<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Mon Jul 27 19:19:32 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#SeriesOnly" roleURI="http://xbrl.sec.gov/oef/role/SeriesOnly"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
  <definitionLink xlink:role="http://xbrl.sec.gov/oef/role/SeriesOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:label="alsp_S000007407Member" xlink:href="alsp-20250430.xsd#alsp_S000007407Member"/>
<!-- [WMV7][I5xWNl6tn/5Atf+xoX+3NT6CLFbwC0tQhBc6XsVPxf5dQ+1QPkHPXmwNwgyDg/fdNhIurHiwDbL9mk8RSfM4EeSHz+j3kYAJDjjOF6aINVuoN0tswO6K8xVAFOtQSFGructj2FjYFCA0W3mbCrmQeDGNVLVGIp9BiiX810XmrGNXwU6GT8qoyiFp6/FKBkGJ+AVMdaLxvNiHmYPrrdffRKVNjvC4DzsHmIz52ASPDwIFS7sfaDPhqAg5ViOYPxWbUhXni0U8MsuzbWZBFZjnD+0E/jwEuz0BBmyzh1CSL/MWau72U3Bzld0JlLF2mEW5uokZTepLjWODwLA23pyQi4E9/1cUBIIphDn4/g==] CSR-->
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="alsp_S000007407Member" order="11" xbrldt:closed="true"/>
  </definitionLink>
</linkbase>
