Forum of Mathematics, Sigma

(2026)

14,

e67

(doi: 10.1017/fms.2026.10212)

Linear Saturation for $\mathcal N$ via Butterflies

M-R Ivan, N Wang

(2026)

(doi: 10.48550/arxiv.2511.08965)

The Exact Saturation Number for the Diamond

M-R Ivan, S Jaffe

(2026)

(doi: 10.48550/arxiv.2604.06521)

(link to publication)

The saturation number for the diamond is linear

M Ivan, S Jaffe

– Bulletin of the London Mathematical Society

(2026)

58,

e70305

(doi: 10.1112/blms.70305)

A New Lower Bound for the Diagonal Poset Ramsey Numbers

M-R Ivan, BA Wessels

(2026)

(doi: 10.48550/arxiv.2602.16556)

(link to publication)