Conjecture on infinitely many primes preserving the log canonical threshold

Let AA be the coefficient ring in the reduction-modulo-pp setup, let aA[x1,,xn]\frak{a}\subset A[x_1,\ldots,x_n] be an ideal, let cc be its log canonical threshold, and let cpc_p denote the corresponding FF-pure threshold after reduction modulo pp. Infinitely-many-primes conjecture. For every ideal a\frak{a} in A[x1,,xn]A[x_1,\ldots,x_n], there are infinitely many primes pp for which

cp=c.c_p=c.

The preceding results show convergence of cpc_p to cc as pp\to\infty, while this conjecture asks for equality for infinitely many individual primes. The source does not state a resolution.

Sources & referencesView supporting material

Primary source

Lawrence Ein and Mircea Mustata, “Invariants of singularities of pairs”, arXiv:math/0604601 (2006).

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