Isabella Novik
Research
Interests
 Algebraic and geometric combinatorics,
especially combinatorics of polytopes
and manifolds
 Connections between combinatorics, commutative algebra and algebraic
topology
Publications

Upper Bound Theorems
for homology manifolds,
Israel Journal of Mathematics, 108 (1998), 4582.

The Lower Bound Theorem for centrally symmetric simple polytopes,
Mathematika, 46 (1999), 231240.

A note on geometric embeddings of simplicial complexes in
a Euclidean space,
Discrete and Computational Geometry, 23 (2000),
293302.

Lower bounds for the cdindex of odddimensional simplicial
manifolds,
European Journal of Combinatorics 21 (2000), 533541.

Syzygies of oriented matroids
(with Alex Postnikov and Bernd Sturmfels),
Duke Mathematical Journal, 111 (2002), 287317.

Lyubeznik's resolution and rooted complexes,
Journal of Algebraic Combinatorics, 16 (2002), 97101.

A short simplicial hvector and the Upper Bound Theorem
(with Patricia Hersh) ,
Discrete and Computational Geometry,
28 (2002), 283289.

Remarks on the Upper Bound Theorem
[PS],
Journal of Combinatorial Theory Ser. A, 104
(2003), 201206.

Symmetric iterated Betti numbers
[PS],
(with Eric Babson and Rekha Thomas),
Journal of Combinatorial Theory Ser. A, 105 (2004),
233254.
 Face numbers and nongeneric initial ideals (with Eric Babson),
Electronic J. Combin., 11 (2004/06), no.2,
Research Paper 25, 23pp.
[PDF]

