Publications

Suyoung Choi, Hyeontae Jang Stellar subdivisions, wedges and Buchstaber numbers (with Hyeontae Jang) Algebr. Geom. Topol., 26 (2026) no. 2, 751–759.

Suyoung Choi, Younghan Yoon Real toric manifolds associated with chordal nestohedra (with Younghan Yoon) J. Combin. Theory, Ser. A, 217 (2026), Paper No. 106102, 38 pp.

Suyoung Choi, Hyeontae Jang, Mathieu Vallée Toric wedge induction and toric lifting property for piecewise linear spheres with a few vertices (with Hyeontae Jang, Mathieu Vallée) J. London Math. Soc., 112 (2025), no. 1, Paper No. e70231, 24 pp.

Suyoung Choi, Taekgyu Hwang, Hyeontae Jang Strong cohomological rigidity of Bott manifolds (with Taekgyu Hwang, Hyeontae Jang) Adv. Math., 473 (2025), 110305.

Suyoung Choi, Younghan Yoon, Seonghyeon Yu The Betti numbers of real toric varieties associated to Weyl chambers of types E7 and E8 (with Younghan Yoon, Seonghyeon Yu) Osaka J. Math., 61 (3) (2024), 409–417.

Suyoung Choi, Hyeontae Jang, Mathieu Vallée The characterization of (n-1)-spheres with n+4 vertices having maximal Buchstaber number (with Hyeontae Jang, Mathieu Vallée) J. Reine Angew. Math., 811 (2024), 267–292.

Suyoung Choi, Taekgyu Hwang Gromov width of symplectic toric manifolds associated with graphs (with Taekgyu Hwang) Internat. J. Math., 24 (3) (2023), 2350013, 19 pp.

Suyoung Choi, Mathieu Vallée An algorithmic strategy for finding characteristic maps over wedged simplicial complexes (with Mathieu Vallée) Pacific J. Math., 320 (2022), no. 1, 13–43.

Suyoung Choi, Mathieu Vallée Cohomological rigidity of the connected sum of three real projective spaces (with Mathieu Vallée) Proc. Steklov Inst. Math., 317 (2022), 178–188.

Li Cai, Suyoung Choi Integral cohomology groups of real toric manifolds and small covers (with Li Cai) Mosc. Math. J., 21 (3), 467–492.

Li Cai, Suyoung Choi, Hanchul Park On the KO-groups of toric manifolds (with Li Cai, Hanchul Park) Algebr. Geom. Topol., 20 (2020) 2589–2607

Suyoung Choi, Hanchul Park Multiplicative structure of the cohomology ring of real toric spaces (with Hanchul Park) Homology Homotopy Appl., 22 (2020), no. 1, 139–157.

Suyoung Choi, Shizuo Kaji, Hanchul Park The cohomology groups of real toric varieties associated to Weyl chambers of type C and D (with Shizuo Kaji, Hanchul Park) Proc. Edinb. Math. Soc., 62 (2019), 861–874.

Soojin Cho, Suyoung Choi, Shizuo Kaji Geometric representations of finite groups on real toric spaces (with Soojin Cho, Shizuo Kaji) J. Korean Math. Soc., 56 (2019), no. 5, 1265–1283. (This paper was selected as the best Korean mathematical paper by KOFST in 2019.)

Suyoung Choi, Hanchul Park Small covers over wedges of polygons (with Hanchul Park) J. Math. Soc. Japan, 71 (2019), no. 3, 739–764.

Suyoung Choi, Kyoungsuk Park Example of C-rigid polytopes which are not B-rigid (with Kyoungsuk Park) Math. Slovaca, 69 (2019), no. 2, 437–448.

Suyoung Choi, Seonjeong Park Strong cohomological rigidity of toric varieties (with Seonjeong Park) Proc. Roy. Soc. Edinburgh Sect. A., 147 (2017), no. 5, 971–992.

