Papers and preprints
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Published/Accepted Papers
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On log surfaces.
O. Fujino, H. Tanaka,
Proc. Japan Acad. Ser. A Math. Sci. 88 (2012), no. 8, 109-114.
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Minimal models and abundance for positive characteristic log surfaces.
H. Tanaka,
Nagoya Math. J. 216 (2014), 1-70.
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On rational connectedness of globally F-regular threefolds.
Y. Gongyo, Z. Li, Z. Patakfalvi, K. Schwede, H. Tanaka, R. Zong
Adv. Math. 280 (2015), 47-78.
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The trace map of Frobenius and extending sections for threefolds.
H. Tanaka,
Michigan Math. J. 64 (2015), no. 2, 227-261.
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The X-method for klt surfaces in positive characteristic.
H. Tanaka,
J. Algebraic Geom. 24 (2015), no. 4, 605-628.
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On base point freeness in positive characteristic.
P. Cascini, H. Tanaka, C. Xu,
Ann. Sci. Éc. Norm. Supér. (4) 48 (2015), no. 5, 1239-1272.
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Abundance theorem for semi log canonical surfaces in positive characteristic.
H. Tanaka,
Osaka J. Math. 53 (2016), no. 2, 535-566.
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A characterization of ordinary abelian varieties by the Frobenius push-forward of the structure sheaf.
A. Sannai, H. Tanaka,
Math. Ann. 366 (2016), no. 3-4, 1067-1087.
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On log del Pezzo surfaces in large characteristic.
P. Cascini, H. Tanaka, J. Witaszek,
Compos. Math. 153 (2017), no. 4, 820-850.
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Semiample perturbations for log canonical varieties over an F-finite field containing an infinite perfect field.
H. Tanaka,
Internat. J. Math. 28 (2017), no. 5, 1750030, 13 pp.
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Smooth rational surfaces violating Kawamata-Viehweg vanishing.
P. Cascini, H. Tanaka,
Eur. J. Math. 4 (2018), no. 1, 162-176.
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Minimal model program for excellent surfaces.
H. Tanaka,
Ann. Inst. Fourier (Grenoble) 68 (2018), no. 1, 345-376.
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Klt del Pezzo surfaces which are not globally F-split.
P. Cascini, H. Tanaka, J. Witaszek,
Int. Math. Res. Not. IMRN 2018, no. 7, 2135-2155.
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Zariskian adic spaces.
H. Tanaka,
Kodai Math. J. 41 (2018), no. 3, 652-695.
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Behavior of canonical divisors under purely inseparable base changes.
H. Tanaka,
J. Reine Angew. Math. 744 (2018), 237-264.
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Infinite dimensional excellent rings.
H. Tanaka,
Comm. Algebra 47 (2019), no. 2, 482-489.
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Purely log terminal threefolds with non-normal centres in characteristic two.
P. Cascini, H. Tanaka,
Amer. J. Math. 141 (2019), no. 4, 941-979.
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Infinitely generated symbolic Rees algebras over finite fields.
A. Sannai, H. Tanaka,
Algebra Number Theory 13 (2019), no. 8, 1879-1891.
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Rational points on log Fano threefolds over a finite field.
Y. Gongyo, Y. Nakamura, H. Tanaka,
J. Eur. Math. Soc. (JEMS) 21 (2019), no. 12, 3759-3795.
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A Witt Nadel vanishing theorem for threefolds.
Y. Nakamura, H. Tanaka,
Compos. Math. 156 (2020), no. 3, 435-475.
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Abundance theorem for surfaces over imperfect fields.
H. Tanaka,
Math. Z. 295 (2020), no. 1-2, 595-622.
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Relative semi-ampleness in positive characteristic.
P. Cascini, H. Tanaka,
Proc. Lond. Math. Soc. (3) 121 (2020), no. 3, 617-655.
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Pathologies on Mori fibre spaces in positive characteristic.
H. Tanaka,
Ann. Sc. Norm. Super. Pisa Cl. Sci. (5) 20 (2020), no. 3, 1113-1134.
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Minimal model program for log canonical threefolds in positive characteristic.
K. Hashizume, Y. Nakamura, H. Tanaka,
Math. Res. Lett. 27 (2020), no. 4, 1003-1054.
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Invariants of algebraic varieties over imperfect fields.
H. Tanaka,
Tohoku Math. J. (2) 73 (2021), no. 4, 471–538.
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On p-power freeness in positive characteristic.
H. Tanaka,
Math. Nachr. 294 (2021), no. 10, 1968–1976.
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Vanishing theorems of Kodaira type for Witt canonical sheaves.
H. Tanaka,
Selecta Math. (N.S.) 28 (2022), no. 1, Paper No. 12, 50 pp.
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On del Pezzo fibrations in positive characteristic.
F. Bernasconi, H. Tanaka,
J. Inst. Math. Jussieu 21 (2022), no. 1, 197–239.
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Bertini theorems admitting base changes.
H. Tanaka,
J. Algebra 644 (2024), 64–125.
Preprints
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Boundedness of regular del Pezzo surfaces over imperfect fields.
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Quasi-F-splittings in birational geometry (with T. Kawakami, T. Takamatsu, J. Witaszek, F. Yobuko, S. Yoshikawa).
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Quasi-F-splittings in birational geometry II (with T. Kawakami, T. Takamatsu, J. Witaszek, F. Yobuko, S. Yoshikawa).
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Kawamata-Viehweg vanishing for toric varieties.
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Fano threefolds in positive characteristic I.
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Fano threefolds in positive characteristic II.
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Fano threefolds in positive characteristic III (with Masaya Asai).
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Fano threefolds in positive characteristic IV.
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Discriminant divisors for conic bundles.
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Elliptic sigularities and threefold flops in positive characteristic.
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Global F-regularity for weak del Pezzo surfaces (with Tatsuro Kawakami).
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Smooth del Pezzo varieties are quasi-F-split (with Tatsuro Kawakami).
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Vanishing theorems for Fano threefolds in positive characteristic (with Tatsuro Kawakami).
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Quasi-F^e-splittings and quasi-F-regularity (with Jakub Witaszek, Fuetaro Yobuko).