On face numbers of manifolds with symmetry
[PS],
Advances in Math., 192 (2005), 183208.
 Reverse Lexicographic and lexicographic shifting,
(with Eric Babson and Rekha Thomas),
Journal of Algebraic Combinatorics, 23 (2006), 107123.
[PDF]
 How neighborly can a centrally symmetric polytope be? (with Nati Linial),
Discrete and Computational Geometry 36 (2006), no. 2, 273281.
[PDF]
 Face ring multiplicity via CMconnectivity
sequences (with Ed Swartz),
Canadian Journal of Mathematics 61 (2009), no.4, 888903.
[PDF]
 A centrally symmetric version of the cyclic polytope
(with Alexander Barvinok),
Discrete and Computational Geometry, 39 (2008), 7699.
[PDF]
 Socles of Buchsbaum modules, complexes and posets (with Ed Swartz),
Advances in Mathematics 222 (2009), 20592084.
[PDF]
 Applications of Klee's DehnSommerville relations (with Ed Swartz),
Discrete and Computational Geometry, 42, Issue 2 (2009), 261276.
[PDF]
 Gorenstein rings through face rings of manifolds (with Ed Swartz),
Compositio Mathematica, 145, Issue 4 (2009), 9931000.
[PDF]
 Balanced complexes and complexes without large missing faces (with Michael Goff
and Steve Klee), Arkiv fur Matematik, 49, Issue 2 (2011), 335350.
[PDF]
 Face numbers of generalized balanced CohenMacaulay complexes (with Jonathan Browder),
Combinatorica, 31(6) (2011), 669689. [PDF]
 Face rings of simplicial complexes with singularities
(with Ezra Miller and Ed Swartz), Mathematische Annalen, 351,
Issue 4 (2011), 857875.
[PDF]
 Face numbers of pseudomanifolds with isolated singularities
(with Ed Swartz), Mathematica Scandinavica, 110 (2012), 198222.
[PDF]
 Centrally symmetric manifolds with few vertices (with Steve Klee),
Advances in Mathematics, 229 (2012), 487500.
[PDF]
 Neighborliness of the symmetric moment curve (with Alexander Barvinok and Seung Jin Lee),
Mathematika, 59 (2013), 223249. [PDF]
 Centrally symmetric polytopes with many faces
(with Alexander Barvinok and Seung Jin Lee),
Israel Journal of Mathematics, 195 (2013), no. 1,
457472. [PDF]
 Explicit constructions of centrally symmetric kneighborly
polytopes and large strictly antipodal sets
(with Alexander Barvinok and Seung Jin Lee), Discrete and Computational Geometry,
49, Issue 3 (2013), 429443.
[PDF]
 From flag complexes to banner complexes (with Steve Klee), SIAM J. Discrete Math,
27 (2013), no. 2, 11461158.
[PDF]
 Bipartite Rigidity (with Gil Kalai and Eran Nevo),
Trans. Amer. Math. Soc., 368 (2016), no. 8, 55155545.[PDF]
 Bipartite Minors (with Maria Chudnovsky, Gil Kalai, Eran Nevo, and Paul Seymour),
Journal Combinatorial Theory, Ser. B 116 (2016), 219228.[PDF]
 Lower bound theorems and a generalized lower bound conjecture for balanced simplicial complexes
(with Steve Klee), Mathematika, 62 (2016) 441477.[PDF]
 Face enumeration on simplicial complexes (with Steve Klee). Recent Trends in Combinatorics, 653686, IMA Vol. Math. Appl., 159, Springer, 2016.
[PDF]:
 Face numbers of manifolds with boundary (with Satoshi Murai), Int. Math. Res. Not. IMRN, 2017, No. 12, 36033646.
[PDF]
 Simplicial moves on balanced complexes (with Ivan Izmestiev and Steve Klee), Advances in Mathematics, 320C (2017), 82114.
[PDF]
 A duality in Buchsbaum rings and triangulated manifolds (with Satoshi Murai and Kenichi Yoshida),
Algebra & Number Theory, 113 (2017), 635656.
[PDF]
 Face numbers and the fundamental group (with Satoshi Murai), Israel Journal of Mathematics, 222 (2017), 297315.
[PDF]
 A generalized lower bound theorem for balanced manifolds (with Martina JuhnkeKubitzke, Satoshi Murai, and Connor Sawaske), Mathematische Zeitschrift, 289 (2018), no. 34, 921942.
[PDF]
 A lower bound theorem for centrally symmetric simplicial polytopes (with Steve Klee, Eran Nevo, and Hailun Zheng), Discrete and Computational Geometry, 61 (2019), no. 3, 541561.
[PDF]
 A tale of centrally symmetric polytopes and spheres. Recent Trends in Algebraic Combinatorics, 305331, Association for Women in Mathematics Series, Vol. 16, Springer, 2019.
[PDF]
 From acute sets to centrally symmetric 2neighborly polytopes, SIAM Journal on Discrete Mathematics, 32 (2018), no. 3, 15721576.
[PDF]
 Convex union representability and convex codes (with Amzi Jeffs), Int. Math. Res. Not. IMRN, 2021, no. 9, 71327158
[PDF]
 Highly neighborly centrally symmetric spheres (with Hailun Zheng), Advances in Mathematics, 370 (2020), 107238.
[PDF]
 gvectors of manifolds with boundary (with Ed Swartz), Algebraic Combinatorics, Volume 3 (2020) no. 4, 887911.
[PDF]
 New families of highly neighborly centrally symmetric spheres (with Hailun Zheng), Trans. Amer. Math. Soc., 375 (2022), 44454475.
[PDF]
 The stresses on centrally symmetric complexes and the lower bound theorems (with Hailun Zheng), Algebraic Combinatorics, Volume 4, (2021) no. 3, 541549.
[PDF]
 Many neighborly spheres (with Hailun Zheng), Mathematische Annalen, 388 (2024), 969984. [PDF]
 Reconstructing simplicial polytopes from their graphs and affine 2stresses (with Hailun Zheng), Israel Journal of Mathematics, 255 (2023), 891910.
[PDF]
 Face numbers: the upper bound side of the story, ICMInternational Congress of Mathematicians, Vol. VI. Sections 1214, 46224645, EMS Press, Berlin, (2023). [PDF];
the talk itself can be found here
 Neighborly spheres and transversal numbers (with Hailun Zheng), to appear in the AMS volume on Open Problems in Algebraic Combinatorics,
to accompany the 2022 conference held at UMN. [PDF]
 Affine stresses: the partition of unity and Kalai's reconstruction conjectures (with Hailun Zheng), submitted.
[PDF]
 The merging operation and (di)simplicial isimple dpolytopes (with Hailun Zheng), submitted.
[PDF]
 Affine stresses, inverse systems, and reconstruction problems (with Satoshi Murai and Hailun Zheng), accepted to Int. Math. Res. Not. IMRN.
[PDF]
I am on the editorial boards of
Algebraic Combinatorics,
Proceedings of the AMS,
and SIAM Journal on Discrete Mathematics
I am also coorganizing the
Combinatorics and Geometry Seminar
at the University of Washington together with
Sara Billey, Gaku Liu, and Ricky Liu