Suyoung Choi, Boram Park, Hanchul Park The Betti numbers of real toric varieties associated to Weyl chambers of type B (with Boram Park, Hanchul Park) Chinese Ann. Math. Ser. B., 38 (2017), no. 6, 1213–1222.

Suyoung Choi, Hanchul Park Wedge operations and torus symmetries II (with Hanchul Park) Canad. J. Math., 69 (2017), no. 4, 767–789.

Suyoung Choi, Hanchul Park On the cohomology and their torsion of real toric objects (with Hanchul Park) Forum Math., 29 (2017), no. 3, 543–553.

Suyoung Choi, Hanchul Park Wedge operations and a new family of projective toric manifolds (with Hanchul Park) Israel J. Math., 219(1) (2017), 353–377.

Suyoung Choi, Boram Park, Seonjeong Park Pseudograph and its associated real toric manifold (with Boram Park, Seonjeong Park) J. Math. Soc. Japan, 69(2) (2017), 693–714.

Suyoung Choi, Mikiya Masuda, Sang-il Oum Classification of real Bott manifolds and acyclic digraphs (with Mikiya Masuda, Sang-il Oum) Trans. Amer. Math. Soc., 369 (2017), 2987–3011.

Suyoung Choi, Shizuo Kaji, Stephen Theriault Homotopy decomposition of a suspended real toric space (with Shizuo Kaji, Stephen Theriault) Bol. Soc. Mat. Mex., (3), 23 (2017), no. 1, 153–161. (the memorial volume for Professor Gitler)

Suyoung Choi, Seonjeong Park Projective bundles over smooth compact toric surfaces (with Seonjeong Park) Internat. J. Math., 27 (4) (2016), 1650032, 30 pp.

Suyoung Choi, Hanchul Park Wedge operations and torus symmetries (with Hanchul Park) Tohoku Math. J., (2), 68(1) (2016), 91–138.

Suyoung Choi Classification of Bott manifolds up to dimension 8 Proc. Edinb. Math. Soc., (2), 58(3) (2015), 653–659.

Suyoung Choi, Mikiya Masuda, Satoshi Murai Invariance of Pontrjagin classes for Bott manifolds (with Mikiya Masuda, Satoshi Murai) Algebr. Geom. Topol., 15(2) (2015), 965–986.

Suyoung Choi, Hanchul Park A new graph invariant arises in toric topology (with Hanchul Park) J. Math. Soc. Japan, 67(2) (2015), 699–720.

Suyoung Choi Different moment-angle manifolds arising from two polytopes having the same bigraded Betti numbers Algebr. Geom. Topol., 13(6) (2013), 3639–3649.

Suyoung Choi, Mikiya Masuda Classification of Q-trivial Bott manifolds (with Mikiya Masuda) J. Symplectic Geom., 10(3) (2012), 447–462.

Suyoung Choi, Dong Youp Suh Strong cohomological rigidity of a product of projective spaces (with Dong Youp Suh) Bull. Korean Math. Soc., 49(4) (2012), 761–765.

Suyoung Choi, Seonjeong Park, Dong Youp Suh Topological classification of quasitoric manifolds with second Betti number 2 (with Seonjeong Park, Dong Youp Suh) Pacific J. Math., 256(1) (2012), 19–49.

Suyoung Choi, Mikiya Masuda, Dong Youp Suh Rigidity problems in toric topology, a survey (with Mikiya Masuda, Dong Youp Suh) Proc. Steklov Inst. Math., 275 (2011), 177–190.

Suyoung Choi, Shintaro Kuroki Topological classification of torus manifolds which have codimension one extended actions (with Shintaro Kuroki) Algebr. Geom. Topol., 11(5) (2011), 2655–2679.

Suyoung Choi, Jang Soo Kim Combinatorial rigidity of 3-dimensional simplicial polytopes (with Jang Soo Kim) Int. Math. Res. Not. IMRN., 2011(8), (2011), 1935–1951.

