<p>Let (<i>X, ω</i>) be an <i>n</i>-dimensional compact Hermitian manifold with <i>ω</i> a pluri-closed Hermitian metric, i.e., <i>dd</i><sup><i>c</i></sup><i>ω</i> = 0. Let <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11464_2024_145_Article_IEq1.gif" Format="GIF" Height="23" Rendition="HTML" Resolution="72" Type="Linedraw" Width="170" /> </InlineMediaObject> <EquationSource Format="TEX">\(\left\{\alpha \right\},\left\{\beta \right\} \in H_{BC}^{1,1}\left({X,\mathbb{R}} \right)\)</EquationSource> <EquationSource Format="MATHML"><math display="block"> <mrow> <mo>{</mo> <mi>α</mi> <mo>}</mo> </mrow> <mo>,</mo> <mrow> <mo>{</mo> <mi>β</mi> <mo>}</mo> </mrow> <mo>∈</mo> <msubsup> <mi>H</mi> <mrow> <mi>B</mi> <mi>C</mi> </mrow> <mrow> <mn>1</mn> <mo>,</mo> <mn>1</mn> </mrow> </msubsup> <mrow> <mo>(</mo> <mrow> <mi>X</mi> <mo>,</mo> <mrow> <mi mathvariant="double-struck">R</mi> </mrow> </mrow> <mo>)</mo> </mrow> </math></EquationSource> </InlineEquation> be two nef classes, such that <i>α</i><sup><i>n</i></sup> − <i>nα</i><sup><i>n</i>−1</sup> · <i>β</i> &gt; 0. In this short note, we prove that if there is a bounded quasi-plurisubharmonic potential <i>ρ</i>, such that <i>α</i> + <i>dd</i><sup><i>c</i></sup><i>ρ</i> ≥ 0 in the weak sense of currents, then the class {<i>α</i> − <i>β</i>} contains a Kähler current. This gives a partial solution of Demailly’s transcendental Morse inequalities conjecture.</p>

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A Note on Demailly’s Transcendental Morse Inequalities Conjecture

  • Yinji Li,
  • Zhiwei Wang,
  • Xiangyu Zhou

摘要

Let (X, ω) be an n-dimensional compact Hermitian manifold with ω a pluri-closed Hermitian metric, i.e., ddcω = 0. Let \(\left\{\alpha \right\},\left\{\beta \right\} \in H_{BC}^{1,1}\left({X,\mathbb{R}} \right)\) { α } , { β } H B C 1 , 1 ( X , R ) be two nef classes, such that αnn−1 · β > 0. In this short note, we prove that if there is a bounded quasi-plurisubharmonic potential ρ, such that α + ddcρ ≥ 0 in the weak sense of currents, then the class {αβ} contains a Kähler current. This gives a partial solution of Demailly’s transcendental Morse inequalities conjecture.