文摘
We study spectral properties of the self-affine measure an id="mmlsi116" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022123616303159&_mathId=si116.gif&_user=111111111&_pii=S0022123616303159&_rdoc=1&_issn=00221236&md5=c3b578b77d2661841fe0bebf5a29745f" title="Click to view the MathML source">μM,Dan>an class="mathContainer hidden">an class="mathCode">an>an>an> generated by an expanding integer matrix an id="mmlsi264" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022123616303159&_mathId=si264.gif&_user=111111111&_pii=S0022123616303159&_rdoc=1&_issn=00221236&md5=896df5673b3e68e825c1b43849429d32" title="Click to view the MathML source">M∈Mn(Z)an>an class="mathContainer hidden">an class="mathCode">an>an>an> and a consecutive collinear digit set an id="mmlsi131" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022123616303159&_mathId=si131.gif&_user=111111111&_pii=S0022123616303159&_rdoc=1&_issn=00221236&md5=dfa9cb06d4a31d6498b89f37c47fb1d3" title="Click to view the MathML source">D={0,1,…,q−1}van>an class="mathContainer hidden">an class="mathCode">an>an>an> where an id="mmlsi115" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022123616303159&_mathId=si115.gif&_user=111111111&_pii=S0022123616303159&_rdoc=1&_issn=00221236&md5=bfef620d8742554af638bd68a685a048" title="Click to view the MathML source">v∈Zn∖{0}an>an class="mathContainer hidden">an class="mathCode">an>an>an> and an id="mmlsi52" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022123616303159&_mathId=si52.gif&_user=111111111&_pii=S0022123616303159&_rdoc=1&_issn=00221236&md5=6cef4677b5a4a6cc407922e007352eff" title="Click to view the MathML source">q≥2an>an class="mathContainer hidden">an class="mathCode">an>an>an> is an integer. Some sufficient conditions for an id="mmlsi116" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022123616303159&_mathId=si116.gif&_user=111111111&_pii=S0022123616303159&_rdoc=1&_issn=00221236&md5=c3b578b77d2661841fe0bebf5a29745f" title="Click to view the MathML source">μM,Dan>an class="mathContainer hidden">an class="mathCode">an>an>an> to be a spectral measure or to have infinitely many orthogonal exponentials are given. Moreover, for some special cases, we can obtain a necessary and sufficient condition on the spectrality of an id="mmlsi116" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0022123616303159&_mathId=si116.gif&_user=111111111&_pii=S0022123616303159&_rdoc=1&_issn=00221236&md5=c3b578b77d2661841fe0bebf5a29745f" title="Click to view the MathML source">μM,Dan>an class="mathContainer hidden">an class="mathCode">an>an>an>. Our study generalizes the one dimensional results proved by Dai, et al. and .