Suyoung Choi, Dong Youp Suh Properties of Bott manifolds and cohomological rigidity (with Dong Youp Suh) Algebr. Geom. Topol., 11(2), (2011), 1053–1076.

Suyoung Choi, Taras E. Panov, Dong Youp Suh Toric cohomological rigidity of simple polytopes (with Taras E. Panov, Dong Youp Suh) J. London Math. Soc., 82(2), (2010), 343–360.

Suyoung Choi The number of orientable small covers over cubes Proc. Japan Acad., 86, Ser. A. (2010), no.6, 97–100.

Suyoung Choi, Jang Soo Kim A combinatorial proof of a formula for Betti numbers of a stacked polytope (with Jang Soo Kim) Electron. J. Combin., 17(1) (2010), #R9.

Suyoung Choi, Mikiya Masuda, Dong Youp Suh Topological classification of generalized Bott towers (with Mikiya Masuda, Dong Youp Suh) Trans. Amer. Math. Soc., 362 (2010), 1097–1112.

Suyoung Choi, Mikiya Masuda, Dong Youp Suh Quasitoric manifolds over a product of simplices (with Mikiya Masuda, Dong Youp Suh) Osaka J. Math., 47 (2010), 109–129.

Suyoung Choi The number of small covers over cubes Algebr. Geom. Topol., 8(4) (2008), 2391–2399.

Meiyan Kang, Shizuo Kaji, Sang-Yun Lee, Taegeon Kim, Hee-Hwan Ryu, Suyoung Choi Shape-Aware Topological Representation for Pipeline Hyperbola Detection in GPR Data (with Meiyan Kang, Shizuo Kaji, Sang-Yun Lee, Taegeon Kim, Hee-Hwan Ryu) IEEE Sens. J., 26(3) (2026), 4313–4325.

Hee-Hwan Ryu, Suyoung Choi, Eun-Soo Hong, Shin Kyu Choi Prediction of steel tower foundation specifications using non-destructive testing method (with Hee-Hwan Ryu, Eun-Soo Hong, Shin Kyu Choi) Geomech. Eng., 41(2), (2025), 287–295.

Hee-Hwan Ryu, Suyoung Choi, Song-Hun Chong, Tae-Young Kim, Jiyun Lee, Meiyan Kang Machine learning-based prediction of underground utility counts using electrical resistance numerical data (with Hee-Hwan Ryu, Song-Hun Chong, Tae-Young Kim, Jiyun Lee, Meiyan Kang) Geomech. Eng., 41(1), (2025), 11–19.

Tae-Young Kim, Hee-Hwan Ryu, Meiyan Kang, Suyoung Choi, Song-Hun Chong Effect of geometry of underground structure and electrode on electrical resistance measurement: A numerical study (with Tae-Young Kim, Hee-Hwan Ryu, Meiyan Kang, Song-Hun Chong) Geomech. Eng., 39(1), (2024), pp. 105–113.

Jiyun Lee, Kyuwon Kim, Meiyan Kang, Eun-Soo Hong, Suyoung Choi Void detection for Tunnel Lining Backfill using Impact-Echo Method based on Continuous Wavelet Transform and Convolutional Neural Network (with Jiyun Lee, Kyuwon Kim, Meiyan Kang, Eun-Soo Hong) Geomech. Eng., 36(1), (2024), pp. 1–8.

Ho Kyoung Ko, Suyoung Choi, Shizuo Kaji Who Has Given up on Mathematics? A data analysis (with Ho Kyoung Ko, Shizuo Kaji) Asia Pac. Educ. Rev., (2021) 22:699–714.

Suyoung Choi, Ahyun Goo, Ho Kyoung Ko The Case of Polymath Activities Using Collective Intelligence (with Ahyun Goo, Ho Kyoung Ko) East Asian Math. J., 37 (2021), No. 4, 523–541.

Ho Kyoung Ko, Hyung Won Kim, Shizuo Kaji, Suyoung Choi Elementary school students who give up on learning mathematics: Correlations with non-cognitive learner characteristics (with Ho Kyoung Ko, Hyung Won Kim, Shizuo Kaji) J. Korea Soc. Math. Ed. Ser. C, 20 (2017), No. 2, 143–151.

Hee-Hwan Ryu, Suyoung Choi, Song-Hun Chong, Tae-Young Kim, Jiyun Lee, Meiyan Kang Machine learning-based classification of underground utility counts using electrical resistance numerical module (with Hee-Hwan Ryu, Song-Hun Chong, Tae-Young Kim, Jiyun Lee, Meiyan Kang) The 2024 World Congress on Advances in Civil, Environmental, and Materials Research (ACEM24), .

Suyoung Choi, Hyeontae Jang, Mathieu Vallée GPU Algorithm for Enumerating PL Spheres of Picard Number 4: Application to Toric Topology (with Hyeontae Jang, Mathieu Vallée) 40th International Symposium on Computational Geometry (SoCG 2024), Leibniz International Proceedings in Informatics (LIPIcs), 293, pp. 41:1–15.

Suyoung Choi, Younghan Yoon A decomposition of graph a-numbers (with Younghan Yoon) arXiv:2508.06855, submitted.

Suyoung Choi, Hyeontae Jang, Mathieu Vallée Complete non-singular toric varieties with Picard number 4 (with Hyeontae Jang, Mathieu Vallée) arXiv:2504.18134, submitted.

Suyoung Choi, Younghan Yoon, Seonghyeon Yu Full subcomplexes of Bier spheres (with Younghan Yoon, Seonghyeon Yu) arXiv:2503.05385, submitted.

Suyoung Choi, Younghan Yoon The cohomology rings of real permutohedral varieties (with Younghan Yoon) arXiv:2308.12693, submitted.

Meiyan Kang, Tae-Young Kim, Song-Hun Chong, Hee-Hwan Ryu, Suyoung Choi Deep Learning Based Prediction of Underground Utility Locations Using Simulated Electrical Resistivity Survey Data and Novel Feature Engineering (with Meiyan Kang, Tae-Young Kim, Song-Hun Chong, Hee-Hwan Ryu) submitted.

Suyoung Choi On Petrie's theorem for torus manifolds RIMS Kokyuroku, 1732 (2011), 95–100.

Suyoung Choi Counting on real Bott manifolds RIMS Kokyuroku, 1690 (2009), 69–71.

Suyoung Choi Small covers over cubes Trend in Math., 10 (2008), no. 1, 81–83.

2022 개정 교육과정 교과서 고등학교 공통수학1, 공통수학2, 기본수학1, 기본수학2, 대수, 확률과 통계, 미적분 I, 미적분 II, 기하, 직무수학, 인공지능 수학, 수학과 문화 (Government-authorized high school textbooks), Donga, 2024.

2022 개정 교육과정 교과서 중학교 수학1, 수학2, 수학3 (Government-authorized middle school textbooks), Donga, 2024.

미래사회를 선도할 꿈나무들을 위한 과학 CML, ISBN 9791125103820, Kyowoo, 2023.

오일러의 보석 (Translation of Euler's Gem written by David Richeson), ISBN 9791125102595, Kyowoo, 2018. (Recognized as a Sejong Book in 2019)

드론, 수학으로 날다!, ISBN 9791125101994, Kyowoo, 2017.

2015 개정 교육과정 교과서 수학1, 수학2, 수학3 (Government-authorized middle school textbooks), Kyohak, 2017.

2009 개정 교육과정 교과서 수학1, 수학2, 수학3 (Government-authorized middle school textbooks), Kyohak, 2013.

위상 데이터 분석(TDA) 기법을 이용한 차량의 추돌 가능성 예측 방법 및 장치 (Crash probability prediction method and apparatus for vehicle using TDA technique), Korea Patent 10-2020-0025618, filed on Feb 28, 2020; patent pending.